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. Add Kohler PRO Series fuel treatment or equivalent to fuel tank. 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 … last fall I went through it and got it back to operating condition. since both "FIRE" wires on the mags are color coded BROWN, they are most likely interchangeable. Click the Search Button to See More Results. The intermittent  power at the main fuse causes all 3 relays to make a clicking sound. Kohler ch22 no spark help! Select Engine Series or Model Small Engine Spark Plug. 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. Parts lookup for Kohler power equipment is simpler than ever. This indicates an ignition coil … The SEAT switch will certainly become a player when the PTO switch is engaged. 691 sold. On the 5xi, in order for the starter to engage, the seat switch must be made, and the parking brake must be set so that it's interlock switch is made as well.  If neither of these are made, you will not get the starter to crank.  Just as a point of reference, the original post in this thread is a situation where the engine cranks, but no spark.  An open safety interlock switch prevents the starter from cranking, so I think we that the safety interlocks are all working on buckhornbob's tractor. Have tried to tighten the plug clamps inside the boots? Knowing where to locate needed resources, and applying sound troubleshoo… I was hoping to get a spark at the plug but that didn't happen. and tried to fire it up with no luck. 53. Ending Jan 17 at 9:03AM PST ... (141) 141 product ratings - GENUINE OEM KOHLER PART # 24 584 45-S IGNITION COIL; KOHLER COMMAND ENGINES. I have a 15 .5 hp kohler single cylinder, verticle engine model CV15S that does not have spark.----- The system seems to have only 2 parts the magnets that bolt onto the flywheel and the coil which goes dirrectly to the spark plug. I'm going to take it off and find out why the power goes through one minute and not the next. interestingly enough, the seat switch is ignored on the 98 models and is monitored on the 99+ year models. I checked to see if I had spark, used the spark plug tester and on one side there was spark and the other had none. NEW GENUINE ORIGINAL KOHLER 12 584 02 IGNITION MODULE coil spark plug. Unless........ something like a kill signal from the oil pressure sensor sends a kill signal to the SAM module. It is a pull start, (turn the key on and pull the recoil rope). 2. If the engine produces no spark, it is not voltage related - this engine will have a Magneto ignition. Joined Sep 15, 2008 Messages 194 Location rockland, ma. Checked for spark at the plugs - nothing. Kohler command 14 with no spark. 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. There doesn't seem to be any power at the second wire to the mag which comes from the spark advance unit. If there is no spark, this indicates that the spark plug is defective and should be replaced. 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. Interesting. New Kohler 5258401 Ignition Coil Replacement. Both coils and plugs. 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. 2 / Kohler Command PRO EFI. Your kill wire may be shorted to ground - which would "kill" the spark output from both coils at the same time. 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. Common solutions for: Kohler Small engine won’t start. My friend consulted with a friend of his who runs a small engine shop and who said these Kohler Command engines can be a real challenge but that my friend had done everything he would recommend to narrow in on the problem. It has a 27hp vertical shaft Kohler command engine. Tried another coil and condenser still nothing. I would test the rectifier and recheck the battery. $8.95 shipping. Twice now it has failed to start due to no spark. Disconnect the spark plug lead(s). So the other day, I was replaced the coupler, rebuilt the carb. When no spark appeared I rechecked the gap and tried again. Kohler is currently unable to provide direct replacement components for the ASAM (analog spark advance module) 24 584 05-S, 2458405S and 24 584 09-S, 2458409S and I double checked the gap at the mags and the connections that go to them. What's wrong with my mower ? Something is happening there but am not sure if the one with the yellow wire is working properly. This wouldn't be the first mystery made deeper by the demystification guide. Will pass along the kill switch information (thanks) and ask about any reading he might want. have your friend disconnect the kill wire from both coils and try again. If the mag modules have more than one push on terminal, they are likely SMART SPARK or work under variable timing. I'm going to switch the relay one more time and then we'll have to figure out how to test the other part. progress, but only for 5 minutes. Although the spark plug tester lights up, it seems dim. I Mowed my lawn with it. It is the cover at the top of the engine. Run engine 2-3 minutes to get stabilized fuel into fuel system (failures due to untreated fuel are not warrantable). Spark Plugs. My next step is find out how the spark advance module is powered. We have a 60 inch Hustler super Z. full commercial unit not a cheesy homeowner unit. For a better experience, please enable JavaScript in your browser before proceeding.  find out why the power goes through one minute and not the next. By the diagram ground the mags is all any wire does. We really appreciate any ideas, advice, suggestions or direction. I have a craftsman lawn tractor with an 18HP Kohler twin, model M18S. You must log in or register to reply here. He had sent the following earlier this morning so I hope he is on track for some positive results. I'm not sure if the physical length of the wires will prohibit interchanging them. The mags are self contained units and only need to "see" the magnet on the flywheel to produce a spark. 1. Those I have no experience with and will require more in depth investigation of their ignition module connections and functions. I disconnected the kill switch wire and still no spark. 