Checking The Crankcase - Yamaha XVZ13TF 1999 Service Manual

CRANKCASE
EAS00399

CHECKING THE CRANKCASE

1. Throughly wash the crankcase halves in a
mild solvent.
2. Thoroughly clean all the gasket surfaces and
crankcase mating surfaces.
3. Check:
S crankcase
Cracks/damage ! Replace.
S oil delivery passages
Obstruction ! Blow out with compressed air.
4. Check:
S crankcase breather cover 1
S crankcase breather spacer 2
Cracks damage ! Replace.
S oil pipe (crankcase breather) 3
Blockage ! Blow out the passages with
compressed air.
5. Check:
S drain plugs (cylinders) 1
Cracks/wear/damage ! Replace.
6. Check:
S oil pipe 1
Blockage ! Blow out the passages with
compressed air.
S union bolt 2
Blockage ! Blow out the passages with
compressed air.
7. Check:
S idler gear (oil pump) 1
S shaft 2
Bends/wear/damage ! Replace.
4-73
ENG