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Motorcycle Repair/XR100 valve adj. specs 2003


Wild Bill wrote at 2006-11-14 14:18:31
I have a '94 and the manual specs .002 for both intake and exhaust.  Other 4-strokes I've had specify .004- intake an .005-exhaust.  .002 seems tight, but the little motor probably doesn't heat-up as much as the others.

BillyGoat wrote at 2013-08-15 14:34:24
The answer is: with the engine warmed up, it should be 0.05mm or 0.002inches.

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Mark Shively


Friends, I will be ending my services with AllExperts effective the first week of June, 2007. It's been a pleasure the past few years corresponding with the many of you. Respectfully, Mark Shively (Dayton, Ohio) ""


Graduate of the American Motorcycle Institute (AMI class 172), multi-factory trained technician, 7 years experience dealership technician & service manager, professional roadracing team technician. Court certified expert in area of motorcycle technology. State certified crash investigator. State certified commercial vehicle crash investigator. State certified forensics/evidence technician. State certified instructor; community college instructor. Privately servicing street motorcycles & ATV's, accident reconstructionists, and dealership turn-aways. I am not available as an expert witness.

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