Ski-Doo Ski Doo MX Z 2005 [1083/1429] Chain tensioner

Ski-Doo Ski Doo MX Z 2005 [1083/1429] Chain tensioner
Section 04 ENGINE (4-TEC)
Subsection 05 (CYLINDER AND CYLINDER HEAD)
ROCKER ARM SHAFT DIAMETER
MINIMUM (NEW) 19.980 mm (.7866 in)
MAXIMUM (NEW)
19.993 mm (.7871 in)
SERVICE LIMIT 19.965 mm (.7860 in)
R1004motr76A
A
A. Measure rocker arm shaft diameter here
Replace any part that shows excessive wear.
Installation
For installation, reverse the removal procedure.
Pay attention to the following details.
CAUTION: Make sure to observe the correct
matching of rocker arm shaft and rocker arm.
When installing the components, make sure
they are fitted exactly in their original position
on their respective cylinder head. Any inver-
sion of the components may cause damage to
the engine.
NOTE: At assembly, position the cylinder to igni-
tion TDC. This will ensure stress-free installation
of the rocker arm shaft.
Apply engine oil on rocker arm shaft.
Position the rocker arm shaft with the notches on
top.
2
R1004motr77A
1
1. Rocker arm shaft
2. Rocker arm shaft notches
Install NEW rocker arm shaft screws no. 45.
Torque as per following procedure:
CAUTION: For this assembly, stretch screws
are used. As the screws have been stretched
from the previous installation, it is very im-
portant to use new screws at assembly.Fail-
ure to replace screws and to strictly follow the
torque procedure may cause screws to loosen
and lead to engine damage.
Torque rocker arm shaft screws to 10 Nm
(88 lbfin).
Torque rocker arm shaft screws to 20 Nm
(177 lbfin).
Finish tightening screws turning an additional
90° rotation with a torque angle gauge.
2
R1004motr78A
1
1. Rocker arm shaft screw
2. Torque angle gauge
CHAIN TENSIONER
Removal
WARNING
Chain tensioner is spring loaded. Take that
into account when removing chain tensioner
plug.
Remove:
air silencer, guard and driven pulley to gain ac-
cess to cylinder 2 chain tensioner
chain tensioner plug no. 10
216 mmr2005-025

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