52
Notice
Improperly tightened spark plug can
damage the engine. If a plug is too loose, a
piston may be damaged. If a plug is too
tight, the threadsmay be damaged.
7.
Reinstall the spark plug cap.
VALVE CLEARANCE
Refer to the Safety Precautions on page 40.
Excessive valve clearance will cause noise
and eventual engine damage. Little or no
clearance will prevent the valve from closing
and cause valve damage and power loss.
Check valve clearance when the engine is
cold at the specified intervals.
The checking or adjusting of the clearance
should be performed while the engine is cold.
The clearance will change as the engine
temperature rises.
(1) Crankshaft hole cap
¼ØSad “kk¶V gksy dSi½
(2) Timing hole cap
¼Vkbfeax gksy dSi½
(3) “T” mark
¼^^Vh^^ ekdZ½
(4) Index mark
¼baMSDl ekdZ½
1.
Remove the crankshaft hole cap (1) and
timing hole cap (2).
2.
Remove the cylinder head cover.
3.
Rotate the flywheel counterclockwise
until the “T” mark (3) on the flywheel
lines up with the index mark (4) on the
(3)
(4)
(2)
(1)
