Power Train - Yamaha RS90NL Supplementary Service Manual

POWER TRAIN

Model
Transmission:
Type
Range of ratio
Engagement speed r/min
Shift r/min
Sheave distance
Sheave offset
Secondary sheave free play (clearance)
Secondary sheave clearance
V-belt height (standard)
V-belt:
Part number/Manufacturer
Circumference
Width "A"
Wear limit "B"
Primary sheave spring:
Part number
Color code
Diameter
Wire diameter
Preload
Spring rate
Number of coils
Free length
Set length
Primary sheave weight arm:
Part number (with bush)
Weight (without bush and rivets)
MAINTENANCE SPECIFICATIONS
RS90N/RS90NR/RS90RS/RS90GT/RS90MS
V-belt automatic
3.8 ~ 1.0 : 1
3,400 ~ 3,800 r/min (RS90N/RS90NR/RS90RS)
3,300 ~ 3,700 r/min (RS90GT)
3,600 ~ 4,000 r/min (RS90MS)
8,250 ~ 8,750 r/min
267 ~ 270 mm (10.51 ~ 10.63 in)
13.5 ~ 16.5 mm (0.53 ~ 0.65 in)
1.0 ~ 2.0 mm (0.04 ~ 0.08 in)
35.0 ~ 35.8 mm (1.38 ~ 1.41 in)
–0.5 ~ 1.5 mm (–0.02 ~ 0.06 in)
8DN-17641-00/MITSUBOSHI
1,129 ~ 1,137 mm (44.4 ~ 44.8 in)
34.5 mm (1.36 in)
32.5 mm (1.28 in)
90501-582L2 (RS90N/RS90NR/RS90RS)
90501-582L1 (RS90GT)
90501-624L8 (RS90MS)
Green-Silver-Green (RS90N/RS90NR/RS90RS)
Yellow-Silver-Yellow (RS90GT)
Orange-Silver-Orange (RS90MS)
59.5 mm (2.34 in)
5.8 mm (0.228 in) (RS90N/RS90NR/RS90RS/RS90GT)
6.2 mm (0.244 in) (RS90MS)
343 N (34.98 kg, 77.11 lb)
27.0 N/mm (2.75 kg/mm, 154 lb/in) (RS90N/RS90NR/
RS90RS)
24.5 N/mm (2.50 kg/mm, 140 lb/in) (RS90GT)
31.9 N/mm (3.25 kg/mm, 182 lb/in) (RS90MS)
4.66 (RS90N/RS90NR/RS90RS)
4.92 (RS90GT)
5.00 (RS90MS)
86.1 mm (3.39 in) (RS90N/RS90NR/RS90RS)
87.4 mm (3.44 in) (RS90GT)
84.2 mm (3.31 in) (RS90MS)
73.4 mm (2.89 in)
8ES-17605-00 (RS90N/RS90NR/RS90RS/RS90GT)
8BU-17605-20 (RS90MS)
54.63 g (1.928 oz) (RS90N/RS90NR/RS90RS/RS90GT)
45.41 g (1.603 oz) (RS90MS)
102
SPEC