Crankcases; Locking Rings And Washers - Derbi GPR 125 Racing Workshop Manual

C C
RANKCASES RANKCASES
1. Wash the casings well with petrol.
2. Clean well the seal-bearing surfaces and the casing
contact surfaces.
3. Inspect:

- Crankcases

Cracks/damage => Replace
- Oil passages
Obstructions => Blow through the passages with com-
pressed air.
B B
EARINGS AND RETAINING RINGS EARINGS AND RETAINING RINGS
1. Inspect:
- Bearings
Clean and lubricate, then turn the inner ring by hand.
Roughness => Replace
2. Inspect:
- Retaining rings
Damage/wear => Replace.
L
OCKING RINGS AND WASHERS
1. Inspect:
- Locking rings
- Washers
Damaged/loose/distorted => Replace.
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