How To Test A Kohler Stator

From the information provided this is not a Kohler generator as Kohler makes all their own AC alternators under 350KW, seems you may have just a Kohler engine (probably a CH25). If reading is OK, then probably you just have a failing battery. If your reading stays the same, the charging system has to be working. After the install of the new stator, I also used my Rube Goldberg contraption to check between the ground on the engine case and the individual stator windings. They should show the same AC voltage. Step 2 Push the flywheel holder over the flywheel fins on top of the flywheel. Other features: Kohler designed controller for guaranteed system integration and remote communication. If you are reading 40 to 60 volts the stator is good. QMOKO 15/20 Amp Stator Compatible with Kohler 237878-S 54 755 09S 234859 237329 237330 K482 K532 K582 K161 K181 K241 CH11-CH15 CH18-CH25 CV11-CV15 CV18-CV22 CH25S Lawn Mower Tractor $38. When you make the best marine products in the world, you want the best dealers behind them. The hardest part is removing the starter motor. Do you have any clue as to if the original stator can be repaired? As I said, it currently delivers 20VAC at full throttle. NOTICE: Although every effort is made to supply the correct information, we are not responsible for typographical errors / inaccuracies on this website. Set the correct resistance range on the multimeter and turn it on. × Discount Starter & Alternator 531 North Jefferson Street Milledgeville, GA 31061. If your Guaranteed Delivery item isn’t on time, you can (1) return the item, for a refund of the full price and return shipping costs; or (2) keep the item and get a refund of your shipping costs (if shipping was free, get a $5 eBay voucher). This stator is designed as a direct plug-in replacement and should be used as such. So I put a trickle charge on it over night. How to Test the Coil on a Kohler Command. com, but all post-order communication will be done through eBay. Thanx for the Kohler manual link. Trigger module 3. I'm getting pretty stupid in my old age 'cause I should've thought to look for the Kohler data on line. I have a kohler command ch20-- 20 hp horizontal shaft, and a magnet came loose and destroyed the stator and all of the rest of the magnets. I have a 25 hp kohler, how can I check the rectifier, and stator with ohm meter. To test the motor, first use an ohmmeter. There are a few more components to check in the system. Kohler Engines and Parts Store : Stators - Misc Engines & Parts Shipping Option Tecumseh Engine Parts Denso Spark Plugs Oregon Equipment Parts AYP / Electrolux Zama Carburetors & Parts Walbro Carburetors & Parts Kawasaki Engine Parts Kohler Engines / Parts Tillotson Carburetors & Parts Stens Equipment Parts Warner Electric PTO Clutches Ogura Electric PTO Clutches Oregon Chainsaw & Forestry MTD. Currency or Certified Cashiers Check. It's for this reason that the CDI should be the last thing that you check. I dunno the exact specs without looking but 28VAC is probably close for the minimum with the engine running at 3600. I now intend to build a hydraulic power unit with this engine. I have changed the stator and the voltage reg. including Scotts. Is it tested in a/c volts or ohms. Magnum M8 Engine pdf manual download. If you get this reading then your stator is in good condition. If the battery and AC output are OK, replace the regulator/rectifier by process of elimination. Parts and Service Questions and Answers: You would have to unplug the 2 stator wires off of the rectifier and hook your AC voltmeter, not DC voltmeter, to those 2 wires coming from the stator. I replaced the voltage regulator, to no use. The bike runs fine for the few hours of a race but not much longer. Disconnect Both AC stator leads from regulator-rectifier and test the AC voltage at the stator leads with engine running. 016 Check with your ignition key on, your test light should light up when touching the small post on the plus side of the ignition coil. Someone that has had issues with a Kohler in the past will tell you to get the B&S. Acceptable forms of payment are: U. An ignition system in a small engine produces and delivers the high-voltage spark that ignites the fuel-air mixture to cause the combustion. Kohler Aftermarket Stator Alternator fits Kohler CH640 CH680 CH730 CH740 CH742 CH750 CH752 Engine + Sold by *ninep*globalshop* an eBay Marketplace seller. How To Test a Voltage Regulator. Kohler 25 761 20-S Kohler 25 761 41-S Individual Components Available CS-PRO Regulator Test Harness Special Regulator Test Harness with Diode Design Technology Inc. Get the original Kohler OEM part 12 085 08-S - STATOR (W/BRAKE) that you need at the lowest price and fast shipping. I did check the DDVM as you suggested and doing that the stator checks out fine with the DDVM, but it