2004 Official factory service manual for Yamaha YFZ450S ATV Quad., Page 30Get this manual

2004 Official factory service manual for Yamaha YFZ450S ATV Quad., Page 30

ENGINE SPECIFICATIONS Item Piston rings Top ring

Standard

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

Barrel 1.2 3.5 mm (0.047 0.138 in) 0.200.30 mm (0.0080.012 in) 0.0300.065 mm (0.00120.0026 in)

0.55 mm (0.022 in) 0.12 mm (0.0047 in)

Type Dimensions (B T) End gap (installed) Side clearance Oil ring

Taper 1.00 3.35 mm (0.039 0.132 in) 0.350.50 mm (0.0140.020 in) 0.0200.055 mm (0.00080.0022 in)

Back to 2004 Official factory service manual for Yamaha YFZ450S ATV Quad.