Yamaha GP800R WaveRunner 2003, Service Manual

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2-3
SPEC
E
MAINTENANCE SPECIFICATIONS
MAINTENANCE SPECIFICATIONS
ENGINE
Item Unit
Model
GP800R
CYLINDER HEAD
Warpage limit mm (in) 0.1 (0.004)
Compression pressure
*1
kPa (kg/cm
2
) 560 (5.6)
CYLINDERS
Bore size mm (in) 80.000–80.018 (3.1496–3.1503)
Taper limit mm (in) 0.08 (0.003)
Out-of-round limit mm (in) 0.05 (0.002)
Wear limit mm (in) Original cylinder bore + 0.04 (0.0016)
PISTONS
Diameter mm (in) Red: 79.899–79.902 (3.1456–3.1457)
Orange: 79.903–79.906 (3.1458–3.1459)
Green: 79.907–79.910 (3.1459–3.1461)
Purple: 79.911–79.914 (3.1461–3.1462)
Measuring point* mm (in) 22 (0.87)
Piston-to-cylinder clearance mm (in) 0.100–0.105 (0.0039–0.0041)
Wear limit mm (in) Cylinder bore – 0.105 (0.0041)
Piston pin bore inside
diameter mm (in) 22.004–22.025 (0.8663–0.8671)
PISTON RINGS
Top
Type Keystone
Dimensions (B) mm (in) 1.2 (0.05)
Dimensions (T) mm (in) 2.85 (0.112)
End gap mm (in) 0.30–0.45 (0.012–0.018)
Ring groove clearance mm (in) 0.03–0.05 (0.001–0.002)
2nd
*2
Type Keystone
Dimensions (B) mm (in) 1.2 (0.05)
Dimensions (T) mm (in) 2.85 (0.112)
End gap mm (in) 0.30–0.45 (0.012–0.018)
Ring groove clearance mm (in) 0.03–0.05 (0.001–0.002)
PISTON PINS
Diameter mm (in) 21.995–22.000 (0.8659–0.8661)
Wear limit mm (in) 21.990 (0.8657)
*1: At 760 mmHg and 20 ˚C (68 ˚F)
*2: The top ring and 2nd ring are of the same type.