Yamaha EF1000 - Flyweight Shaft (Governor) Gear Inspection

•llllull
PISTON, CAMSHAFT, CRANKCASE, CRANKSHAFT
ENG B
3~
3-17
2. Measure:
•Crankpin outside diameter
Use a micrometer.
Out of specification-+Replace.
Crankpin outside diameter:
22.0 mm (0.87 in)
Crankpin outside diameter limit:
21.9 mm (0.86 in)
3. Measure:
•Oil clearance
Use a plastigauge ®.
Out of specification-+Replace connec-
ting rod.
Oil clearance:
0.016-0.034 mm
(0.0006-0.0013 in)
Oil clearance limit:
0.1 mm (0.004 in)
Oil clearance measuring steps:
1. Clean all parts thoroughly.
2. Place plastigauge® onto crankpin.
3. Install the connecting rod and cap onto
crankcase.
4. Torque both cap bolts evenly.
~
Connecting rod cap bolt:
~
9 Nm (0.9 m•kg, 6.5 ft•lb)
5. Remove the connecting rod and mea-
sure the plastigauge® width.
FLYWEIGHT SHAFT (GOVERNOR) GEAR
INSPECTION
1. Inspect:
•Collar CD
•Washer@
•Flyweight gear@
Damage/Wear-+ Replace.