Disassembly Of The Timing Gear - APRILIA M192M Workshop Manual

Engines M192M / M191M
4.2.17.

DISASSEMBLY OF THE TIMING GEAR

•
Remove the transmission cover, the driving belt roller,
the sprocket, the oil sump with spring and by-pass pis-
ton, the oil pump pulley cover, the O-ring on the drive
shaft and the washer between the sprockets.
•
Remove the tappets cover.
•
Unscrew the bolts and take off the cylinder guard.
• Slacken the central bolt of the tensioner.
• Remove the attachments.
• Remove the tightener with its gasket.
•
Remove the screw and valve-lifter holder.
• Remove the automatic valve-lifter return spring, and
the valve-lifter with its stop washer.
• Remove the inside hex nut and counterweight.
UPDATING ENGINES M192M / M191M
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