SPEC
MAINTENANCE SPECIFICATIONS
ENGINE
Item
CYLINDER HEAD
Warpage limit
Compression pressure
CYLINDERS
Bore size
Taper limit
Out-of-round limit
Wear limit
PISTONS
Diameter
Measuring point*
Piston-to-cylinder clearance
Wear limit
Piston pin bore inside
diameter
PISTON RINGS
Top
Type
Dimensions (B)
Dimensions (T)
End gap
Ring groove clearance
2nd
Type
Dimensions (B)
Dimensions (T)
End gap
Ring groove clearance
PISTON PINS
Diameter
Wear limit
*1: At 760 mmHg and 20 ˚C (68 ˚F).
MAINTENANCE SPECIFICATIONS
Unit
mm (in)
*1
KPa (kg/cm
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
2
)
80.000 ~ 80.018 (3.1496 ~ 3.1503)
Original cylinder bore + 0.04 (0.0016)
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)
0.100 ~ 0.105 (0.0039 ~ 0.0041)
Cylinder bore – 0.105 (0.0041)
22.004 ~ 22.025 (0.8663 ~ 0.8671)
1.47 ~ 1.49 (0.058 ~ 0.059)
2.8 ~ 2.9 (0.110 ~ 0.114)
0.45 ~ 0.60 (0.018 ~ 0.024)
0.03 ~ 0.05 (0.001 ~ 0.002)
1.47 ~ 1.49 (0.058 ~ 0.059)
2.8 ~ 2.9 (0.110 ~ 0.114)
0.45 ~ 0.60 (0.018 ~ 0.024)
0.03 ~ 0.05 (0.001 ~ 0.002)
21.995 ~ 22.000 (0.8659 ~ 0.8661)
21.990 (0.8657)
2-3
Model
GP1200R
0.1 (0.004)
500 (5.0)
0.08 (0.003)
0.05 (0.002)
22 (0.87)
Keystone
Keystone
E