Yamaha TT600R, Service Manual

Page: 26 / 380

SPEC
MAINTENANCE SPECIFICATIONS
2-7
Item Standard Limit
Piston ring
Top ring:
Ring type Barrel
Dimensions (B x T) 1.20 x 3.80 mm •••
End gap
(installed)
0.30 - 0.45 mm 0.70 mm
Ring side clearance 0.040 - 0.080 mm 0.130 mm
2 nd ring:
Ring type Plain
Dimensions (B x T) 1.20 x 3.80 mm •••
End gap
(installed)
0.30 - 0.45 mm 0.80 mm
Ring side clearance 0.030 - 0.070 mm 0.130 mm
Oil ring:
Dimensions (B x T) 2.50 x 3.40 mm •••
End gap
(installed)
0.20 - 0.70 mm •••
Ring side clearance 0.020 - 0.060 mm •••
Crankshaft
Width A 74.95 - 75.00 mm •••
Max. runout C ••• 0.030 mm
Big end side clearance D 0.350 - 0.650 mm •••
Big end radial clearance 0.010 - 0.025 mm •••
Small end free play F 0.80 mm •••