buell s1 lightning '97 Manual
4-5
OPERATION
Enrichener
The enrichener knob, next to the ignition switch, controls the
opening and closing of the enrichener valve at the carburetor.
opening and closing of the enrichener valve at the carburetor.
1
CAUTION
Avoid idling with the enrichener knob in the full out posi-
tion for periods longer than 30 seconds. Such operation
may cause poor performance, erratic idle, poor fuel econ-
omy and spark plug fouling.
tion for periods longer than 30 seconds. Such operation
may cause poor performance, erratic idle, poor fuel econ-
omy and spark plug fouling.
NOTE
The 1996 C.V. carburetor has an enrichener circuit that will
cause the engine to idle at approximately 2000 RPM with the
engine at normal operating temperature and the enrichener
knob pulled fully out.
cause the engine to idle at approximately 2000 RPM with the
engine at normal operating temperature and the enrichener
knob pulled fully out.
The increase in idle speed is intended to alert the rider that
the engine is warmed up to normal operating temperature
and the enrichener knob should be pushed all the way in.
the engine is warmed up to normal operating temperature
and the enrichener knob should be pushed all the way in.
Continuing to use the enrichener when the engine is at full
operating temperature WILL CAUSE FOULED PLUGS.
operating temperature WILL CAUSE FOULED PLUGS.
IMPORTANT NOTE
This motorcycle features a starter interlock. All the fol-
lowing conditions must be met to operate the engine
starter.
lowing conditions must be met to operate the engine
starter.
●
Engine stop switch on right handlebar control group
must be in the RUN (ignition ON) position.
must be in the RUN (ignition ON) position.
●
Clutch must be disengaged before starting motorcy-
cle in gear. Note that it is not necessary to disengage
clutch before starting the vehicle in neutral.
cle in gear. Note that it is not necessary to disengage
clutch before starting the vehicle in neutral.
●
Side stand must be retracted before the clutch is
engaged if the motorcycle is in gear.
engaged if the motorcycle is in gear.
See
STARTER INTERLOCK
in Section 7 for troubleshoot-
ing information.
COOL ENGINE
OUTSIDE TEMPERATURE COOLER THAN 50
°
F
1.
Set engine stop switch to RUN.
2.
Raise side stand.
3.
Turn fuel supply valve ON.
4.
Turn ignition key switch to IGN.
5.
BE SURE THROTTLE IS CLOSED. Pull enrichener knob
to full out position.
to full out position.
6.
Press electric starter switch to operate starter.
After starting the motorcycle, proceed as follows:
1.
After initial 15-30 second warm-up, ride for 5 minutes or
3 miles with enrichener knob in full out position.
3 miles with enrichener knob in full out position.
2.
After 5 minutes or 3 miles, push enrichener knob in to the
1/2 way position. Ride 2 minutes or 2 miles.
1/2 way position. Ride 2 minutes or 2 miles.
3.
After 2 minutes or 2 miles, push enrichener knob fully in.
COOL ENGINE
OUTSIDE TEMPERATURE WARMER THAN 50
°
F
1.
Set engine stop switch to RUN.
2.
Raise side stand.
3.
Turn fuel supply valve ON.
4.
Turn ignition key switch to IGN.
5.
BE SURE THROTTLE IS CLOSED. Pull enrichener knob
to full out position.
to full out position.
6.
Press electric starter switch to operate starter.
After starting the motorcycle, proceed as follows:
1.
After initial 15-30 second warm-up, ride for 3 minutes or
2 miles with enrichener knob in full out position.
2 miles with enrichener knob in full out position.
2.
After 3 minutes or 2 miles, push enrichener knob in to the
1/2 way position. Ride 2 minutes or 2 miles.
1/2 way position. Ride 2 minutes or 2 miles.
3.
After 2 minutes or 2 miles, push enrichener knob fully in.
WARM OR HOT ENGINE
1.
Set engine stop switch to RUN.
2.
Raise side stand.
3.
Turn fuel supply valve ON.
4.
Turn ignition key switch to IGN.
5.
DO NOT USE ENRICHENER. Open throttle 1/8-1/4.
6.
Press electric starter switch to operate starter.
NOTE
If the engine does not start after a few turns or if one cylinder
fires weakly but engine does not start, it is usually because of
an over-rich (flooded) condition. This is especially true of a
hot engine. If the engine is flooded, push the enrichener knob
fully in, turn ignition key switch to IGN and operate starter with
throttle wide open. Do not “pump” the throttle while starting.
fires weakly but engine does not start, it is usually because of
an over-rich (flooded) condition. This is especially true of a
hot engine. If the engine is flooded, push the enrichener knob
fully in, turn ignition key switch to IGN and operate starter with
throttle wide open. Do not “pump” the throttle while starting.
Figure 4-2. Enrichener Knob Positions
Normal running position
Full out position
1/2 way position
OMF3