Inspecting The Exhaust System; Inspecting The Ais Valve (Secondary Air) - Derbi GPR125 Workshop Manual

3 - MAINTENANCE

INSPECTING THE EXHAUST SYSTEM

1. Inspect:
- The nuts (1).
Loose/damaged => Tighten/renew.
- Gasket (exhaust pipe).
Leaking exhaust fumes => Tighten/renew.
The nuts:
1,7-1,9 N.m (17-19 kgf.m)
2. Inspect:
- The clamp (2) joining the exhaust pipe to the silencer.
Loose/damaged => Tighten/renew.
Clamp tightening torque:
0,8-1 N.m (8-10 kgf.m)

INSPECTING THE AIS VALVE (SECONDARY AIR)

1. Inspect:
- The pipes:
- Air inlet from the air filter box (1).
- Breather inlet (2).
- Air outlet to the cylinder head (3).
Loose/damaged => Connect/renew.
55
2
1
2
3
1