still puts out nothing. This solution completely bypasses the stator by using a 12 volt battery to power the ignition system. Obtain the integrated list Kohler Co NSN parts. Kohler K341 Conversion - Starter/generator To Stator Model? - posted in Mechanical & Hydraulics Forum: I need to replace a shot 16hp kohler single k341 in my Ford LGT165. I use them on chainsaws to avoid buying the expensive replacement magneto coil with chip molded in. i'll do all i can to find you what you'd like to see. Kohler k301 not charging. I have a 27 hp kohler on a bad boy ztr that is not charging the battery. How to Test a Voltage Regulator on a Kohler Engine | Hunker. The main and exciter stator must have the opposite phase sequence to generate voltage. when i did stator wire to ground test the meter did not move. 365 day right part guaranteed return policy. To make a quick check of these windings, presume the. The stator on the Kohler engine works in conjunction with the rotor to create electrical energy that helps charge and power up the mower's battery. Read the display on the LED screen. The Kohler stator is under the flywheel and charges the battery. In mowers that run a 12-volt electrical system, for example, the stator must generate more than 12 volts to keep the mower running. I have another one on order, but I was wondering if there are any areas that I need to check out as the root cause, or if these just go bad on their own. Get more affordable prices products we now have. Reviewed Kohler and Deere factory service manuals. I purchased a new stator/coil assembly and have decided to move the coil back inside the flywheel since the new stator was only available as stator and coil together. I am going to take the rectifier to a shop with a Kohler rectifier reader. This is an OFF Car test. The points were not disturbed at all for this test and were used to trigger the spark, just like with the mag. The type of oil to be used in your Briggs & Stratton small engine varies by the piece of equipment and the conditions it’s being run in. Details about STATOR MAGNETO Coil KOHLER K181 K341 K241. Description. The hardest part is removing the starter motor. Check all connections for corrosion. Top Sellers. Stator Pickup Coils Flywheels-> Stators-> Regulator Rectifiers-> Rectifiers-> Who's Online: There currently are 37 guests online. Replacing Kohler stator that has gone bad. I've already replaced the bridge amplifier. com to help other shoppers, like you, with their purchasing decisions. Could be faulty regulator cutting out when warm, You will need to check voltage at the battery after running for. The two white wires coming from the stator are butt connected into one wire that goes to the voltage regulator mounted on the side of the flywheel cover and the other A/C wire goes to the ignition switch. The best products have the best dealers. To fi nd a local Kohler authorized dealer visit KohlerEngines. Bought new battery to be safe. Lawn Tractor Ignition Systems and How They Work. Set the correct resistance range on the multimeter and turn it on. At full RPM the regulator produces 38-41 volts AC but only 8-9 volts DC. There is a thing under the flywheel called a stator ( alternator ) a lot of times on Kohler the magnets inside the flywheel comes loose and sticks to the stator and then cannot charge the battery. 25, 3, 15, 25 and 30 amp charging systems. Let us Know what you need - We are Happy to Help. Magnum M8 Engine pdf manual download. Have a Power King with the Kohler K321 that isn't charging. The two AC leads go to your stator, and the B+ lead connects to your battery for charging. To test a starter, all you need to do is bypass the ignition circuitry. The best way to look at your tractor’s wiring is to break it down into its four basic circuits: the starting circuit, ignition circuit, charging circuit and accessory circuit. I suppose a bad voltage regulator would also cause charging, and/or running problems. A starter motor is designed to crank an engine over and allow the internal combustion process to begin. I replaced it, and still no spark. Kohler Expert Dealers are required to have one (1) certified technician (two would be preferred) on staff. However, a higher degree of technical skill is required and the job may be more complex than you anticipate. If all you have is a serial number call us at 888-652-3990 or email us [email protected] Check timing with an electronic timing light. This video walks you through the steps of how to test for a spark using a spark tester. If your reading stays the same, the charging system has to be working. The generator set accepts rated load in one step. Inspect the battery. find detailed description. How to Test a Voltage Regulator on a Kohler Engine | Hunker. This is a new aftermarket Regulator Rectifier for Kohler K Engines with a 15 amp charging system. If