Piston/Connecting Rod - SeaDoo Rotax 1503 4-Tec 2005 Engine Shop Manual

Installation
The installation is essentially the reverse of the re-
moval procedure but, pay attention to the follow-
ing details.
Torque chain tensioner plug screw to 18 N•m
(160 lbf•in).

PISTON/CONNECTING ROD

Removal
Disassemble cylinder block as per procedure in
this section. Refer to CYLINDER BLOCK.
NOTE: It is recommended to measure connecting
rod big end axial play prior to remove connecting
rod. Refer to INSPECTION below.
Remove connecting rod cap screws.
1. Connecting rod screws
NOTE: Before removing the connecting rod caps,
mark them to remember the right position when
reassembling.
Pull piston with connecting rod out of the cylin-
ders.
Remove one piston circlip no. 8 and discard it.
SMR2005-037
Section 01 ENGINES (1503 4-TEC)
1. Piston circlip
NOTE: The removal of both piston circlips is not
necessary to remove piston pin.
Push piston pin no. 9 out of piston.
1. Piston
2. Piston pin
3. Circlip
Detach piston no. 10 from connecting rod.
Inspection
Connecting Rod Big End Axial Play
Using a feeler gauge, measure distance between
butting face of connecting rod and crankshaft
counterweight. If the distance exceeds specified
tolerance, replace the worn part.
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Subsection 07 (CYLINDER BLOCK)
93