Question about 2002 Honda CRF 450 R
Looks as though the carbs float seat took a dump and flooded into the motor oil from what i smell.As soon as i saw the puff of white blue out the pipe i took it out of service @ 80 and a hair hours showing.I tore it down for inspection and found the cylinder is true top to bottom within .0008'' and clean,and the valve guides pass also. , With new std piston specs to what the bore is at, a snug .002'' is what i have.So first: what are the recomended service specs for piston to cylinder wall? Second:What does Honda grant for the top, second, and oil ring end gaps (if at standard bore)?
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Posted on Jan 02, 2017
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