PIAGGIO MSS X9 EVOLUTION 250 - Refitting the crankcase halves

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 4 ÷ 6 Engine-crank-
case coupling screws 11 ÷ 13 Oil filter on
crankcase fitting 27 ÷ 33 Engine oil drainage
plug/mesh filter 24 ÷ 30
MSS X9 Evolution 250 Engine
ENG - 135