Disassembling The Crankcase; Checking The Crankcase; Checking The Bearings And Oil Seal; Checking The Oil Delivery Pipes - Yamaha STAR XVS95CE 2DX1 2014 Service Manual

EAS25560

DISASSEMBLING THE CRANKCASE

1. Remove:
• Crankcase bolts
TIP
Loosen each bolt 1/4 of a turn at a time, in stag-
es and in a crisscross pattern. After all of the
bolts are fully loosened, remove them.
• M10 × 110 mm bolts "1"
• M6 × 120 mm bolts "2"
• M6 × 80 mm bolts "3"
A. Right crankcase
B. Left crankcase
2. Remove:
• Left crankcase
ECA13900
NOTICE
Tap on one side of the crankcase with a soft-
face hammer. Tap only on reinforced por-
tions of the crankcase, not on the crankcase
mating surfaces. Work slowly and carefully
and make sure the crankcase halves sepa-
rate evenly.
EAS25580

CHECKING THE CRANKCASE

1. Thoroughly wash the crankcase halves in a
mild solvent.
2. Thoroughly clean all the gasket surfaces and
crankcase mating surfaces.
3. Check:
• Crankcase
Cracks/damage → Replace.
• Oil delivery passages
Obstruction → Blow out with compressed air.
EAS1TP1056

CHECKING THE BEARINGS AND OIL SEAL

1. Check:
• Bearings
Clean and lubricate the bearings, then rotate
the inner race with your finger.
Rough movement → Replace.
• Oil seals
Damage/wear → Replace.
EAS1TP1057

CHECKING THE OIL DELIVERY PIPES

The following procedure applies to all of the oil
delivery pipes and joint pipe.
1. Check:
• Oil delivery pipe
• Joint pipe
Damage → Replace.
Obstruction → Wash and blow out with com-
pressed air.
EAS25620

CHECKING THE TIMING CHAINS

1. Check:
• Timing chains
Damage/stiffness → Replace the timing
chain and camshaft sprocket as a set.
EAS1TP1058
CHECKING THE OIL PUMP DRIVEN
SPROCKET
1. Check:
• Oil pump driven sprocket
Cracks/damage/wear → Replace the oil
pump driven sprocket and the oil pump drive
chain as a set.
EAS1TP1059

INSTALLING THE BEARING RETAINERS

1. Install:
• Bearing retainers "1"
TIP
• Install each bearing retainer "1" with its "OUT"
mark "a" facing outward.
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CRANKCASE