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So I’m pretty certain that it’s not my crank seal cause I haven’t lost like any oil. Could the power valve have anything to do with it? My jetting is all good besides the pilot jet it’s supposed to be 30 but it’s 32.5 could that make a big difference? I have notice after I go through the gears and...

cr25003boy Added a reply to Is this piston bad?

7/30/2024 11:11am
Don’t know about jetting. Spark plugs a little oily. I think elevation is 1300 feet. How do you measure the cylinder on a budget? Also what’s the ring gap supposed to be?

cr25003boy Started a new thread Is this piston bad?

7/30/2024 8:15am
intake side then exhaust side. My bike smokes a lot I run 32 to 1 usually it’s also very boggy one day it kinda seized I was riding it and it just bogged a bunch and puttered out bottom end is fine so I was wondering if the piston needs replacing? It’s ran pretty great before that one day and...
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