Section 04 ENGINE (2-STROKE)
Subsection 04 (TOP END)
1
F12D0VA
1. Spring
Remove the compression spring no. 19.
1
F12D0WA
1. Remove spring
Unscrew valve piston no. 20 from sliding valve
no. 22.
NOTE: Hold the sliding valve to prevent it from
turning.
2
1
F12D0XA
1. Unscrew piston
2. Hold sliding valve
Remove sliding valve from valve housing.
1
F12D0YA
2 3
1. Valve piston
2. Valve housing
3. Sliding valve
Cylinder Head Cover and Cylinder Head
Disconnect temperature sensor wire and spark
plug cables.
Connect spark plug cables on grounding device.
717 Engines
Remove air intake silencer and support, refer to
AIR INTAKE.
717 and 787 RFI Engines
Remove screws no. 14.
Remove cylinder head cover no. 1.
If shells, sand, salt or any other particles are
present in cylinder head, clean with a vacuum
cleaner.
108 smr2004-Complete Line Up