2006-2009 Yamaha YFM700RV Raptor 700RV factory service manual, Page 103Get this manual
MEASURING THE COMPRESSION PRESSURE5Attach: extension compression gauge 1
Compression gauge 90890-03081 Engine compression tester YU-33223 Extension 90890-04082 6Measure: compression pressure Out of specification Refer to steps (c) and (d)Compression pressure (at sea level) Minimum 392 kPa (3.92 kgcm2, 55.8 psi) Standard 450 kPa (4.5 kgcm2, 64.0 psi) Maximum 504 kPa (5.04 kgcm2, 71.7 psi)