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My bike has been sitting for 10 years and I have done valve shims, air leaks, boots and o-rings, carb cleaning, syncing, thank you for all the help on all that. My second cylinder has 100 psi compression vs 120 on the others (#3 is also 100) and is at 350 degrees after running hard. Bike runs strong but the others are at around 150 degrees. Measuring with harbour freight digital thermometer at the exhaust
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What bike are you working on? Really need to know to help you trouble shoot. Since you're talking about running hard, possible issue on the main jet jet or needle? Too warm would suggest lean condition, causes being air leak, plugged jet, wrong jet size etc. You probably don't want to hear it, but the most likely cause is that that carb is not immaculately clean yet. What do the plugs look like?Last edited by CrazyCloud; 03-30-2017, 11:43 PM.Regards,
Jason
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1978 Suzuki GS750 EC -
At 350F that would be normal - the others are stone cold in comparison.
If it's a stock exhaust they are double walled so getting an accurate reading of exhaust temp can be tricky.Current:
Z1300A5 Locomotive (swapped my Intruder for it), GS450 Cafe Project (might never finish it....), XT500 Commuter (I know - it's a Yamaha :eek:)
Past:
VL1500 Intruder (swapped for Z1300), ZX9R Streetfighter (lets face it - too fast....), 1984 GSX750EF, 1984 GSX1100EF (AKA GS1150)
And a bunch of other crap Yamahas....Comment
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I think you're right. anybody have link to carb o-rings dudeComment
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09 Kaw C14 Rocket powered Barcalounger
1983 GS1100e
82\83 1100e Frankenbike
1980 GS1260
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