SERVICING INFORMATION 7-27
Unit: mm
CONROD + CRANKSHAFT Unit: mm
OIL PUMP
FIRST CLUTCH Unit: mm
GEAR SHIFT CLUTCH Unit: mm
ITEM STANDARD LIMIT
Piston ring end gap
1 st 0.10 – 0.25 0.500
2 nd 0.10 – 0.25 0.500
Piston ring to groove clearance 1 st ------------- 0.180
2 nd ------------- 0.150
Piston ring groove width 1 st 1.01-1.03 -------------
2 nd 1.01-1.03 -------------
Oil 2.01-2.03 -------------
Piston ring thickness 1 st 0.97-0.99 -------------
2 nd 0.97-0.99 -------------
Piston pin bore 14.002-14.008 14.030
Piston pin O.D. 13.996-14.00 13.960
ITEM STANDARD LIMIT
Conrod small end I.D. 14.006-14.014 14.040
Conrod deflection -------------- 3.000
Conrod big end side clearance 0.10-0.45 1.0
Crank web to web width 42.0 ±0.1 --------------
Crankshaft thrust bearing thickness 0.60-1.35 --------------
Crankshaft thrust clearance 0.00-0.07 --------------
Crankshaft run out -------------- 0.08
ITEM STANDARD LIMIT
Oil pump reduction ration 1.824 (31/17) --------------
Oil pressure (at 60°C)
Above 10 kPg (0.1 kg/cm
2
X
Below 30 kPg (0.3 kg/cm
2
) at
3,000 r/min.
--------------
ITEM STANDARD LIMIT
Clutch release screw 1/8 turn back --------------
Clutch heel I.D. 105.00 – 105.15 --------------
Clutch shoe O.D. -------------- No groove
Clutch engagement 1,900-2,300 r/min. --------------
Clutch lock-up 3,150-3,850 r/min --------------
ITEM STANDARD LIMIT
Drive plate thickness 2.9-3.1 2.600 (No groove)
Drive plate distortion No.1 -------------- 0.100
Drive plate claw width 11.80-12.00 11.200