Questions & Answers for: Harley Davidson exhaust valve

...exhaust valve has broken or is stuck in open, causing the gasses which normally create compression from combustion to escape continuously rather than build compression. The white smoke might be from ...

...exhaust valve has sucked up some cold air. The engine idles fast, because more air is being introduced, and not metered by the injection system. (The exhaust valve thing. Exhaust valves are supposed ...

...(rain) made it worse. Intake: Lean, or spark control problem, valve problem, bad fuel, plugged carburetor. Exhaust: excessively lean or rich with exhaust leak, valve problem, spark control

...I slow down. No ohter modifications where done to her. The baffles provided back-pressure on the exhaust valves, helping them to close. Without the baffles the exhaust valves float off their

.but it is more likely an exhaust leak. Do Harleys have mechanical valve lash adjustments? If you do then I would also recommend checking the clearances on the exhaust valves. Good luck and be careful

exhaust valve or broken valve spring. What happens is the valve that opens above the cylinder to allow the exhaust gasses to escape may be shut, so when the intake vale opens to allow the gas in - and

valve clearance harley Hi Anonymous, valve to guide intake .0008"-.0026" valve to guide exhaust .0015"-.0033" valve to valve .0625" valve to piston .050" Good luck and have nice day.

...exhaust the previous owner had but new baffled pipes made no difference engines -regardless of make -- that have the problems indicated suffer from problems from incorrect valve clearance when hot , ...

...valve to piston clearance on this bike or is the air venting past the compression releases? HI Anonymous, it is very possible he bent an exhaust valve if adjustment was to tight. Sorry and good ...

exhaust ports. What it will not diagnoise is a failed valve seal usually from improper installation or rotating engine before lifters bleed down. When a valve seal comes off the guide it turns from an