4 - 62
ENG
CRANKCASE
CHECKING THE CRANKCASE
1.Thoroughly wash the case halves in a mild
solvent.
2.Clean all the gasket mating surfaces and
crankcase mating surfaces thoroughly.
3.Check:
●
Crankcase
Cracks/damage
→
Replace.
●
Oil delivery passages
Clogged
→
Blow out with compressed air.
CHECKING THE BEARINGS
1.Check:
●
Bearing
Clean and lubricate, then rotate the inner
race with a finger.
Roughness
→
Replace.
ASSEMBLING THE CRANKCASE
1.Apply:
●
Sealant (Quick Gasket
®
)
1
(to the mating surfaces of both case halves)
2.Install:
●
Dowel pin
2
Sealant (Quick Gasket
®
):
P/N. ACC-11001-05-01
Yamaha bond No. 1215:
P/N. 90890-85505
3.Fit the left crankcase onto the right case. Tap
lightly on the case with a soft hammer.
CAUTION:
Before installing and torquing the
crankcase holding bolts, be sure to check
whether the transmission is functioning
properly by manually rotating the shift cam
in both directions.
Summary of Contents for YFM45FAR
Page 1: ...YFM45FAR YFM450FAR 5ND2 AE1 SERVICE MANUAL ...
Page 2: ......
Page 8: ......
Page 9: ...GEN INFO 1 ...
Page 11: ...GEN INFO ...
Page 27: ......
Page 28: ...SPEC 2 ...
Page 30: ...SPEC ...
Page 41: ...2 11 SPEC Cylinder head tightening sequence Item Standard Limit MAINTENANCE SPECIFICATIONS ...
Page 53: ...2 23 SPEC 1 Radiator 2 Thermostat È To coolant reservoir COOLANT FLOW DIAGRAMS ...
Page 54: ...2 24 SPEC OIL FLOW DIAGRAMS 1 Camshaft 2 Crankshaft 3 Drive axle OIL FLOW DIAGRAMS ...
Page 55: ...2 25 SPEC 1 Oil filter OIL FLOW DIAGRAMS ...
Page 56: ...2 26 SPEC 1 Oil pump 2 Oil strainer OIL FLOW DIAGRAMS ...
Page 67: ...CHK ADJ 3 ...
Page 133: ......
Page 134: ...ENG 4 ...
Page 138: ...ENG ...
Page 227: ...COOL 5 ...
Page 229: ...COOL ...
Page 241: ......
Page 242: ...CARB 6 ...
Page 244: ...CARB ...
Page 252: ......
Page 253: ...DRIV 7 ...
Page 255: ...DRIV ...
Page 287: ......
Page 288: ...CHAS 8 ...
Page 343: ...ELEC 9 ...
Page 345: ... ELEC ...
Page 348: ...9 3 ELEC CHECKING THE SWITCH ...
Page 393: ......
Page 394: ...TRBL SHTG 10 ...
Page 396: ...TRBL SHTG ...
Page 403: ......
Page 404: ...YAMAHA MOTOR CO LTD 2500 SHINGAI IWATA SHIZUOKA JAPAN ...