Checking The Crankcase; Checking The Rear Balancer; Checking The Timing Chain And Timing Chain Guide (Intake Side); Checking The Oil Nozzles - Yamaha XT1200Z 2010 Service Manual

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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.
EAS23P1032

CHECKING THE REAR BALANCER

1. Check:
• Rear balancer
• Rear balancer shaft
Damage/wear → Replace the rear balancer
and rear balancer shaft as a set.
Dirt → Clean.
EAS23P1044
CHECKING THE TIMING CHAIN AND TIMING
CHAIN GUIDE (INTAKE SIDE)
1. Check:
• Timing chain
Damage/stiffness → Replace the timing
chain, camshaft sprockets, and crankshaft as
a set.
• Timing chain guide (intake side)
Damage/wear → Replace.
EAS23P1094

CHECKING THE OIL NOZZLES

The following procedure applies to all of the oil
nozzles.
1. Check:
• Oil nozzle
Damage/wear → Replace.
• Oil passage
Obstruction → Blow out with compressed air.
EAS25680

ASSEMBLING THE CRANKCASE

1. Lubricate:
• Crankshaft journal bearings
(with the recommended lubricant)
email: info@motomatrix.co.uk
• Front balancer shaft journal bearings
(with the recommended lubricant)
Recommended lubricant
Engine oil
2. Apply:
• Sealant
(onto the crankcase mating surfaces)
Yamaha bond No. 1215
90890-85505
(Three Bond No.1215®)
ECA23P1043
NOTICE
Do not allow any sealant to come into con-
tact with the oil gallery, crankshaft journal
bearings, or front balancer shaft journal
bearings.
3. Install:
• Dowel pins
4. Set the shift drum assembly and transmission
gears in the neutral position.
5. Check:
• Alignment of punch mark "a" in the front bal-
ancer shaft and punch mark "b" in the crank-
shaft
Out of alignment → Adjust.
Refer to "INSTALLING THE FRONT BAL-
ANCER SHAFT" on page 5-102.
5-88
CRANKCASE