Crankcase - Crankshaft - APRILIA MSS Mana GT ABS Service Station Manual

Engine

Crankcase - crankshaft

- Remove the transmission cover, the driving and the driven pulleys, as described in the «Automatic
transmission» chapter.
- Remove the flywheel cover as described in the «Flywheel cover removal» chapter.
- Remove the magneto flywheel with the start-up control as described in the «Magneto flywheel re-
moval» chapter.
- Remove the thermal parts (cylinders, heads, pistons) as described in the «Thermal group and Timing
system» chapter.
- Before opening the engine crankcase, it is advisable to check the axial clearance of the crankshaft.
Specific tooling
020262Y Crankcase splitting strip
020335Y Dial gauge magnetic support
Characteristic
Standard clearance:
0.10 ÷ 0.50 mm
Increased limit after use:
0.60 mm
- Higher clearances are signs of wear on the supporting surfaces of the crankshaft on the crankcase.
- To carry out an accurate measurement, measure the clearance in both directions between crankcase
and crankshaft.
ENG - 210
MSS Mana GT ABS