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. Let us know how you corrected the problem. $54.99. It's a Kohler CH 26 with EFI. 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. It sat for a couple years. Considered best of breed by many in the small engine trade, Kohlers are among the most reliable and innovative engines on the market. The dang spark plug wire that attaches to the end of the spark plug has a metal sheath over it. I then pulled the spark plug out and grounded it to see if I can see the color of the spark, but no spark either side. Not much will typically go wrong with a Kohler engine. 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'm assuming that if the SEE test does not produce a spark, the spark advance unit is required. you have confirmed 12 volts available to the SAM module when it is cranking. Have you confirmed it's got a good ground?Â. Replace spark plug(s) and If troubles persist after checking the possible causes listed or you are unable to identify the problem, call KOHLER Engines Customer Service at 1-800-544-2444 or contact your local KOHLER dealer. It's easy! Filled the tank and now hot there is no spark… Pretty interesting how all of this stuff is interconnected.  And to think we only purchased it to cut the grass, we weren't going to the moon! High Pressure … I have the same problem with my Kohler. 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. When I installed the new coils I did the SEE test, which is spining the flywheel past the coils to see if a spark is produced. Per the schematic below, the PTO needs to be disengaged and the BRAKE safety switch ON. 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. However, not unlike all engines in this class, problems do occur. 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 … As I was tinkering with the wiring (the previous owner was no electrician nor apprentice) this is a wiring nightmare! I scanned the pages from my Kohler manual for the smart spark, see attached.  Sorry for the page orientation, the manual is a bound book and would only go one way into the scanner. This will fry both mag coils almost instantaneously. May 21, 2014. The rest of this post is assuming that your continuity tester is either a Multimeter, or a battery powered continuity light. I'll repair the intermitant power problem at the fuse block first. I wasn't sure if the spark advance module was required to energize the coils so I hooked up the wire from the  spark advance to the coils (wide friction clip ). 01 - Spark Plug. Sign up for a new account in our community. It may not be the cause of our problem but it's not right . There was no spark on the whole system. It may not be the cause of our problem but it's not right . JavaScript is disabled. Remove spark plug(s) and pour about 1 oz. 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. I also put on new spark plugs at that time ,nothing. The Kohler SH265 engine, 6.5hp, on my Countyline 25-ton splitter will not start, it sat up for months. I got the manual and sent a copy of the electrical portion to my buddy. 51. I'm thinking its the rectifier. Will let you know how I make out. Back to the schematics to check for sure. good point for killing an already running engine. Thanks for the schematics.  They are a little different from the ones my fix-it friend and I were looking at because the ignition coils have two wires PLUS the spark plug wire. The SAM senses the engine RPM and introduces a delay to the 2nd "FIRE" terminal on the mag(s). This also did not produce a spark. With that thought ,since no spark appears with or without the spark advancer, the unit may be faulty. It may not display this or other websites correctly. Regardless, Bob states he has a 99, and he has removed the KILL wires from the mags. I am pretty sure he said there was a "black box" with wires leading to the coils.  Could this be a Speed Advance Module?  If so, is there a way to check it as there is still no spark with the new coils installed. My next thought was is there a short in the  spark advancer, since the kill switch wire also goes into the  unit as well. 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. NEVER APPLY 12 VOLTS TO THE KILL WIRE. I recently had a problem with no spark on my Kohler 25hp. 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). I have tested all and I know that there is no spark is my problem. A 26 horsepower KOHLER Courage twin two 2 cylinder engine that WONT START won't RUN or backfires. Dec 11, 2012 #1 I have a vermeer stump grinder that seems very temporamental & can't figure it out. J. Jimma ArboristSite Operative. Fuel Components Fuel Pump. I ain't just talkin' to hear my head roar. 2) Disconnect negative (-) battery cable from battery. My friend is away at a 93 birthday party for his aunt this weekend but I'll pass this along when he is back. As the engine RPM increases, the SAM will gradually cut back on the delay it introduces and effectively advances the spark to 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. Any recommendations for best price on one of these? of engine oil into cylinder(s). 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. Discussion in 'General Lawn Garden Tractor Forum' started by Bigboost, May 21, 2014. EASY START • Starts like your car—just turn the key and go • No-choke starting whether it’s hot or cold or ... ‡L = blower housing to air cleaner cover W = spark plug to spark plug H = top of air cleaner cover to mounting surface ECV630 ECH650 ECV730. 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. Bigboost New Member. If neither fire, the SAM appears the likely culprit. Grab an online service manual to confirm which system you are working with. Finally I got a bright light on the spark plug tester and grounded the sparkplug and got a white spark!! Battery Charging System. It ran perfectly when I put it away for the season. 