2003 Honda ATV TRX650FA Rincon Factory Service Manual, Page 151Get this manual
CYLINDER HEADIVALVECAMSHAFT
CYLINDER COMPRESSION
W arm up the engine no rm al operati ng em pe ra-
ture Stop he engi ne, dis co nnect the spa rk plu cap and rem ov he sp ark plug (page 3-7)Install th co pressio ga ug int he spark lug ho le
TOOLSCompression est er Ad aptor
EEPV303A
MT26J20 0
Sh ift he ra nsmission in neutra lOpe the throttle all the way and crank the engine
with the starter motor until th gauge read ing stops
risingThe maxi mu readi ng is usu ally reached
withinsecondsCOM PRESSION PRESSURE: 510 kPa (52 kgfcm!74 psiat 390 rp m