Refitting The Crankcase Halves - PIAGGIO X7 250ie Service Station Manual

Engine
N.B.
DO NOT TAKE THE MEASUREMENT ON THE
TWO HALF-SHELL COUPLING SURFACE
SINCE THE ENDS ARE RELIEVED TO ALLOW
BENDING DURING THE DRIVING OPERATION.
N.B.
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.
- Position the oil pre-filter element as shown in the
photograph.
- 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-
crankcase coupling screws 11 ÷ 13 Oil filter on
crankcase fitting 27 ÷ 33 Engine oil drainage
plug/mesh filter 24 ÷ 30
ENG - 56
X7 250ie