Tuning; Clutch - Yamaha VK10W Supplementary Service Manual

TUNING

CLUTCH

High altitude
Specifications
~ 800 m
È Elevation
(~ 2,500 ft)
É Engine idle speed
1,400 ± 100 r/min
Ê Engagement r/min
Approx. 2,400 r/min
Ë Shift r/min
Approx. 8,500 r/min
Ì Main jet
Í Pilot jet , Refer to "HIGH ALTITUDE SETTINGS" in "MAINTENANCE SPECIFICATIONS".
Î Pilot screw
Ï Secondary reduc-
tion ratio (number 20/39 (68 L)
of links)
Ð Primary sheave
90501-550A2
spring
Ñ Color
W-L-W
Ò Free length
82.3 mm (3.24 in)
Ó Preload
196 N (20 kg, 44 lb)
22.1 N/mm
Ô Spring rate
(2.25 kg/mm,
126 lb/in)
Õ Wire diameter
5.5 mm (0.217 in)
Ö Outside diameter
59.5 mm (2.34 in)
8FN-17605-00
× Weight (ID)
(8FN00)
Steel 17.2 (OUT)
Ø Weight rivet
Steel 17.2 with hole
(IN)
Ù Weight bushing
VESPEL TP-8549
Ú Roller outer dia.
15.6 mm (0.61 in)
Û Roller bushing
VESPEL TP-8549
Ü Pri. clutch shim
None
Ý Secondary sheave
90508-60012
spring
Þ Color
P
ß Free length
75 mm (2.95 in)
60° (3-3)
À Preload rate
1,211 kg · mm/rad
Á Wire diameter
6.0 mm (0.236 in)
+ Outside diameter
69.5 mm (2.74 in)
, Sec. torque cam
39°
angle
- Sec. clutch shim
1.0 mm (0.04 in)
600 ~ 1,400 m 1,200 ~ 2,000 m
(2,000 ~ 4,500 ft) (4,000 ~ 6,500 ft)
←
←
Approx. 2,500 r/min
←
←
19/39 (68 L)
←
←
←
←
←
←
←
←
Steel 17.2 with hole Steel 13.3 with hole
(OUT) (OUT)
Steel 17.2 with hole Steel 13.3 with hole
(IN) (IN)
←
←
←
←
←
←
←
←
←
←
←
←
11
INSP
CLUTCH
ADJ
L Blue
W White
1,800 ~ 2,600 m
(6,000 ~ 8,500 ft)
← ←
←
← ←
←
← ←
← ←
← ←
← ←
← ←
← ←
← ←
← ←
Aluminum 13.3 with
hole (OUT)
Aluminum 13.3 with
hole (IN)
← ←
← ←
← ←
← ←
← ←
← ←
← ←
← ←
← ←
← ←
← ←
← ←
P Pink
Y Yellow
2,400 ~ 3,000 m
(8,000 ~ 10,000 ft)
←
Approx. 2,600 r/min
←
←
90501-580A1
L-Y-L
81.4 mm (3.20 in)
←
24.5 N/mm
(2.5 kg/mm,
140 lb/in)
5.8 mm (0.228 in)
←
←
None (OUT)
None (IN)
←
←
←
←
←
←
←
←
←
←
←
←