A quick update today, I put in a different plug, still nothing but backfiring( had to stop and sleep with icepack around my ankle, afraid of it being broke from one nasty pop). Now decided to kick with my motocross boot on right foot.
I decided to rollback to when it quit running, about 1.5miles AFTER filling up with 93octane GAS. Drained gas out of tank and float bowl and got 87octane from a different company. About 6 good kicks it fired up and is running, let it idle for 3-4minutes, went around the block a couple times. It does still have a skip in the firing, runs perfect under acceleration(easily hit 85mph and still going), with a steady throttle it has a stumble.
Any ideas what the steady misfire would be? Has no backfiring, plug now looks good color. Over tightened valves? Do these motors get tight or loose with wear? No knocking or ticking at all, entire motor sounds smooth and has great power. I'm going to really like this bike once it is straightened out.
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