39
S
PLITTING
THE
CRANKASE
HALVES
- Remove the following assemblies: Transmission cover,
clutch, gears, as described in the related paragraphs: «Re-
moving the transmission cover», «Removing the clutch», and
«Removing the gear-shafts.
- For kick-start versions, remove the flywheel shroud, the
flywheel, the stator mounting, and the pick-up, as described
in the related paragraphs «Removing the flywheel shrouds,
«Removing the flywheel magnetos, and «Removing the sta-
tor».
- For electric starter versions, remove the Bendix mounting
and the starter motor as described in the paragraph «Remo-
ving the starter motors.
- Remove the cylinder-piston-head assembly as described in
the related paragraphs.
- Remove the ten half-crankcase coupling screws. Split the
crankcase-halves, with the crankshaft remaining installed in
the flywheel-side half.
- Remove the crankshaft, by heating the halfcrankcase up to
about 120 °C with the aid of a heat gun.
N.B.
MIND THE LOOSE COMPONENTS INSIDE THE CRANKCA-
SE: CLUTCH SHAFT, TIMING CHAIN GEAR-SHAFT, AND
TWO REFERENCE PINS.
R
EFITTING
THE
CRANKSHAFT
BEARINGS
- Remove the flywheel-side oil seal from the crankcase,
paying attention in avoiding scratching or scoring the crank-
case.
- Abundantly lubricate the new oil seal and its housing on
the crankcase with engine oil, before fitting.
- Position the crankshaft on the base of the support.
- Install the bearing.
- Using the special tool, refit the timing gearshaft.
ENGINE
EE
- CRANKCASE - CRANKSHAFT
ENGINE
- CRANKCASE - CRANKSHAFT
S
PLITTING
THE
CRANKASE
HALVES
R
EFITTING
THE
CRANKSHAFT
BEARINGS
