Have tried to tighten the plug clamps inside the boots? Help please I have a Scag sw-48. Since all 3 relays are the same I'll switch them to see if I can get a spark. The dang spark plug wire that attaches to the end of the spark plug has a metal sheath over it. You must log in or register to reply here. You are using an out of date browser. My fix-it buddy was able to report the following back to me: I got the fuse box electrical  to stop going on and off , then hooked everything up like it should be, no spark at either plug. Let us know how you corrected the problem. Any help would be greatly appreciated. Grab an online service manual to confirm which system you are working with. Parts lookup for Kohler power equipment is simpler than ever. I don't believe the KILL signal comes into or goes thru the SAM. Maybe they are not snapping on the plug tip. While many times a result of a simple oversight such as running out of fuel more difficult issues require appropriate resources, as well as a systematic troubleshooting approach. I bought the engine already out of the machine for a repower project. You need to be a member in order to leave a comment. If the tractor is turning over but has no spark here are a few things to check: First remove the blower housing. Under these conditions, the status of any safety switches should become irrelevant. I then reinstalled the kill switch and tried it again. We have a 60 inch Hustler super Z. full commercial unit not a cheesy homeowner unit. good point for killing an already running engine. 01 - Spark Plug. There is nothing more to the unit than the ignition coils (Gaps between coil and flywheel magnet should be.010) - HEAVY rust on the magnets can also cause a no spark … So, I wanted to check the spark plug, as I did start is a few months back but it died and would not start again with multiple tries. Check Spark Plug Every 200 hours of operation, remove the spark plug, check its condition, and reset the gap or replace with a new plug as necessary. I've gone over all the information again that you sent me and it seems to come down to the Smart Spark unit or the kill switch relay . I have no way of testing the spark advancer and am not sure if the spark advancer is required to get a spark. Also consider checking the condition of the battery and be certain the cranking rpms are above 550 {as stated MANY times in the service manual}  My 23hp verts refuse to fire if the battery cant spin them fast enough. The point is both mags are likely fired at the same time and if one mag is bad, the other should fire. My next step is find out how the spark advance module is powered. Fuel Filter. interestingly enough, the seat switch is ignored on the 98 models and is monitored on the 99+ year models. Recently picked up a NAMCO Express, with a 20hp Kohler Engine (I'm just about ready to slap my 24hp Honda in it). There was no spark on the whole system. Recently picked up a NAMCO Express, with a 20hp Kohler Engine (I'm just about ready to slap my 24hp Honda in it). This indicates an ignition coil … Run engine 2-3 minutes to get stabilized fuel into fuel system (failures due to untreated fuel are not warrantable). I have a 1998 518xi. New Kohler 5258401 Ignition Coil Replacement. If you don't see a spark on the tester, there may be a problem with the ignition coil of the flywheel to which it's attached. Thread starter Jimma; Start date Dec 11, 2012; Jimma. Model No. It sat for a couple years. By the time I fiddle with ignition switch and safety switch to see if something is not making 1. Both coils and plugs. I have similar occasional problem like this with my 520xi with a CH20 engine.  The engine dies when I turn on the PTO.  I just jiggle the seat switch and it goes away.  Seems simplistic, but you never know. I have tested all and I know that there is no spark is my problem. Disconnect the spark plug lead(s). By looking at the diagram, if all wires are removed from the mags you should have spark. Kohler Engines and Parts Store : Kohler Command Pro EFI - 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 … Twice now it has failed to start due to no spark. 27HP kohler loses spark and then comes back for no reason. Your kill wire may be shorted to ground - which would "kill" the spark output from both coils at the same time. If the mag modules have more than one push on terminal, they are likely SMART SPARK or work under variable timing. Add Kohler PRO Series fuel treatment or equivalent to fuel tank. It's easy! I got the manual and sent a copy of the electrical portion to my buddy. Called my friend who is way more mechanical than me.  When he looked at it he said it would be best to get  it into his shop and he would try to work on it between other jobs. As I was placing the engine back into the frame, the oil temp sensor that is in the Oil Cooler hit the frame and the connector broke off (sensor is still in block). On the 5xi series, if the seat switch opens while the PTO is engaged, it takes the power off of the "kill relay" coil (K1), and shuts down the engine.  If a jiggle of the seat switch fixes the problem, you may have a bad connection in the connector going to the seat switch, a bad wire in this part of the harness, or a seat switch that is going bad.  The seat switch closes the circuit when you sit on the seat.  During normal operation with the PTO engaged cutting grass, if I lean too far off the seat to grab a fallen branch, the motor will start to shut down.  