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98 Servicing Your Honda
Piston/Piston Rings/Piston Pin
3. Install the piston (3) with the “ż” mark (4) and/
or the large valve recesses (5) facing the intake
side of the engine.
Apply molybdenum disulfide oil (a mixture of
1/2 engine oil and 1/2 molybdenum disulfide
grease containing more than 3% molybdenum
disulfide additive Moly Paste 77) to the piston
pin (6) outer surface. Apply engine oil to the
piston pin hole inner surface. Install the piston
pin and new piston pin clips (7).
NOTICE
Be careful not to damage or give a shock to the
piston pin.
Use new pin clips. Never reuse old clips.
Do not let the clips fall into the crankcase.
Do not align the piston pin clip end gap with the
piston cutout (8).
1. Clean the cylinder mating surfaces (1) of the
crankcase, being careful not to let any material
fall into the crankcase.
2. Remove the shop towels.
3. Install the dowel pins (2) and a new cylinder
gasket (3).
NOTICE
Do not let the dowel pins fall into the crankcase.
(3) piston (5) large valve recesses
(4) “ ” mark
(4)
(5)(3)
(6) piston pin (8) piston cutout
(7) piston pin clips (new)
(7)
(8)
(7)
(6)
(7)
Cylinder Installation
(1) crankcase mating surface
(2) dowel pins (3) cylinder gasket (new)
(1)
(3)
(2)
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