you do have 30 volts at the stator wires, you either have a bad regulator or a wiring problem between the regulator & battery. It has a Kohler Courage 21 HP single cylinder engine. i'll do all i can to find you what you'd like to see. Your Q&A may be posted to Jackssmallengines. Battery is not being charged. Phone: (909) 465-1950 Toll Free: (800) 345-5927. Click here for more details. I suspected my rectifier was fried after my stator shorted due to one of the bolts backing out, causing the stator to float a bit. Kohler Engine Stator Kit 15/20 Amp 237878 237878-S. A good stator will read over 28 volts. The magnets spin on the flywheel and charge with electricity to deliver voltage. How To Install The Coil Kit On A Kohler Command Engine (DSAI Ignition) with Taryl - Duration: 37:10. And do you want to buy this product on Online Store?. HAVING TROUBLE WITH YOUR KOHLER ENGINE? Often best way to identify and correct the cause of engine trouble is to think like a mechanic and use a systematic approach to problem solving. Contact your local Kohler generator set distributor for availability. Review (mpn: 10cc62 for sale) 10CC62 Stator Kohler Will ship to the lower 48 states only. Spec# 41618. nothing about how to bench test. How to Test Kohler Stators Step 1. It should be about. The test Wade B sent was helpful, although I couldn't figure out how to test the SAM. 257740 with a Kohler engine model number CV22S-67515. Details about STATOR MAGNETO Coil KOHLER K181 K341 K241. Your Q&A may be posted to Jackssmallengines. If your Guaranteed Delivery item isn’t on time, you can (1) return the item, for a refund of the full price and return shipping costs; or (2) keep the item and get a refund of your shipping costs (if shipping was free, get a $5 eBay voucher). Corporate Address: 13352 Elliot Avenue Chino, California 91710 U. I have a vertical Kohler Command 20 engine that I bought brand new many years ago for a project I never finished. If you are getting voltage here, the rectifier and stator are okay. com to help other shoppers, like you, with their purchasing decisions. Wholesale Marine stocks a huge inventory of replacement marine engine. Your Q&A may be posted to Jackssmallengines. Featured Brands. If the resistance is actually zero, there may be a short in the coil. 1208510 1208510-S. I'd go with the B&S personally. I think it is bad due to reverse feedback. If you don't have any voltage ( or very little like 2 volts) then you either have a bad stator or the magnets on your flywheel have come loose. Mower Stator Replacement – Kohler Command Lawn Mower Repair (Part #237878-S) - This video provides step-by-step instructions for replacing the stator for twin cylinder Kohler Command small engines, commonly found in riding lawn mowers, riding tractors, zero-turn radius mowers, and commercial walk-behind mowers produced by Kohler,. really has me stumped. The only way to determine the watts is to have a load on it (Volts X Amps = Watts). 99 Get it as soon as Tue, Aug 20. nothing about how to bench test. Generator set overloaded. The next test will check for a short between the windings and ground. If you have ~50 VAC across all 3 phases, connect stator to R/R and measure the DC voltage coming off the R/R. Morris Dual. QMOKO 15/20 Amp Stator Compatible with Kohler 237878-S 54 755 09S 234859 237329 237330 K482 K532 K582 K161 K181 K241 CH11-CH15 CH18-CH25 CV11-CV15 CV18-CV22 CH25S Lawn Mower Tractor $38. Other features: Kohler designed controller for guaranteed system integration and remote communication. Phone: (937) 927-5665 or (937) 927-5429WE ARE THE "GO TO" PLACE FOR POWER EQUIPMENT PARTS & REPAIRS! EXPERIENCE YOU CAN TRUST. Step 1: Clip one end of the spark tester (service part number 19368) to the ignition cable and the other grounded to the cylinder head as shown below. The AM102596 is a voltage regulator found on John Deere lawn tractors that have single-cylinder Kohler engines. How to Test a Voltage Regulator on a Kohler Engine | Hunker Hunker. All they talk about is a full-throttle on-engine test. A good stator will read over 28 volts. Buy at this store. Usually has a secondary 70 watt AC lighting circuit. When I tried to restart, it was dead. Questions & Answers for the Kohler 237878S Ask us about the Kohler 237878S 15/20 Amp Stator Kit. Correct me if im wrong here,but there should be at least 6 to 7 watts coming off the wires coming to the regulator combing them into 12. Shop now for OEM Kohler Parts In-stock and ready to ship. I would say something between the battery, regualtor, stator is cutting out when it gets hot. The best way to test for shorts to ground is with a 12 volt test light. Testing the Starting Circuit - To test the starting circuit on virtually any lawn, garden or larger tractor, first, make sure that the battery is fully charged and in good condition, and the