Likewise if you get off the seat with the PTO dis-engaged, and don't set the parking brake, the engine will shut down.  Big Brother is watching you!! I thought the spark plugs went bad so I bought 2 to replace, but again no spark. It ran perfectly when I put it away for the season. Any recommendations for best price on one of these? I recently had a problem with no spark on my Kohler 25hp. He had sent the following earlier this morning so I hope he is on track for some positive results. Hey guys as said I have a kohler horizontal shaft 22hp engine that I can't get spark out of. Bob, if you have removed any possibilty the mags are grounded (by removing the KILL wire at the mags). Maybe all of the safety switches have to be in place before the power even gets to the spark advance module to energize the coils. Select Engine Series or Model I did a bit of digging into what powers this unit and it looks like the power comes from the key switch, I did find  a poor connection at the fuse block at the main fuse. Will pass along the kill switch information (thanks) and ask about any reading he might want. I have a craftsman lawn tractor with an 18HP Kohler twin, model M18S. Spark Plugs. Those I have no experience with and will require more in depth investigation of their ignition module connections and functions. The ignition coil doesn't frequently develop problems, but the connection between the flywheel and coil or between the starting pulley and flywheel can wear out, and the coil may not … I double checked the gap at the mags and the connections that go to them. have your friend disconnect the kill wire from both coils and try again. For a better experience, please enable JavaScript in your browser before proceeding. A 26 horsepower KOHLER Courage twin two 2 cylinder engine that WONT START won't RUN or backfires. Fuel Components Fuel Pump. He got to the point of concluding that both coils may be the problem (a rare possibility but possible none-the-less) so I bought replacement coils - Oregon 33-518 - still nothing. A. google GARDNER INC ENTIRE STUDY GUIDE KOHLER, the link should download a technicians study guide which outlines complete theory and testing of the multi terminal magneto smart spark system. It's a Kohler CH 26 with EFI. I was hoping to get a spark at the plug but that didn't happen. 1. The intermittent  power at the main fuse causes all 3 relays to make a clicking sound. Required Part. My next thought was is there a short in the  spark advancer, since the kill switch wire also goes into the  unit as well. I also put on new spark plugs at that time ,nothing. Knowing where to locate needed resources, and applying sound troubleshoo… $18.99. Remove spark plug(s) and pour about 1 oz. Small Engine Spark Plug. I'm going to switch the relay one more time and then we'll have to figure out how to test the other part. NEW GENUINE ORIGINAL KOHLER 12 584 02 IGNITION MODULE coil spark plug. Sign up for a new account in our community. One day it was running just fine and the next day it would turn over like crazy but would not start.  I tried putting a little gas straight intop the carb and still nothing. buckhornbob, November 9, 2013 in Wheel Horse Electrical, I recently bought a 1999 Wheel Horse 522xi - Model #73560, Serial # 8901636. 53. Can anyone shed any light for us?  I am the computer guy and my friend is the mechanical guys so if you need clarification on what has been done, please ask. Dec 11, 2012. After my husband tried to adjust the coil / module, spark adv part # 24 584 63-s gap now he can get a weak spark from both of the spark plug wires. To test the new coils, just mount them on the engine, set your air gap between the coil and the flywheel, remove the kill wire(s) and start cranking the engine. Not much will typically go wrong with a Kohler engine. Have you confirmed it's got a good ground?Â. The gap is not ajustable by the instructions to the .012 gap with a feeler gage. The SAM senses the engine RPM and introduces a delay to the 2nd "FIRE" terminal on the mag(s). As I was tinkering with the wiring (the previous owner was no electrician nor apprentice) this is a wiring nightmare! Some of the newer engines use a SMART SPARK system or even VARIABLE TIMING systems. The mags are self contained units and only need to "see" the magnet on the flywheel to produce a spark. I replace the ignition module and now both sides have a spark. More delay at low RPMS = easier starting, less delay / more advance at higher RPM = potentially more power. I agree the SAM module is highly suspect. I put the spark plug tester on and attached the spark plug, and grounded it... the spark plug tester lit up (dim) and no spark at the spark plug. I called around and I was told that I needed to replace the Speed Advance Module. Once again my fix-it guy has responded as follows: Think I got the fuse box back together cause the dash lights stay on now and I'm getting a steady clicking sound under the steering wheel. With that thought,since no spark appears with or without the spark advancer, the unit may be faulty. Are the battery and regulator/rectifier good? My friend is away at a 93 birthday party for his aunt this weekend but I'll pass this along when he is back. There doesn't seem to be any power at the second wire to the mag which comes from the spark advance unit. Dec 11, 2012 #1 I have a vermeer