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so i finally did a compression test with the following results cylinder1:140psi, cylinder2:100psi,cylinder3:125psi cylinder4:130psi. im not sure what to make of the result, the standard from the manual is 130-185psi with a limit of 100psi and a difference of less than 30. does anyone think this could be the reason its only running on two cylinders
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No. All those cylinders should fire. It's something else.1983 GS 1100E w/ 1230 kit, .340 lift Web Cams, Ape heavy duty valve springs, 83 1100 head with 1.5mm oversized SS intake valves, 1150 crank, Vance and Hines 1150 SuperHub, Star Racing high volume oil pump gears, 36mm carebs Dynojet stage 3 jet kit, Posplayr's SSPB, Progressive rear shocks and fork springs, Dyna 2000, Dynatek green coils and Vance & Hines 4-1 exhaust.
1985 GS1150ES stock with 85 Red E bodywork.
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somewhat large diff between #2 and other cylinders aside...
if you have spark and if you have fuel with those compression numbers the bike should run
ok, maybe rough only, but all the cylinders should fire
now, how did you warm up the engine to do the compression check if two cylinders are NOT working ?
maybe a time to repeat saying what exactly the symptoms are (cause everything posted above doesnt make sense when put together)GS850GTComment
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