S-20
WG972-E2, DF972-E2, WSM
GASOLINE / LPG ENGINE
(4) Fuel System
Adjusting Governor
1. Loosen the governor lever nut (3).
2. Set the throttle valve to the fully "
OPEN
" position with the
governor lever (1), turn the groove on the governor lever shaft (2)
fully clockwise with a screwdriver (to open the governor
completely), and then tighten the nut (3) in this position.
NOTE
■
•
Insert the governor lever to the position 2 mm (
A
) away from the
fork lever shaft end.
W1036105
Adjusting Engine Speed
1. Warm up the engine at a medium speed for 10 to 15 minutes.
2. Engine speed is adjusted to approx. 1500 min
-1
(rpm) by the
speed control lever (3).
3. Throttle valve (1) is closed by hand and engine speed is adjusted
with the throttle adjust screw (2) to 1200 min
-1
(rpm) (1100 to
1300 min
-1
(rpm)).
4. Adjust the low-idling speed adjust screw (4) until the engine
speed reaches 1500 min
-1
(rpm) (1400 to 1600 min
-1
(rpm)) with
the speed control lever (3) in the minimum speed position.
5. Adjust the high-idling speed adjust screw (5) until the engine
speed reaches 3850 min
-1
(rpm) (3850 to 3950 min
-1
(rpm)) with
the speed control lever (3) in the maximum speed position.
W1017430
Tightening torque
Governor lever nut
23.5 to 27.5 N·m
2.4 to 2.8 kgf·m
17.4 to 20.2 ft-lbs
(1) Governor Lever
(2) Governor Lever Shaft
(3) Governor Lever Nut
A : 2 mm (0.079 in.)
B : Open Direction
Lo-idling speed
Factory spec.
1500 min
-1
(rpm)
(1400 to 1600 min
-1
(rpm))
Hi-idling speed
3850 min
-1
(rpm)
(3850 to 3950 min
-1
(rpm))
(1) Throttle Valve
(2) Throttle Adjust Screw
(3) Speed Control Lever
(4) Low-idling Adjust Screw
(5) High-idling Adjust Screw
KiSC issued 01, 2006 A