1. Any help would be greatly appreciated. (don't know about the 518xi ). I don't believe the KILL signal comes into or goes thru the SAM. I'm assuming that if the SEE test does not produce a spark, the spark advance unit is required. (only way to really check continuity!) Under these conditions, the status of any safety switches should become irrelevant. The gap is not ajustable by the instructions to the .012 gap with a feeler gage. I have come to the same conclusion as Save Old Iron, it is really looking like the SAM as long as the kill relay has been confirmed as ok.  If you have a Wheel Horse/Toro dealer in your area, I would give them a call and see if they can test the SAM.  The Kohler manual says that the SAM can be tested removed from the engine.  I have not been able to confirm if the oil pressure switch is tied into the SAM or not, but I would make sure that the crankcase has the correct oil level. I have a 1998 518xi. Fuel Filter. Bob, if you have removed any possibilty the mags are grounded (by removing the KILL wire at the mags). The point is both mags are likely fired at the same time and if one mag is bad, the other should fire. 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. I am hoping that someone with experience on these units might be able to point us in the right direction for testing the Spark Advance Module and/or figuring out if all the safety switches need to be in place or by-passed in order to make this work. Battery is good, how do you test the rectifier? It is a pull start, (turn the key on and pull the recoil rope). If the tractor is turning over but has no spark here are a few things to check: First remove the blower housing. I bought the engine already out of the machine for a repower project. Hate to disagree, but it is monitored, the same that year also. In the event starting problems should occur which are not corrected by replacing the spark plugs, see your Kohler Engine Service Dealer for trouble analysis. Check the spark plug wire for cuts. The mag(s) then fire if they are functional. fuse holder issues are not unusual on 5xx series. Hey guys as said I have a kohler horizontal shaft 22hp engine that I can't get spark out of. while trying to figure out what wire went where and what wire did what, I guess I wiggled something loose, again no spark! $18.99. 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. Enter model number to search for the required part specific to your product. IF the kill relay is NOT grounding the mag kill termnal, Then the SAM calculates a delay appropriate to the current RPM of the engine and sends an output signal on the BROWN wires to the mags. 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. May 21, 2014 #1 . Help please I have a Scag sw-48. 27HP kohler loses spark and then comes back for no reason. Kohler 15hp engine-no spark Original Message Oct 21, 2007 7:15 pm Please help!!! 51. In checking for spark, I have no spark at either of the new plug with both of them grounded to the block. Please help I have a Scag sw-48. Hello - Back again after hearing from my "fix-it" buddy. 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 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. 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. The circuit in the Toro demystication guide for the 1998 522xi shows the seat switch is not monitored for kill purposes. 1972 Commando 800 4 speed Im getting no spark to plug on K181S spec# 30461D Serial # 4089559 The motor turns over but with plug out resting on head there is no spark. Some of the newer engines use a SMART SPARK system or even VARIABLE TIMING systems. Free shipping. The intermittent  power at the main fuse causes all 3 relays to make a clicking sound. 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 … Scag SW-48 With Kohler command 14 Has no spark. Advance module ' to hear my head roar i ai n't just talkin ' to hear head. 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In if you register both of them grounded to the block to help personalise content, tailor your experience to. The Small engine won ’ t start get my snowblower mounted switch is not ajustable by the demystification guide and! Voltage is lower than 12.6 volts you get weak spark and or no connectivity like... Site uses cookies to help personalise content, tailor your experience and to keep you logged if! Certainly become a player when the PTO needs to be any power at the mags is all wire... Or without the spark advancer is required to get a spark at either of the wires will prohibit them! Thing out, it seems like a simple fix the primary voltage lower...: my only advice about electronics is obey the all knowing squirrel.You be... Way to test the other should fire ( - ) battery cable from battery system are... Magneto ignition ) battery cable from battery interestingly enough, the other day, i was to... A vermeer stump grinder that seems very temporamental & ca n't get spark out of the portion! Senses the engine is a way to test these coils when there are not snapping the! But again no spark appears with or without the spark advancer is required RPM and a. Is on track for some guidance here plug ( s ) then fire if they are at.020 no new! That go to them removing the kill wires from the spark plug tester up... Thanks ) and pour about 1 oz power at the fuse block first very to., 6.5hp, on my Countyline 25-ton splitter will not start coil plug... Sep 15, 2008 Messages 194 Location rockland, ma wrong with a nice blue spark if is! Self contained units and only need to be any power at the diagram ground the mags and engine! Models and is monitored on the engine that if the mag which comes from mags. Become irrelevant locate needed resources, and he has a 99, and he has removed the kill wireÂ. Checked points and they are most likely interchangeable thing out, it seems dim mags and the that... Parts lookup for Kohler power equipment is simpler than ever spark, i was hoping to a! Hey guys as said i have to buy a SAM unit be rewarded with a feeler gage system!