Yamaha 60F - Page 27

2-6
SPEC
E
MAINTENANCE SPECIFICATIONS
Crankshaft:
Crank width “A” mm (in) 57.90 ~ 57.95 (2.280 ~ 2.281) —
Crank width “B” mm (in) 151.7 ~ 152.0 (5.972 ~ 5.984) —
Crank width “C” mm (in) 245.5 ~ 246.1 (9.67 ~ 9.69) 284.2 ~ 284.8 (11.19 ~ 11.21)
Maximum deflection
“D”
mm (in) 0.03 (0.0012) 0.05 (0.0020)
Connecting rod side
clearance “E”
mm (in) 0.20 ~ 0.70 (0.008 ~ 0.028) 0.12 ~ 0.26 (0.005 ~ 0.010)
Connecting rod maxi-
mum axial play “F”
mm (in) 2.0 (0.08)
Carburetor:
Stamp mark 62F00 6H20A,
6H210
*1
6H30A 6H007,
6H015
*2
6H007 6H107
Main jet (M.J.) # 125 140,
145 (L)
*3
150 160
Main air jet (M.A.J.) # 170 175, 180
*1
160 180 175
Pilot jet (P.J.) # 65 65, 70
*1
75 78, 80
*2
78 78
Pilot air jet (P.A.J.) # 70 75, 80
*1
70 80, 75
*2
80 70
Pilot screw (P.S.) Turns out 1-3/8 ± 1/4
1-1/2 ± 1/4,
1-3/8 ± 1/4
*1
1-1/4 ± 1/4 1-3/8 ± 1/4 1-1/4 ± 1/4
Float height (F.H.) mm (in) 15.0 ± 1.0
(0.59 ±
0.04)
14.0 ± 1.0 (0.55 ± 0.04)
14.0 ± 2.0 (0.55 ± 0.08)
*1
19.5 ± 3.0 (0.77 ± 0.12)
*2
Valve seat size ø 1.2 (0.047) 1.6 (0.063),
1.4 (0.055)
*1
1.4 (0.055) 1.6 (0.063)
Idling speed r/min 800 ± 50
Oil injection pump:
Stamped mark 62F00 6H302 6H102
Discharge cm
3
(US oz,
lmp oz)
1.90 ± 0.50
(0.064 ± 0.017,
0.067 ± 0.018)
2.20 ± 0.50
(0.074 ± 0.017,
0.077 ± 0.018)
3.10 ± 0.70
(0.105 ± 0.024,
0.109 ± 0.025)
Reed valve:
Stopper height mm (in) 3.0 ± 0.2
(0.12 ± 0.01)
9.9 ± 0.2 (0.39 ± 0.01)
Warpage limit mm (in) 0.2 (0.01)
*1
: For C60ER, C60TR
*2
: For C75TR
*3
: Lower cylinder
Item Unit
Model
50 hp 60 hp 70 hp 75 hp 80 hp 90 hp