at a loss myself also, I got the sled in the shop today and was also in process of cleaning the exhaust valves, the front of the bulkhead was soaked black oil and inside of Ypipe was pretty wet also, cleaned the bulkhead and as I took the magside powervalve out it was pretty much full of the same oil, seem a bit much the pto side had oil in it also but not near as much, maybe is was just built up from ideling in the truck as I unloaded it and drove it on the steerable dollies into the shop. was weird also not sure if that's a prob but maybe the oiler is cranked up to much.
Think I'm gonna change the primary spring to an almond red that will let the motor rev quick but not over rev. have been hearing that maybe engine is hitting the rev limiter but the guage panel isn't reading it that fast, I have seen the tack hit 8300 couple quick times and hear the limiter is around 8500. I haven't had pulls on the throttle for an extended time I seem to let off when I feel the bog or see the tach drop to 6600, buddy who is really good at clutching suggests I change primary spring or add weight to the clutch so it will load the motor more and maybe prevent possible over rev he doesn't think the motor is getting loaded sufficiently. Gonna eventually buy a set of Dalton adjustable weight also so you don't have to remove the weights to add or remove weight . this is what I liked about the clicker setup on the skidoo so much.
I did notice my sled has what looks like a brandnew throttle position sensore like the newest lookin part under the hood seem previous owner probably chasing the same prob who knows.
How do you adjust the Position sensor and the oil pump adjustment correctly?
Hope you get to the bottom of your problem also..
Wildcard
