Inspecting The By-Pass Valve; Refitting The Oil Sump - APRILIA SR MAX 125 ie Service Station Manual

Engine

Inspecting the by-pass valve

- Check the unloaded spring length.
- Check that the small piston is not scored.
- Ensure that it slides freely on the crankcase and
that it guarantees a good seal.
- If not, eliminate any impurities or replace defec-
tive parts.
Characteristic
By-pass check up: Standard length
54.2 mm

Refitting the oil sump

oil sump
- Check the correct position of alignment dowels
«1».
- Fit a new gasket «2».
- Fit the by-pass piston and spring «3».
- Assemble the oil sump by tightening the seven
fixing screws and be careful with the plate indica-
ted.
- Tighten to the specified torque.
Locking torques (N*m)
Oil sump screws
10 to 14
ENG - 156
SR MAX 125 ie