Johnson J10RLSRD Service Manual page 193

POWERHEAD
DISASSEMBLY - 25/30
IMPORTANT: Remove the lower main bearing
only if it needs to be replaced.
Using external retaining ring pliers, remove the
lower bearing retaining ring. Using an appropriate
bearing separator place separator flats against the
bearing. Support the bearing and separator and
press crankshaft from bearing.
Remove the rings from the pistons using piston
ring expanders. DO NOT try to save the rings.
Install a complete set of new rings at reassembly.
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Using Retaining Ring Pliers or equivalent,
remove the wrist pin retaining rings. Discard the
rings.
192
The fit between the wrist pin to bosses of the pis-
ton is loose on both sides. Push the wrist pin
through to free the piston from the connecting rod.
If necessary, use Piston Cradle, PIN 326573, and
Wrist Pin Pressing Pin, PIN 326356. With the pis-
ton skirt flush with the cradle, press out the wrist
pin using an arbor press. Be careful not to lose
any of the 28 needle bearings or the two wrist pin
washers. If any of the needle bearings are worn or
lost, replace bearing assembly.
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