Buell S1 Lightning User Manual

6-18
SHIFTER FORKS AND DRUM
DISASSEMBLY
1. Remove transmission assembly. See TRANSMISSION
CASE, REMOVAL on page 6-16. Mount transmission
assembly in vise with protected jaws.
2. See Figure 6-17. Remove nut (10), washer (14), screw
(18), drum lock plates (8, 9), detent arm (16), and
spring (17).
3. Remove and discard the three fork cotter pins (4).
Figure 6-17. Shifter Mechanism
1. Shifter fork 3rd and 5th gear
2. Shifter fork 1st and 2nd gear
3. Shifter fork 4th gear
4. Cotter pin
5. Pin, shifter fork
6. Pin, neutral indicator
7. Shifter fork drum
8. Plate, shifter drum locating
9. Plate, reinforcing
10. Nut (2)
11. Shifter shaft assembly
12. Nut
13. Plate, detent
14. Washer
15. Bowed snap ring
16. Detent arm
17. Spring
18. Screw, detent
19. Bearing, mainshaft
20. Bearing countershaft
21. Washer
b0128x6x
4
12
21
11
7
6
15
13
18
17
16
8
9
14
10
20
19
3
5
1
4
5
5
4
2
Flat side

Buell S1 Lightning Specifications

General

Transmission	5-speed
Rear Brakes	Single 230mm disc, single-piston caliper
Compression Ratio	10.0:1
Ignition	Electronic
Engine Type	Air-cooled, four-stroke, 45° V-twin
Rear Suspension	Showa monoshock, adjustable preload, compression and rebound damping
Front Brakes	Single 340mm disc, 6-piston caliper
Seat Height	775 mm
Bore x Stroke	88.8 mm x 96.8 mm
Fuel System	Carburetor
Frame	Tubular steel
Tires	Front: 120/70 ZR17, Rear: 170/60 ZR17