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Old 07-06-2012, 06:38 PM
Kkane97 Kkane97 is offline
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No spark, checklist

I have a 3.5 tecumseh engine model: H35-45614S and as of now after rebuilding the engine, I have no spark for the engine. What would some of you guys start with when checking for no spark? ie. grounded wires ect? Any help would be great pics available upon request

Here is the engine after polishing the whole thing down to bare metal, priming and painting with rustoleum engine enamel just no spark

(air filter housing and carb havent been painted yet [brand new])
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Old 07-06-2012, 06:58 PM
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Patriot Services Patriot Services is offline
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That's a purty paperweight. Simple ignition system. Make sure there isn't a grounding wire. Check the coil gap. Inspect the magnet. Did it run before you tore it down?
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Old 07-06-2012, 07:00 PM
Kkane97 Kkane97 is offline
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It ran once before I tore it down... my their is preignition from starting fluid was the culprit of the cracked piston so that got replaced along with the necessary things...piston rings ect
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Old 07-06-2012, 07:06 PM
Kkane97 Kkane97 is offline
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I have had the worst luck finding a manual on this motor... but I imagine that the majority of small engines use the same gap, what should the gap be?
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Old 07-06-2012, 07:12 PM
pugs pugs is online now
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Step 1: disconnect ground wire and check for spark with a spark tester. If no spark proceed to step 2.

Step 2: Replace coil.
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Old 07-06-2012, 08:52 PM
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dutch1 dutch1 is offline
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Is it possible that this is a points/condensor ignition? If it is, you may want to consider replacing both since you're rebuilding it. Points gap is .020". If the coil is inside the flywheel, to gap the coil properly requires a Tecumseh tool to do so. On the other hand, it's possible my memory isn't too good.
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Old 07-06-2012, 09:21 PM
Kkane97 Kkane97 is offline
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Thanks guys for the help, I just ran out side and snagged a coil from anther tecumseh engine in my yard and put that on there, I just made a thread for the rebuild, and all my problems with it here Thread

my problemo now is compression
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