Rocker Arm - SeaDoo Rotax 1503 4-Tec 2005 Engine Shop Manual

Torque screws to 10 N•m (89 lbf•in).

ROCKER ARM

Removal
Lock crankshaft with crankshaft locking tool
(P/N 529 035 821), refer to CYLINDER BLOCK
section.
Remove:
– spark plug
– valve cover
– spark plug tube no. 7
1. Spark plug tube
– rocker arm shaft screws no. 8. Discard screws.
smr2005-036
Section 01 ENGINES (1503 4-TEC)
1. Rocker arm shaft screws
– rocker arm shaft no. 9 with rocker arm assem-
bly (exhaust side no. 10 and intake side no. 11).
1. Rocker arm shaft
2. Rocker arms (exhaust side)
3. Rocker arm (intake side)
1. Oil supply from the camshaft to the rocker arm shaft, then to
the rocker arms and finally to the valve adjustment
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Subsection 06 (CYLINDER HEAD)
73