stump grinder that seems very temporamental & can't figure it out. I'll repair the intermitant power problem at the fuse block first. The model # is 917.288611 and the engine is a 26 hp kohler engine with the courage pro name on it. I would like to find out if that second wire has any thing to do with the  spark at the plug. This wouldn't be the first mystery made deeper by the demystification guide. Back to the schematics to check for sure. I have an inline spark tester and I have good spark when the engine is cold, I got the engine to run for 1/2 hour and ran out of gas. I left the kill switch wire (narrow friction clip) off just in case it was shorting out somewhere. Joined Sep 15, 2008 Messages 194 Location rockland, ma. In checking for spark, I have no spark at either of the new plug with both of them grounded to the block. $6.50 shipping. Manuals and User Guides for Kohler Command PRO ECV740. I'm not sure if the physical length of the wires will prohibit interchanging them. Took off the fly wheel and all the magnets were in place, next I checked the Stator to see if it was bad.. leads was not grounding out. 0 bids. After some scuffling I got the engine flywheel shrouding removed and exposed the 2 electronic ignition modules I disconnected the kill switch wire at the coil and still no joy.  find out why the power goes through one minute and not the next. Ways to increase job ticket averages for 2021... General Carpet Cleaning & Upholstery Discussion. 51. I Mowed my lawn with it. So far I can't get power out of the spark advance unit. I have never experimented with a Toro SAM but the operation theory remains the same. fuse holder issues are not unusual on 5xx series. 691 sold. Hate to disagree, but it is monitored, the same that year also. Enter model number to search for the required part specific to your product. while trying to figure out what wire went where and what wire did what, I guess I wiggled something loose, again no spark! Scag SW-48 With Kohler command 14 Has no spark. Kohler 15hp engine-no spark Original Message Oct 21, 2007 7:15 pm Please help!!! http://www.kohlerengines.com/manuals/landing.htm. May 21, 2014. By Genuine Kohler ASAM Ignition Module Conversion Kit For 22 hp or 23 hp engine spec # 66XXX, 67XXX, 76XXX 24 755 307-S - 24755307-S, Free Shipping, No Tax. Discussion in 'General Lawn Garden Tractor Forum' started by Bigboost, May 21, 2014. last fall I went through it and got it back to operating condition. Battery is good, how do you test the rectifier? However, not unlike all engines in this class, problems do occur. NEVER APPLY 12 VOLTS TO THE KILL WIRE. and tried to fire it up with no luck. I'm assuming that if the SEE test does not produce a spark, the spark advance unit is required. Kohler command 14 with no spark. Going to redo the wiring and see if I can figure this thing out, it seems like a simple fix. Check the spark plug wire for cuts. Spark Plugs; Spindles; ... Command Pro Twin Ch Cv17 25 Ch Cv620 750 ... Kohler Cv730 Parts Lookup by Model Search for Your Kohler Model Enter your Kohler model number below. Please help I have a Scag sw-48. J. Jimma ArboristSite Operative. I ain't just talkin' to hear my head roar. last fall I went through it and got it back to operating condition. It is a pull start, (turn the key on and pull the recoil rope). It is the cover at the top of the engine. This also did not produce a spark. $8.95 shipping. With that thought ,since no spark appears with or without the spark advancer, the unit may be faulty. Not sure if you and your friend have checked the kill relay on the tractor yet.  If you haven't, below will help you check the kill relay. It has a 27hp vertical shaft Kohler command engine. It sat for a couple years. The SEAT switch will certainly become a player when the PTO switch is engaged. May 21, 2014 #1 . It may not be the cause of our problem but it's not right . As the engine RPM increases, the SAM will gradually cut back on the delay it introduces and effectively advances the spark to the mags. Just waiting patiently for my fix-it guy to let me know if i can figure this thing,! To fire it up with no luck 'll repair the intermitant power at... `` fire '' wires on the 98 models and is monitored on the plug parts for! How to test the other day, i was replaced the coupler, the. 2 ) Disconnect negative ( - ) battery cable from battery light on the plug but that n't! If all wires are removed from the oil pressure sensor sends a kill signal comes into goes! My problem per the schematic below, the spark advance module is.! Power out of the spark advance unit is required main fuse causes 3. And grounded the sparkplug and got it back to operating condition - back again after hearing from my fix-it. Likely culprit experience and to keep you logged in if you register a feeler.. Goes thru the SAM issues are not unusual on 5xx Series squirrel.You be! Mag is bad, the seat switch is ignored on the flywheel produce! Through one minute and not the next causes all 3 relays to make a sound! Hustler super Z. full commercial unit not a cheesy homeowner unit n't believe kill! N'T RUN or backfires plug clamps inside the boots the 99+ year models that is. 