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1986 Suzuki LT230 - Interesting Problem~Not Getting Spark


kfwa
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Hello

I have an '86 LT230s.

recently I put a new top end in. Took it out for a test drive after the rebuild and the screw holding the cam chain tensioner was loose and fell out. When I stopped the motor I couldn't start again. Fearing the cam chain jumped the timing I pushed it back, reset the timing by using a screwdriver in the spark plug hole to determine the top end.

Bike still wouldn't start where in the past it would start on the first kick. I was pretty confident I hadn't screwed up the timing so I pulled the spark plug to spray some starting fluid in the chamber and noticed the spark plug wasn't getting any spark.

I tested the ground, the usual suspects. I had a donor bike so I replaced the coil and the CDI. Still nospark.

So here is where is gets interesting.

I take the stator cover off, wipe down the flywheel and coils and I guess what you'd call the magneto because they all had a light layer of oil on them. In order to take the stator cover off of course I had to drain the oil. So after wiping it down, putting the stator cover back on I get a strong spark.

In my haste, I start the motor and let it run for about 20 seconds before I realize I didn't put the oil back in.

I put the oil back in...and you guessed it - now I'm back to having no spark.

I'm trying to figure out if I need to replace something - clearly I can't run it without oil.

any ideas would be welcome.

Edited by kfwa
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Dream Car Giveaway

just wanted to give some closure to this thread. Finally got so frustrated at just guessing so I put a meter on the connectors coming from the stator. The pulse was sending signal thru the two connector black plug, however the whitish plastic plug was not. This was the "checkered" wiring that went to the upper coil, the smaller one that went inside the flywheel. I had a spare stator and replaced it using a soldering iron.

Went over all the wiring again, put it back together and go spark. I've been driving it around the yard in the snow.

Honestly I'm still not 100% certain that was the problem, it may have been a loose connection that I just shored up while doing the wiring but at any case, I attempted to use a methodical approach to isolating the problem.

At this point I'm not sure there isn't too much about an LT230S I can't fix. This thing was a basket case.

Edited by kfwa
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