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Inspecting The Cylinder Head; Inspecting The Timing System Components - Derbi GP1 125-250 c.c. Workshop Manual

Gp1 125-250 c.c..
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Table of Contents
I
I
NSPECTING THE CYLINDER HEAD
NSPECTING THE CYLINDER HEAD
- Using a rectified bar and a thickness gauge, check that the
head surface exhibits no deformations or wear.
- Check that the camshaft and the rocker pin capacities ex-
hibit no wear.
- Check that the head cover, the exhaust manifold and the
intake manifold surface exhibits no wear.
I
I
NSPECTING THE TIMING SYSTEM COMPONENTS
NSPECTING THE TIMING SYSTEM COMPONENTS
- Check that the guide sliding block and the tightening sli-
ding block are not too worn.
- Check that the camshaft and pinion control pulley chain
unit exhibit no wear.
- In case of wear, replace the parts. In case of wear of the
chain, pinion and pulley, replace the entire unit.
- Remove the central screw with the washer and the tightener
spring. Check that the unidirectional gear is not worn.
- Check the integrity of the tightener spring.
- In case of wear, replace the entire assembly.
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Gp1 125 c.c.Gp1 250 c.c.

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  • LIAM May 27, 2017 06:12:
    HI HAVE JUST BOUGHT A DERBI 125 CC CROSS CITY, REALLY WOULD LIKE TO BUY A WORKSHOP MANUAL PLEASE CAN YOU HELP