Section 04 ENGINE (2-STROKE)
Subsection 04 (TOP END)
– Replace the inner halves by the appropriate
sleeve tool in the connecting rod bore.
– Insert piston pin into piston until it comes flush
with inward edge of piston hub.
– Warm piston to approximately 50 - 60°C(122-
140°F) and install it over connecting rod.
NOTE: Make sure thrust washers are present
each side of needles.
– Install the shoulder sleeve tool on the opposite
side of the piston pin.
F00B0OA
21
1. Piston pin
2. Shoulder sleeve
– Insert extractor spindle into the piston pin,
screw on extracting nut.
F00B0PA
12
1. Puller installed on the opposite side of the piston pin
2. Tighten extracting nut
– Rotate handle to pull piston pin carefully into the
piston.
Plastic Mounting Device Method
This is an alternate method when no service tool
is available.
Replacement roller bearings are delivered in a con-
venient plastic mounting device. For installation,
proceed as follows:
– Align replacement roller bearing with connect-
ing rod bore.
– Carefully push inner plastic sleeve into con-
necting rod bore; outer plastic ring will release
rollers.
F01D0QA
1
1. Outer ring removal after inner sleeve insertion into bore
– Make sure thrust washers are present each
side of rollers.
F01D0VA
1
1. Thrust washer each side
– Insert piston pin into piston until it comes flush
with inward edge of piston hub.
smr2004-Complete Line Up 119
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