3 - 29
CHK
ADJ
ADJUSTING THE ENGINE IDLING SPEED
1. Start the engine and let it warm up for sev-
eral minutes.
2. Remove:
• fuel tank side panels (left and right)
• fuel tank front mounting bolts
3. Lift up the front of the fuel tank.
4. Attach:
• engine tachometer
(onto the spark plug lead of cylinder #1)
5. Measure:
• engine idling speed
Out of specification → Adjust.
6. Adjust:
• engine idling speed
▼▼▼▼ ▼ ▼▼▼▼ ▼ ▼▼▼▼ ▼ ▼▼▼▼ ▼ ▼▼▼▼ ▼ ▼▼▼▼ ▼▼▼
a. Turn the throttle stop screw 1 in direction
a or b until the specified engine idling
speed is obtained.
▲▲▲▲ ▲ ▲▲▲▲ ▲ ▲▲▲▲ ▲ ▲▲▲▲ ▲ ▲▲▲▲ ▲ ▲▲▲▲ ▲▲▲
Engine tachometer
90890-06760
Engine idling speed
1,000 ~ 1,100 r/min
Direction
a
Engine idling speed is
increased.
Direction
b
Engine idling speed is
decreased.