LeviGideon Posted June 27, 2013 Report Share Posted June 27, 2013 So, I put the 510 wagon in the garage for a few days of shelter, but we had to pull it out to change a head gasket in my brothers 620. It took 10 minutes or so to get it to start, and when it did it was really rough. We shut it off and pushed it to the side and tried to figure out what was wrong. Everything looks fine under the hood, nothing changed or got knocked out of whack that I can see. There has always been a lot of slack in the timing chain, so I was thinking it could very well have jumped a tooth or something because now it just coughs black smoke out the carb and backfires a ton of grey smoke out of the exhaust. The coil is fairly new (a month or two old), and I've tried another dizzy with a new condenser/points on it. It doesn't even sound like it wants to start. Quote Link to comment
datzenmike Posted June 27, 2013 Report Share Posted June 27, 2013 I don't think it's physically possible to jump a tooth. Black smoke.... over rich. Cam can't cause this. Could be flooded (float sunk) or choke stuck or set too rich. Quote Link to comment
LeviGideon Posted June 27, 2013 Author Report Share Posted June 27, 2013 Well, turns out it was the coil. Threw on a spare I had and it fired right up. :thumbup: Quote Link to comment
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