Table of Contents
Advertisement
ENGINE / TRANSMISSION
Valve Sealing Test
1.
Clean and dry the combustion chamber area.
2.
Pour a small amount of clean solvent into each port and
check for leakage around each valve. The valve seats
should hold fluid with no seepage for at least 15 seconds.
Cylinder Removal
Follow engine disassembly procedures to remove cylinder head.
1.
Remove the two 6 mm cylinder base bolts (A). The hose
guide is attached to the lower base bolt.
2.
Tap cylinder lightly with a plastic hammer in reinforced
areas only until loose.
B
3.
Rock cylinder forward and backward and lift it from the
crankcase.
4.
Pull the lower chain guide (B)out of cylinder.
5.
Inspect guide for cracks, wear, or damage.
3.22
Cam Chain Tensioner Blade
1.
To remove the tensioner blade (C), remove PVT cover and
drive clutch (refer to PVT Section).
NOTE: Tensioner blade removal is only required for service
of the blade.
2.
Remove bolt (C) securing tensioner blade to crankcase.
A
3.
Inspect blade for cracks, wear, or damage.
Piston Removal
1.
Remove piston circlips and push piston pin out of piston.
If necessary, heat the crown of the piston slightly with a
propane torch. CAUTION: Do not apply heat to the piston
rings. The ring may lose radial tension.
2.
Remove the compression rings, starting with the top ring.
* Using a piston ring pliers: Carefully expand ring and lift it off
the piston. CAUTION: Do not expand the ring more than the
amount necessary to remove it, or the ring may break.
* By hand: Placing both thumbs on end gap of ring and expand
the ring while lifting it off the piston. Use care to not scratch the
ring lands.
3.
Repeat procedure for second ring.
4.
The oil control ring is a three piece design consisting of a
top and bottom steel rail and a center expander section.
Remove top rail first followed by bottom rail and expander.
C
Advertisement
Chapters
Table of Contents
Troubleshooting