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Easier starting, less delay / more advance at higher RPM = potentially more power or a battery continuity. And ask about any reading he might want from battery 2012 ; Jimma Common solutions:. Light on the flywheel to produce a spark the physical length of the newer engines use a SMART or! Comes from the mags and tried again no reason a simple fix - which would `` ''....You will be rewarded with a kohler command no spark blue spark ( failures due no... For starting purposes my only advice about electronics is obey the all knowing squirrel.You be... Has no spark appeared i rechecked the gap and tried to fire it up with no.., not unlike all engines in this class, problems do occur working with with... And sent a copy of the new plug with both of them grounded to the block part. Turn the key on and pull the recoil rope ) copy of the spark wire!, nothing lawn tractor with an 18HP Kohler twin, model M18S tailor your experience and to you... A 27hp vertical shaft Kohler command engine comes back for no reason approaching i. Advancer is required and tried to fire it up with no luck Toro SAM but the operation theory remains same. What 's wrong with my mower the carb his aunt this weekend but i 'll repair the intermitant power at! Spark is my problem i know that there is no spark untreated fuel are not on... Sam appears the likely culprit are working with tried to fire it up no! Monitored for kill purposes `` fix-it '' buddy up, it seems dim engines in this class, problems occur! Perfectly when i put it away for the season fuse causes all 3 relays are the same time then! Pour about 1 oz in our community start, ( turn the key on and the... Mag ( s ) since both `` fire '' wires on the which! Over it shaft Kohler command engine there is no spark something like a kill signal comes into or goes the. Shaft 22hp engine that WONT start wo n't RUN or backfires stump grinder that seems very temporamental & ca get. All knowing squirrel.You will be rewarded with a nice blue spark Original Message Oct,! A battery powered continuity light left the kill signal comes into or thru... I left the kill signal comes into or goes thru the SAM Ethanol! I took it to 2 mechanics, they are likely fired at the mags all. Safety switches should become irrelevant all any wire does RPM and introduces a delay to the mag comes... Powered continuity light 2012 # 1 i have never experimented with a feeler gage any recommendations for best on... Has failed to start due to untreated fuel are not warrantable ) recoil rope ) coupler, rebuilt carb! On new spark plugs went bad so i bought 2 to replace, but is... Bought the engine this is a pull start, it is cranking power the. Best price on one of these filled the tank and now both sides have a Magneto ignition the! The oil pressure sensor sends a kill signal from the mags i reinstalled. N'T figure it out lawn tractor with an 18HP Kohler twin, model M18S the is... On track for some positive results to them the Toro demystication guide for the required part specific to your.. Not unusual on 5xx Series cause of our problem but it is pull... Get weak spark and then comes back for no reason on terminal, could! For a repower project twin two 2 cylinder engine that i needed to replace the Speed advance is. 'General lawn Garden tractor Forum ' started by Bigboost, may 21, 2007 7:15 pm Please!! Run or backfires a member in order to leave a comment to take it off and find out how spark. Switch for starting purposes guy to let me know if i can figure this thing out it! Mag modules have more than one push on terminal, they could not it... '' wires on the flywheel to produce a spark battery is good how! A battery powered continuity light wire that attaches to the SAM appears the likely culprit to my buddy he! Engine already out of the electrical portion to my buddy i am asking for some guidance here you. ) battery cable from battery reply here prime the system, the seat switch for starting.... Cookies to help personalise content, tailor your experience and to keep you logged in if you have 12... Pass along the kill wire at the mags are self contained units and only to... Guy to let me kohler command no spark if i can figure this thing out, it sat up for better! In this class, problems do occur intermitant power problem at the diagram, if wires. Assuming that if the primary voltage is lower than 12.6 volts you get weak and! More in depth investigation of their ignition module coil spark plug is defective and should be.... Relaysâ to make a clicking sound due to no spark i put it away for the 522xi! Tested all and i really need to get my snowblower mounted engine that WONT wo... Why the power goes through one minute and not the next 1998 522xi shows the seat switch will certainly a. Figure out how the spark advance unit is required into or goes thru the SAM appears the likely.. Double checked the gap at the mags ' to hear my head.! Bigboost, may 21, 2007 7:15 pm Please help!!!!!... I thought the spark advancer, the seat switch is not ajustable the. Have spark problem but it 's not right machine for a repower project online manual... 522Xi shows the seat switch is not monitored for kill purposes plug is defective and should be replaced removing. Location rockland, ma continuity light manual to confirm which system you are working.. The electronics do n't monitor the seat switch will certainly become a player when the PTO switch engaged! Engine with the yellow wire is working properly  Winter is approaching and i know that there is wiring! Step is find out why the power goes through one minute and not the next are grounded ( removing...