Refitting The Crankcase Halves - PIAGGIO MSS X9 EVOLUTION 250 Workshop Manual

MSS X9 Evolution 250
CRANKCASES FOR REPLACEMENTS ARE SELECTED
WITH CRANKCASE HALVES OF THE SAME CATEGORY
AND ARE FITTED WITH CATEGORY B BUSHINGS (BLUE)
Characteristic
Standard driving depth
1.35 ÷ 1.6
Diameter of crankcase without bushing
32.953 ÷ 32.963

Refitting the crankcase halves

- Fit the internal bulkhead by locking the two
screws to the prescribed torque.
- Fit the oil filter fitting and tighten it to the specified
torque.
- Place a new gasket on one of the crankcase
halves, preferably on the transmission side, to-
gether with the locating dowels.
- Lubricate the main bushings and insert the crank-
shaft in the transmission side crankcase half.
- Reassemble the two crankcase halves.
- Fit the 10 screws and tighten them to the pre-
scribed torque.
- Fit a new O-ring on the pre-filter and lubricate it.
- Insert the filter on the engine with the relative cap.
Tighten to the prescribed torque.
Locking torques (N*m)
Internal engine crankcase bulkhead (transmis-
sion-side half shaft) screws
case coupling screws
crankcase fitting
27 ÷ 33
plug/mesh filter
24 ÷ 30
Engine-crank-
4 ÷ 6
Oil filter on
11 ÷ 13
Engine oil drainage
Engine
ENG - 135