Advertisement
Apply engine oil to the piston [1] outer surface and piston
pin hole.
Apply molybdenum oil solution to the piston pin [2] outer
surface.
Install the piston with the "IN" mark [3] facing the intake
side.
• Large valve recesses [4] facing the intake side.
Install the piston pin and new piston pin clips [5].
• Always replace piston pin clips with new ones.
• Be careful not to drop the piston pin clips into the
crankcase.
• Do not align the piston pin clip end gap with the piston
cut-out [6].
• Make sure that the piston pin clips are firmly seated in
the grooves.
[6]
[5]
[5]
[1]
[5]
[1]
[2]
[4]
[3]
[4]
Clean any gasket material from the cylinder mating
surfaces of the crankcase.
Apply
liquid
sealant
ThreeBond or equivalent) to the cylinder mating surface
of the crankcase side as shown.
5 – 10 mm
(0.2 – 0.4 in)
5 – 10 mm
(0.2 – 0.4 in)
Install the dowel pins [1] and a new gasket [2].
• Be careful not to drop the dowel pins into the
crankcase.
• Align the gasket hole with the pin [3] of the crankcase.
[1]
[2]
Maintenance
(TB1141G
manufactured
[3]
[1]
2-41
by
Advertisement
