40
22. Remove bearing halves from lower crankcase and
mark location of each.
LYC060
23. Remove the two screws holding the connecting rod
cap and remove cap, accounting for bearing half.
LYC047
24. Remove crankshaft (A) and counterbalance shaft
(B).
LYC016
25. Remove bearing halves from upper crankcase and
mark location of each.
LYC061
NOTE: The chain can be removed at this point.
26. Remove any carbon build up. Mark piston lobes as
exhaust (A) and intake (B) for assembly purposes,
and push connecting rod and pistons through top of
crankcase.
NOTE: An arrow marks the exhaust side on new
pistons and may be visible if area is cleaned.
NOTE: If there is heavy carbon residue at the top of
the cylinder sleeve, the piston and sleeve can be
removed together. The piston can be pulled down-
ward to avoid moving the piston ring through the
hard deposits on the top of the sleeve (see Removing
Cylinder Sleeve in Servicing Engine Components
sub-section).
27. Remove and discard the four stud bolts.
LYC021
! WARNING
Carbon can build up on the sleeve and must be
removed to prevent carbon from getting into piston
rings and damaging the piston.
CAUTION
Pistons can be removed from the top side only.
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