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Old 11-14-2012, 06:27 AM   #624
blaine.hale OP
Beastly Adventurer
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Joined: Feb 2009
Location: Atlanta, Ga
Oddometer: 3,267
I'll take a video of carb disassembly this week. It might drive ya'll as nuts as it has driven me.
That popping is actually the cylinder dropping. I bumped back to the original pilot/idle jet last night and leaned the mixture screw in as far as possible and still got the same issue. The butterfly valve hasn't changed since day 1 but I went ahead and disassembled it before the carb body went in the carb dip.

What are the symptoms of piston rings not seating properly or even being broken/blown? Does any of this sound like a valve issue, maybe one is sticking every other cycle or something?
1974 BMW R90 /6 | 1968 Bultaco Matador MK3 | 1973 BMW R75 /5 Toaster LWB | 1966 Ducati 250 Monza | 1976 Ducati 860 GT | 1977 Moto Guzzi LeMans 850
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