- 78-
ENGINE
- 178 -
1
、
CHECK
1). Checking the shift forks
• shift fork follower
①
• shift fork pawl
②
coring en s wear amage
Replace.
• gui e ar
Roll the gui e ar on a flat surface.
Bends
Replace.
WARNING
Do not attempt to straighten a bent guide
bar.
• shift fork mo ement
on the gui e ar
Unsmooth operation
Replace the shift fork
an the gui e ar.
• springs
Cracks amage
Replace.
. Checking the shift rum
• shift rum groo es
cratches wear amage
Replace.
ENGINE
- 179 -
3). Checking the bearings
(1) Check:
• earings
Clean and lubricate, then rotate the inner race
with a finger.
Roughness
Replace
4). Checking the oil pump
• rotor housing
• rotor co er
Cracks/wear/damage
Replace.
• oil pump operation
Unsmooth
Repeat steps #1 and #2 or
replace the efecti e parts.
2
、
Measure:
1). Measure the oil pump
• tip clearance a
(between the inner rotor
and the out rotor
)
• si e clearance
(between the outer rotor
and the pump
housing
)
• o y clearance c
(between the outer rotor
and the pump
housing
)
Out of specification
Replace the oil pump.
Tip clearance Limit: 0.23 mm
Side clearance Limit: 0.25 mm
Body clearance Limit: 0.20 mm
