Crankcase Assembly - Sym MB10A7-A series Service Manual

9. Crankshaft / Crankcase / Shifting Gear / Kick Starter
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Crankcase Assembly

Remove the crankcase gasket and dowel pins.
Clean the gasket residues off the crankcase
contact surface.
Caution
Do not damage the contact surface of the
crankcase.
It is better to wet the gasket residue for
easy scrapping.
Install the main gear shaft and counter gear
shaft onto the right crankcase.
Install the gear shift drum and make the drum
lock plate to the inner side of the shift drum.
Caution
Make sure the thrust washer in the
position.
Install the main shaft shift fork, make the shift
fork guide in the upper shift drum guide groove
and install the shift fork shaft.
Install the counter shaft shift fork, make the
shift fork guide in the lower shift drum guide
groove and install the shift fork shaft.
Caution
The identification mark on the main shift
fork needs to face upward and the mark
on the counter shift fork faces downward
during installation.
Caution
Make sure all the parts move smoothly.
Rotate the gear shift drum to the neutral
gear.
To this chapter contents
Gear shift drum
Main shaft
Gear shift drum
Main shaft shift fork
Dowel pins
Counter shaft
Counter shaft shift fork
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