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3.18
ENGINE
Automatic Compression Release Installation
1. Slide spring onto shaft.
2. Apply engine oil to release lever shaft.
The actuator ball must be held outward to allow installation
of the release lever shaft.
If Camshaft Is Removed From Engine:
3. Turn the camshaft until the actuator ball is in the lowest
position and install the release lever shaft.
If Camshaft Is Installed In The Engine:
4. Use a small magnet to draw the actuator ball outward, or
rotate the engine until the cam lobes face upward and install
release lever shaft.
5. Position camshaft as shown at bottom of illustration at
right.
6. Place arm of spring under stop pin as shown and push
release lever inward until fully seated. Do not pre-wind the
spring one full turn or the compression release will not
disengage when the engine starts. Check operation of
mechanism as outlined in Step 1 of Removal (above).
NOTE: When shaft is properly installed, actuator ball will
be held in the “out” position. It is important to note that
spring pressure is very light.
Camshaft Inspection
1. Visually inspect each cam lobe for wear, chafing or
damage.
2. Thoroughly clean the cam shaft, making sure the oil feed
holes are not obstructed.
Stop Pin
Spring in relaxed position
Cam Lobe Height (Intake & Exhaust)
Std: 1.2884-102924” (32.726-32.826 mm)
Limit: 1.2766” (32.426 mm)
Lubrication holes
Lobe Height