- Screw the threaded bar onto the base of the tool
and extract the oil guard.
Specific tooling
020622Y Transmission-side oil guard punch
Refitting
- Use a new oil seal upon refitting.
- Prepare the new oil seal, lubricating the sealing
lip.
- Preassemble the oil seal with the specific tool,
positioning the screws.
- Place the sheath over the crankshaft.
- Insert the tool with the oil seal on the crankshaft
until it comes into contact with the crankcase.
- Orientate the oil seal by inserting the bracket
which is part of the specific tool.
- Tighten the threaded bar onto the crankshaft as
far as it will go.
- Use the nut to move the base of the tool until you
can feel the end of the oil seal driving stroke.
- Remove all of the tool components following the
inverse procedure
CAUTION
DO NOT LUBRICATE THE SURFACE FOR KEYING ONTO
THE ENGINE CRANKCASE.
CAUTION
ORIENT THE OIL GUARD BY POSITIONING THE CHAIN
HOUSING CHANNEL FACING DOWNWARDS. WHEN THE
POSITION IS REACHED, DO NOT RETRACT THE OIL
GUARD. FAILURE TO COMPLY WITH THIS RULE CAN
CAUSE A WRONG POSITIONING OF THE OIL GUARD
SHEATH.
CAUTION
FAILURE TO COMPLY WITH THIS ASSEMBLY PROCE-
DURE CAN SERIOUSLY DAMAGE THE ENGINE DUE TO
THE WRONG TENSIONING OF THE OIL PUMP CONTROL
CHAIN.
Specific tooling
020622Y Transmission-side oil guard punch
MSS X9 Evolution 250 Engine
ENG - 137
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