cables have a good connection How to test a kohler stator. My main problem is the stator wiring , converting from 3 wires to 1. The following article submitted by Ken Chapin on Dec 26, 1999 GL 1000/1100/1200 Stator Testing Procedures. Alternator features: NEMA MG1, IEEE, and ANSI standards compliance for temperature rise and motor starting; Capable of sustained line-to-neutral short circuit current of up to 300% of the rated current for up to 2 seconds. com FREE DELIVERY possible on eligible purchases. I soldered wires to by pass the stator plug connector. If the light comes on, you'll know there's power going to the solenoid. The only thing that makes sense is a faulty stator, but it checks OK. When the regulator malfunctions, it can either drain the battery or cause an overcharging that can damage the battery or the wiring harness. Point of test is to put some kind of load on system. Usually has a secondary 70 watt AC lighting circuit. Parts and Service Questions and Answers: You would have to unplug the 2 stator wires off of the rectifier and hook your AC voltmeter, not DC voltmeter, to those 2 wires coming from the stator. Our Part Finder makes it easy to find the parts you need at MTD Parts. This solution completely bypasses the stator by using a 12 volt battery to power the ignition system. For this last test we will need a good, fully-charged battery. The check from one wire to the engine block. When I tried to restart, it was dead. 1-800-269-6215 for assistance. What others are saying How Small Engine Governors Work (any governor setup) In depth video on how governors work on small engines, a 12 horsepower Briggs and Stratton is shown as a example, but the principal is the same on any engine. If you have any resistance or continuity, the stator leads are shorting to ground. I am using a V-max stator as an example, check your bikes service manual for the correct way to check your stator!! Checking your stator is the first step. If you do have power there then next would be to check the AC voltage coming from the stator on the engine. New Voltage. If you still have no voltage with it plugged in take a resistance test across the leads and also test for continuity at each stator lead to ground. Questions & Answers for the Kohler 1208508S Ask us about the Kohler 1208508S Stator With Brake. If reading is OK, then probably you just have a failing battery. Kohler 25 761 40-S. Shop our huge inventory of Kohler Engines Parts. There is a flywheel with a ring of magnets on the inside that rotate around a multi-pole stator. 8 ohm on both AC connections with black on + and red on AC. 7 volts dc 3. Have a Kohler CH23 engine and had to replace the stator, which had a broken corroded wire, glued loose magnets back in, and replaced voltage regulator. When you make the best marine products in the world, you want the best dealers behind them. Check for loose connections or shorts in wiring harness. Acceptable forms of payment are: U. when i did stator wire to ground test the meter did not move. :whistle: Hello and welcome to RS, just wait until this pm and you will get your answer, not to hot on electronics, but in saying that , i have a 17 hp kohler and put new points, plugs, and dealer tried to talk me into converting it to solid state, said it was cheaper, the parts cost about 20 bucks and the coil and points cost a lot more than that. I checked all the safety switches I could get to, and they seem to work OK. Place the device containing the Kohler engine on a hard, Step 2. Based on that, I bought a new magneto coil (stator) and the problem is unchanged. Place a small load on the battery by turning the key to the ON position. You can check the status of orders on Sears. What I needed is on pages 45 and 46. Share on Facebook! Remove this product from my favorite's list. You will get confirmation emails from both Sears and eBay. Shop our huge inventory of Kohler Engines Parts. Horizontal crankshaft. Obtain the integrated list Kohler Co NSN parts. How to Test the Coil on a Kohler Command. Kohler Ignition Coils, Modules, Points & Condensers. Resistance is 0 ohms. Set the correct resistance range on the multimeter and turn it on. With the engine running and the multimeter set to check AC voltage, connect the probes to the stator sockets. GENUINE KOHLER PART 4714203-S CRANKSHAFT KIT Part four Of Gardening Methods A graft is a union between two vegetation, the roots and decrease stem of a single plant (which is acknowledged as the ‘stock’ or ‘root stock’) uniting with the shoot of a different plant (the scion), so that they improve together as 1. I never used for anything else, largely because it was vertical shaft. Testing Your Stator. Check timing with an electronic timing light. * The delivery date is not guaranteed until you have checked out using an instant payment method. Kohler stator coil FLYWHEEL MAGNETS FOR CHARGING STATOR A flywheel may have additional magnets mounted to its underside (see Photo 7) which rotate around a stator coil (see Photo 13) for the purpose of generating electric current. To inquire about a short block, or other parts, please use our Engine Inquiry Form. Be sure choke is off, and throttle is wide open during test. IH cub cadet 1250 with a Kohler k301 engine. 