Yamaha RS90K, Service Manual

Page: 746 / 841

9-15
SPEC
MAINTENANCE SPECIFICATIONS
CHASSIS
Model RS90/RS90R/RSG90/RS90M/RST90/RST90TF
Frame:
Frame material Monocoque (Aluminum)
Seat height 720 mm (28.3 in) (RS90/RS90R/RSG90/RS90M)
700 mm (27.6 in) (RST90/RST90TF)
Luggage box location Front
Steering:
Lock-to-lock angle (left) 29.0° (R ski) 34.5° (L ski) (RS90/RS90R/RSG90/RST90/
RST90TF)
30.1° (R ski) 35.0° (L ski) (RS90M)
(right) 34.5° (R ski) 29.0° (L ski) (RS90/RS90R/RSG90/RST90/
RST90TF)
35.0° (R ski) 30.1° (L ski) (RS90M)
Ski alignment Toe-out
Toe-out size 0 ~ 15 mm (0 ~ 0.59 in)
Caster angle 23°
Ski stance (center to center) 1,086 mm (42.8 in) (RS90/RS90R/RSG90/RST90/
RST90TF)
980 mm (38.6 in) (RS90M)
Ski:
Ski material Plastic
Length 1,021.0 mm (40.20 in) (RS90/RS90R/RS90M)
1,020.0 mm (40.16 in) (RSG90 “USA/Canada”/RST90
“USA/Canada”)
1,073.0 mm (42.24 in) (RSG90 “Europe”/RST90 “Europe”/
RST90TF)
Width 132.0 mm (5.20 in) (RS90/RS90R/RSG90 “USA/Canada”/
RST90 “USA/Canada”)
180.0 mm (7.09 in) (RSG90 “Europe”/RST90 “Europe”/
RST90TF)
182.0 mm (7.17 in) (RS90M)
Ski runner material Steel
Ski cover No
Ski runner wear limit 8 mm (0.31 in)
Plastic ski wear limit 12 mm (0.47 in) (RS90/RS90R)
24 mm (0.95 in) (RS90M/RSG90/RST90/RST90TF)
Ski suspension (front suspension):
Type Independent wishbone
Travel 219.0 mm (8.62 in) (RS90/RS90R/RSG90/RST90/
RST90TF)
175.0 mm (6.89 in) (RS90M)
Spring type Coil spring
Spring rate 23 N/mm (2.35 kg/mm, 131.6 lb/in) (RS90/RS90R/RSG90)
21 N/mm (2.14 kg/mm, 119.8 lb/in) (RS90M)
22.6 N/mm (2.30 kg/mm, 128.8 lb/in) (RST90)
26.5 N/mm (2.70 kg/mm, 151.2 lb/in) (RST90TF)
Wire diameter 8.2 mm (0.323 in) (RS90/RS90R/RSG90)
7.8 mm (0.307 in) (RS90M)
8.0 mm (0.315 in) (RST90)
8.8 mm (0.346 in) (RST90TF)