2-3
SPEC
E
MAINTENANCE SPECIFICATIONS
MAINTENANCE SPECIFICATIONS
ENGINE
Item
Unit
Model
GP1200R
CYLINDER HEAD
Warpage limit
mm (in)
0.1 (0.004)
Compression pressure
*1
KPa
(kg/cm
2
)
500 (5.0)
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)
1.47 ~ 1.49 (0.058 ~ 0.059)
Dimensions (T)
mm (in)
2.8 ~ 2.9 (0.110 ~ 0.114)
End gap
mm (in)
0.45 ~ 0.60 (0.018 ~ 0.024)
Ring groove clearance
mm (in)
0.03 ~ 0.05 (0.001 ~ 0.002)
2nd
Type
Keystone
Dimensions (B)
mm (in)
1.47 ~ 1.49 (0.058 ~ 0.059)
Dimensions (T)
mm (in)
2.8 ~ 2.9 (0.110 ~ 0.114)
End gap
mm (in)
0.45 ~ 0.60 (0.018 ~ 0.024)
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).
