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What jetting are you running?Stock jetting?
Quote from: Rainman56 on August 08, 2016, 03:48:08 pmWhat jetting are you running?Stock jetting?No its not stock, I forget what I came to in the end. I ran it for about an hour before this trip and checked the plug it was just slightly rich with normal riding. I figure I could have leaned it out some but I didn't change anything as I would prefer to be a little rich on the sand.What ever caused this, has to be a new condition. Like an air leak or exactly what everyone has said and I need to run a higher octane fuel. The local bike shop recommended me to run their JP-8 but I didn't for this last trip.Odd thing is I did not notice anything different about the bike, it was running great, not running away like an air leak would. Just lack of power and then all of a sudden no compression. So I would believe either advanced timing causing too hot of spark. Or the low octane fuel.I checked my Pipes Last night and the seem to be flowing fine with no blockage, so that can be marked off.Edit: I guess it would also be possible that I got old gas from the station. I would find that unlikely but a possibility.
When it happened I was climbing a hill, noticed a power loss but it was still running. Then tried the hill again, power loss and then it died, I immediately noticed the lack of compression and did not try to start it back up.
Quick and short update for everyone:Had my cylinder bored just a little over stock to true up the bore, reason for doing this was, because when I placed the stock piston into the cylinder without rings it was a little sloppy. got the cylinder back from the shop along with the piston kit. Put everything back together, with good usage of sealer to be sure I wont get any air leaks. and I started haveing a coolant leak on the front of the head gasket, this was using a paper type head gasket so I replaced it with a OEM type I had laying around. Leak then went away.Now it has great compression, no air leaks, and starts with the first kick. I have not yet been able to take it out for a ride yet, but I am pretty confident that as long as I stay with the 110 octane it will be fine.
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