buell s1 lightning '97 Manuel

 

Number of cylinders

2

Type

4-cycle, 45

 

°

 

V Twin

Horsepower

91 @ 5800 RPM

Torque (foot-pounds)

87 @ 5200 RPM

Compression ratio

10.0 to 1

Bore 

3.500 in.

88.9 mm

Stroke

3.812 in.

96.82 mm

Piston displacement

 

73.4 in.

 

3

 

1203 cc

Oil tank capacity with filter

2.1 quarts

1.90 liters

 

Timing during engine 
cranking

5

 

°

 

 BTDC

Timing with engine at 
RPM listed below and 
V.O.E.S. connected

20

 

°

 

 BTDC

Regular idle 

950-1050 

RPM

(49 State)

1150-1250

RPM

(Calif.)

Fast idle (all models)

2000 RPM

Spark plug gap

0.038-0.045 in.

0.96-1.14 mm

 

NOTE

Service wear limits are given as a guideline for measuring components that are not new. For measurements not given under
SERVICE WEAR LIMITS, see NEW COMPONENTS.

 

Fit in 
guide

Exhaust

0.0015-0.0033 in.

0.038-0.084 mm

0.0040 in.

0.102 mm

Intake

0.008-0.0026 in.

0.020-0.066 mm

0.0035 in.

0.089 mm

Seat width

0.040-0.062 in.

1.02-1.57 mm

0.090 in.

2.29 mm

Stem protrusion from
cylinder valve pocket

1.975-2.011 in.

50.17-51.08 mm

2.031 in.

51.59 mm

 

Free length

2.105-2.177 in.

53.47-55.30 mm

2.105 in. (min)

53.47 mm (min)

Intake

1.751-1.848 in. 
(closed)

72-92 lbs

32.6-41.7 kg

1.286-1.383 in. 
(open)

183-207 lbs

82.9-93.8 kg

Exhaust

1.751-1.848 in. 
(closed)

72-92 lbs

32.6-41.7 kg

1.332-1.429 in. 
(open)

171-195 lbs

77.5-88.3 kg

 

Free length

1.926-1.996 in.

48.92-50.70 mm

1.926 in. (min)

48.92 mm (min)

Intake

1.577-1.683 in. 
(closed)

38-49 lbs

17.2-22.2 kg

1.112-1.218 in. 
(open)

98-112 lbs

44.4-50.7 kg

Exhaust

1.577-1.683 in. 
(closed)

38-49 lbs

17.2-22.2 kg

1.158-1.264 in. 
(open)

91-106 lbs

41.2-48.0 kg

3