The following procedure applies to all of the valves.
NOTE:
1. Remove:
2. Disconnect:
3. Remove:
4. Disconnect:
NOTE:
When removing the cylinder head cover, lift it out from between the frame tubes.
5. Remove:
6. Measure:
a. Turn the crankshaft counterclockwise.
b. Align the TDC mark "a" on the generator rotor with the stationary pointer "b" on the generator cover.
c. Check that the cam lobes are positioned as shown in the illustration.
d. Measure the valve clearance with a thickness gauge "1".
Out of specification → Adjust.
7. Adjust: - Valve clearance
a. Loosen the locknut "1".
b. Insert a thickness gauge "2" between the end of the adjusting screw and the valve tip.
c. Turn the adjusting screw "3" in direction "a" or "b" until the specified valve clearance is obtained.
d. Measure the valve clearance again.
e. If the valve clearance is still out of specification, repeat all of the valve clearance adjustment steps until the specified clearance is obtained.
8. Install:
9. Install:
10.Connect:
11.Install:
NOTE:
Fasten the wire harness (to horn), wire harness (to left handlebar switch), front brake light switch lead, right handlebar switch lead, and main switch lead to the frame with a plastic locking tie.
Refer to "CABLE ROUTING" on page 2-33.
12.Install:
13.Connect:
14.Install:
Engine oil and oil filter element
The engine oil level should be checked
before each ride. In addition, the oil
must be changed and the oil filter element
replaced at the intervals specified
in the periodic maintenance and lubrication
chart.
To check the engine oil level
Place the vehicle on a level surface
and hol ...
Removing the valves
The following procedure applies to all of the
valves and related components.
NOTE:
Before removing the internal parts of the cylinder
head (e.g., valves, valve springs, valve seats),
make sure the valves properly seal.
1. Check:
Valve sealing
Leakage at the valve seat Check
the valve
...
Removing the piston
1. Remove:
Piston pin clips "1"
Piston pin "2"
Piston "3"
CAUTION:Do not use a hammer to drive the piston
pin
out.
NOTE:
Before removing the piston pin clip, cover the
crankcase opening with a clean rag to prevent
the piston pin clip from falling in ...