Chapter 6 CRANK CASE & CRANK SHAFT
Assembly of Crank Case
Clean the crank case with gasoline, and
check the each part whether damaged
or crack.
Notice:
Smear of oil on sliding surface of each
shaft in crank case after checking.
Cleaning the washer dust of joint face,
and amend the part damage with oil
stone.
Put new crank shaft into right crank
case.
Install the dowel pins in the joint face of
left crank case.
Apply liquid seal in joint surface of left
crank case.
Put crank shaft assembly into left
crank case.
Notice:
Smear the 2-stroke oil to main bearing
and big end of connecting rod.
Note the position of connecting rod.
Install the right crank case.
Tighten all fix bolts in specify torque.
Put left oil seal into L. crank shaft case,
surface depth under 1.0 mm.
Install the new R. oil seal to crank case.
Install oil seal bracket and tighten the
bracket fixing bolt.
Oil seal
Liquid seal
Dowel pins
Fix bolts
Oil seal
bracket
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