Derbi GPR125 Workshop Manual page 77

3 - MAINTENANCE
CAUTION
14. Fit:
- A NEW tensioner seal.
- The timing chain tensioner (17).
- The 2 tensioner bolts (4).
Timing chain tensioner bolts.
1,1-1,3 kgf.m (11-13 N.m)
15. Fit:
- The spring (M), pressing it down until the bolt is in position.
- The tensioner central bolt (3).
Central timing chain tensioner bolt.
0,8-1 kgf.m (8-10 N.m)
CAUTION
16. Fit:
- The camshaft sprocket locking tool.
The camshaft sprocket locking tool:
Ref. 865259
17. Tighten:
- The 2 bolts on the sprockets to the nominal torque.
Sprocket bolts:
2,5-2,7 kgf.m (25-27 N.m)
18. Remove:
- The locking pins (8).
19. Check:
- The correct functioning of the timing by turning the cranks-
haft a number of times.
77
BEFORE FITTING THE TENSIO-
NER GATHER IT IN COMPLETE-
LY IN ORDER TO AVOID DAMA-
GE TO THE TIMING CHAIN.
MAKE SURE THAT LOCTITE
270-TYPE THREAD SEALANT
HAS BEEN APPLIED TO THE
SPROCKET BOLTS.
17
4
3 M