Yamaha F6AMH, Service Manual

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MAINTENANCE SPECIFICATIONS
LOWER UNIT
Item Unit
Model
World wide F6AMH, F6BMH F8CMH, F8CW
USA, Canada F6MH F8MH
OIL PUMP
Discharge (@ 3,000 r/min) L/h (US gal/h,
Imp gal/h)
Abobe 3.5 (0.925, 0.77)
Outer rotor-housing
clearance
a
mm (in) 0.10 - 0.15 (0.004 - 0.006)
Outer rotor-inner rotor
clearance
b
mm (in) 0.04 - 0.14 (0.002 - 0.006)
Rotor-housing clearance
c
mm (in) 0.03 - 0.09 (0.001 - 0.004)
CARBURETOR
Stamped mark
68R-00 (F6AMH/F6MH)
68R-20 (F6AMH for SAV)
69F-20 (F6BMH)
68T-00 (F8CMH/F8MH)
68T-20 (F8CMH for SAV)
68T-30 (F8CW)
Main jet # 74 74
Pilot jet # 39 39
Pilot screw turns out 1 - 3/8 1 - 3/8
Float height
a
mm (in) 19.0 - 20.0
(0.75 - 0.79)
19.0 - 20.0
(0.75 - 0.79)
Idle speed r/min 1,050 ± 50 1,050 ± 50
Item Unit
Model
World wide F6AMH, F6BMH F8CMH, F8CW
USA, Canada F6MH F8MH
GEAR BACKLASH
Pinion - Forward gear mm (in) 0.88 - 1.26 (0.0346 - 0.0496)
Pinion - Reverse gear mm (in) 1.01 - 1.38 (0.0398 - 0.0543)
Pinion shim thickness mm 1.9, 2.0, 2.1, 2.2
Forward gear shim thickness mm 0.10, 0.12, 0.15, 0.18, 0.30
Reverse gear shim thickness mm 0.1
2-12