Page 83

CLUTCH

INSP ADJ

G Green

P Pink

W White Specifications

Model: RS90M ~ 800 m (~ 2,500 ft)

È Elevation

600 ~ 1,400 m (2,000 ~ 4,500 ft)

1,200 ~ 2,000 m (4,000 ~ 6,500 ft)

1,800 ~ 2,600 m (6,000 ~ 8,500 ft)

2,400 ~ 3,000 m (8,000 ~ 10,000 ft)

É Engine idle speed

1,400 ± 100 r/min

Ê Engagement r/min

Approx. 3,900 r/min

Approx. 4,000 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 reduction ratio (number of links)

22/40 (70 L)

Ð Primary sheave spring

90501-603L3

Ñ Color

G-W-G

Ò Free length

89.8 mm (3.54 in)

Ó Preload

441 N (45 kg, 99.2 lb)

Ô Spring rate

27.0 N/mm (2.75 kg/mm, 154 lb/in)

21/40 (70 L)

20/40 (68 L)

Õ Wire diameter

6.0 mm (0.236 in)

Ö Outside diameter

59.5 mm (2.34 in)

× Weight (ID)

8BU-17605-20 (8BU10)

Ø Weight rivet

Steel 13.9 (OUT) Steel 13.9 (IN)

Steel 13.9 (OUT) Steel 10.3 (IN)

Steel 10.3 (OUT) Steel 10.3 (IN)

Steel 10.3 (OUT) None (IN)

Aluminum 10.3 (OUT) None (IN)

Ù Weight bushing

VESPEL TP-8549

Ú Roller outer dia.

16.0 mm (0.63 in)

Û Roller bushing

VESPEL TP-8549

Ü Pri. clutch shim

None

Ý Secondary sheave spring

90508-60012

Þ Color

P

ß Free length

75 mm (2.95 in)

À Preload rate

70° (1-6) 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 angle

39°

- Sec. clutch shim

1.0 mm (0.04 in)

2-64

Profile for 163884

YAMAHA RS90K SNOWMOBILE Service Repair Manual  

YAMAHA RS90K SNOWMOBILE Service Repair Manual  

Profile for 163884
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