2008 Yamaha Raptor 250SE / 250SE2 Factory Service Manual, Page 30Get this manual

2008 Yamaha Raptor 250SE / 250SE2 Factory Service Manual, Page 30

ENGINE SPECIFICATIONS Item Piston rings Top ring Standard

Type Dimensions (BT) End gap (installed) Side clearance 2nd ring

Barrel 0.902.75 mm (0.0350.108 in) 0.190.31 mm (0.0070.012 in) 0.0300.065 mm (0.00120.0026 in)

0.56 mm (0.022 in) 0.115 mm (0.0045 in)

Type Dimensions (BT) End gap (installed) Side clearance Oil ring

Taper 0.802.80 mm (0.0310.110 in) 0.300.45 mm (0.0120.018 in) 0.0200.055 mm (0.00080.0022 in)

Back to 2008 Yamaha Raptor 250SE / 250SE2 Factory Service Manual