Yamaha YZF-R1S Service Manual - Eng
5-75
CRANKCASE
ENG
NOTE:
EAS00399
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:
Scrankcase
Cracks / damage
! Replace.
Soil delivery passages
Obstruction
! Blow out with compressed air.
EAS00401
CHECKING THE BEARINGS AND OIL
SEALS
1. Check:
Sbearings
Clean and lubricate the bearings, then rotate
the inner race with your finger.
Rough movement
! Replace.
2. Check:
Soil seals
Damage / wear
! Replace.
ASSEMBLING THE CRANKCASE
1. Lubricate:
Scrankshaft journal bearings
(with the recommended lubricant)
Recommended lubricant
Engine oil
2. Apply:
Ssealant
Yamaha bond No. 1215
90890-85505, ACC-1109-05-01
Do not allow any sealant to come into contact
with the oil gallery or crankshaft journal bear-
ings. Do not apply sealant to within 2
X 3 mm
(0.08
X 0.12 in) of the crankshaft journal bear-
ings.