0 HP - Stub crankshaft, electric start, 15 amp stator, remote controls, with fuel pump, no muffler, Walker style air cleaner adaptor Generac Stator Ohm test?. Kohler K181 Flywheel for the 5-1/2" 15/20 Amp Charging Stator. I've already replaced the bridge amplifier. I did not mean this to be a definitive check, just merely a method to check continuity for folks with no test equipment. Find and buy replacement parts online. There is two wires coming off it. To test a starter, all you need to do is bypass the ignition circuitry. Would like to bench test the stator before I re-install in the finished engine. 6 gallons per flush gpf. Re-gluing in the flywheel magnets (if they're still in good condition and not broken, they do not sell just the magnets) in the certain steps that Taryl shows you will fix the problem of the charging system not working or charging the battery. I have another one on order, but I was wondering if there are any areas that I need to check out as the root cause, or if these just go bad on their own. Please call us at 800-630-1230 to check factory stock. This is what my 712S has. Check from each stator pin to ground. Also for: Magnum m10, Magnum m16, Magnum m12, Magnum m14. Genuine Kohler 15/20 amp Stator, 237878-S, No Tax, 1 to 3 Day Delivery Replaces Old Kohler Part # A-237329, 234859, 237329, 237330, 237331, 237399, 237716, 2408501-S, 2408503-S, 4108505-S, 4108507-S, 4708501-S, 4708502-S, 4708511-S, 5475509-S, 5275509-S Replaces Stens 055-489 For installation instructions testing see Free Kohler Engine Service Manuals. Read the display on the LED screen. 8 ohm on both AC connections with black on + and red on AC. The Ammeter was showing a drain on the battery while running. GENUINE KOHLER PART 4714202-S CRANKSHAFT KIT. There is a thing under the flywheel called a stator ( alternator ) a lot of times on Kohler the magnets inside the flywheel comes loose and sticks to the stator and then cannot charge the battery. You can test them, set multimeter to AC 200 volts, and measure the 3 wires that come from the generator in between them. Do not use a soap solution containing either ammonia or chlorine because both preventbubbleformation. how to test a ,2575503s kohler 15a regulator rectifier what is the resistance between the regulator 3 lugs of the - kohler 18hp command series engine question Search Fixya Press enter to search. I've installed the new coil and can't get a spark at the plug wire. If reading is NOT OK, then you probably have a charging system problem. If it doesn't, check your battery! When you know you have power, check that it’s being transferred properly by switching the red lead to the solenoid’s lower terminal. If you still have no voltage with it plugged in take a resistance test across the leads and also test for continuity at each stator lead to ground. A stator goes bad when the varnish breaks down and lets two wires touch. I have a 12 hp kohler k301aqs i have all the wires hooked up and i can get the starter to turn kohler k301 wont spark/start - MyTractorForum. Set your meter to Ohms function,. All of the Bad Boy Lawn Mowers parts have been sorted according to the category each part is associated with. After the install of the new stator, I also used my Rube Goldberg contraption to check between the ground on the engine case and the individual stator windings. we provide an enormous selection that you simply can love. Will work on your Kohler K, Magnum, Command, and other engines with a 15 amp stator charging system. With engine stopped, measure resistance of stator from lighting lead to ground using an ohmmeter. Im not getting 26-28 ac volts with mower running and unplugged from recitifier. This system can be on engines built in the 50's and 60's. Fast-Response(TM) II brushless alternator with brushless exciter for excellent load response. A one-year limited warranty covers all systems and components. Thru the Battery. I replaced the voltage regulator, to no use. 271051 Craftsman lawn tractor (around 1999 I think) w/15. Please no repair questions. com has the parts diagrams for the. A black permanent marker was used to mark the replacement stator's wires where rubbing would most likely occur. " small engine designed system which Tecumseh, Briggs, Kohler, Wisconsin all followed and standardized over the years (AC stator ouput in the 20-40V range). Find many great new & used options and get the best deals for STATOR MAGNETO Coil KOHLER K181 K341 K241 