2003 Honda ATV TRX650FA Rincon Factory Service Manual, Page 151Get this manual
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CYLINDER HEADIVALVECAMSHAFT
withinsecondsCOM PRESSION PRESSURE: 510 kPa (52 kgfcm!74 psiat 390 rp m
Check hat th ere is no leakage at the gauge connectio n
l ow co mpress io c