Valve - SeaDoo Rotax 1503 4-Tec 2005 Engine Shop Manual

Section 01 ENGINES (1503 4-TEC)
Subsection 06 (CYLINDER HEAD)
A. Valve spring length
OUTER VALVE SPRING FREE LENGTH
NEW NOMINAL
SERVICE LIMIT
INNER VALVE SPRING FREE LENGTH
NEW NOMINAL
SERVICE LIMIT
Installation
For installation, reverse the removal procedure.
Pay attention to the following details.
Colored area of the valve spring must be placed
on top.
NOTE: Valve cotters must be properly engaged in
valve stem grooves.
1. Position of the valve spring
82
45.45 mm (1.789 in)
43 mm (1.693 in)
41.02 mm (1.615 in)
38.8 mm (1.499 in)
www.SeaDooManuals.net

VALVE

Removal
Remove valve spring.
Push valve stem then pull valves no. 26 and no. 27
out of valve guides.
1. Intake valve 38 mm
2. Exhaust valve 31 mm
Remove valve stem seal no. 28 with special pliers
such as Snap-on YA 8230.
smr2005-036