at the best online prices at eBay! Free shipping for many products!. If reading is NOT OK, then you probably have a charging system problem. The test Wade B sent was helpful, although I couldn't figure out how to test the SAM. The Kohler 25 HP engine uses a flywheel magnet system to generate electricity. Easy Ordering, Fast Shipping and Great Service!. Cannot find any info on the voltage regulator which leads me to believe it may be integrated into the main. Replace any burned or corroded connectors on stator and regulator/rectifier Check and repair any melted wiring. The B+ of the regulator gives me nada. It is solid state electronics, so it does not incorporate the starter as a generator in the electrical system. Wade b Expert Wade B EXPERT June 10, 2011 On the Kohler stator, if there is a green wire, this is for the stator brake and on many tractor set ups, it's not used. The Kohler manual states there is a s & a t mark on flywheel,but can't find any on this one. After the stator was replaced, the spark was fine, but the headlights / rear running light / panel lights were dead (actually, they would be extremely dim for a minute or so, and then be out. 257740 with a Kohler engine model number CV22S-67515. Check the output, which should always be at least 30 volts. If it doesn't, check your battery! When you know you have power, check that it’s being transferred properly by switching the red lead to the solenoid’s lower terminal. Kohler Aftermarket Stator Alternator fits Kohler CH640 CH680 CH730 CH740 CH742 CH750 CH752 Engine + Sold by *ninep*globalshop* an eBay Marketplace seller. Welcome to Regulatorrectifier. Reviewed Kohler and Deere factory service manuals. Find many great new & used options and get the best deals for Kohler 237878-S Stator at the best online prices at eBay! Free shipping for many products!. A one-year limited warranty covers all systems and components. Until the battery discharges enough so the ignition can't fire. If you have ~50 VAC across all 3 phases, connect stator to R/R and measure the DC voltage coming off the R/R. Make sure to check the rest of the wiring. provides one-source responsibility for the generating system and accessories. REWIND EXCHANGE FILL OUT INFO FORM OR E-MAIL US TO RECEIVE A DISCOUNTED QUOTE. Kohler k321 stator/alternator question on voltage - posted in Wheel Horse, Toro Tractor Forum: There are 3 leads coming home the stator. Height is top of air cleaner cover to mounting surface. com to help other shoppers, like you, with their purchasing decisions. The only piece I have not replaced is the magnet that is attached to the inside of the flywheel to energize. 99 Dixie Chopper Mower Blade- Deck 54" High Lift. Place the device containing the Kohler engine on a hard, Step 2. My stator wires get hot. There is a flywheel with a ring of magnets on the inside that rotate around a multi-pole stator. GENUINE KOHLER PART 4108506-S STATORProduct Price: Check Product PricesProduct Detail: Click to Check DetailsGENUINE KOHLER PART 4108506-S STATORGENUINE KOHLER PART 4108506-S STATOR. If connections look good find the voltage rectifier/regulator on the side of the engine, there will be three wires coming out of ittwo that go behind the flywheel to the stator and one that goes to your amp meter. Ignition winding on alternator stator 2. I have it test connected with no kill wire attached, only to the points, new condenser. Spec# 41618. WhenreplacinganolderBriggs&StrattonengineonapieceofequipmentwithanewerBriggs&Stratton engine, sometimes the newer engine has an alternator system different from the alternator system on the original engine. An ignition system in a small engine produces and delivers the high-voltage spark that ignites the fuel-air mixture to cause the combustion. Place a small load on the battery by turning the key to the ON position. A stator test can be performed. This removes the weight on the crank allowing faster revs. Need other parts to complete your project? Check out our huge catalog - we have what you need. Kohler STATOR KIT. Check the oil level and add oil if necessary. A weak reading could indicate a magnet that has lost some of its strength. including Scotts. Stator Pickup Coils Flywheels-> Stators-> Regulator Rectifiers-> Rectifiers-> Who's Online: There currently are 37 guests online. With that set up the engine runs perfectly. Have tried 3 - Answered by a verified Technician. Magnum M8 Engine pdf manual download. A stator goes bad when the varnish breaks down and lets two wires touch. How to Test a Voltage Regulator on a Kohler Engine Step 1. Find Kohler Small Engine Alternator & Battery Parts at RepairClinic. It appears that on my Kohler, that the voltage at 3000 RPM should be >12. When the regulator malfunctions, it can either drain the battery or cause an overcharging that can damage the battery or the wiring harness.