Derbi GPR 125 Racing Workshop Manual page 71

4. Tighten:
- Bolts (crankcase cover)
Bolts (casing):
1,0 Kgf.m (10 N.m)
5. Apply:
- 2-stroke engine oil.
(to the crankshaft elbow joints, bearings, oil feed holes).
6. Check:
- Operation of the crankshaft and transmission.
Irregular operation => Repair.
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