Yamaha RS90NL, Suplementary Service Manual

Page: 211 / 308

102
SPEC
MAINTENANCE SPECIFICATIONS
Shock absorber: Damping force
Front
Extension 590 N/0.3 m/s (60.2 kg/0.3 m/s, 132.6 lb/0.3 m/s) (RS90N/
RS90NR/RS90RS)
620 N/0.3 m/s (63.2 kg/0.3 m/s, 139.4 lb/0.3 m/s)
(RS90MS)
Compression 240 N/0.3 m/s (24.5 kg/0.3 m/s, 54.0 lb/0.3 m/s) (RS90N/
RS90NR)
190 N/0.3 m/s (19.4 kg/0.3 m/s, 42.7 lb/0.3 m/s) (RS90RS)
990 N/0.3 m/s (100.9 kg/0.3 m/s, 222.6 lb/0.3 m/s)
(RS90MS)
Rear
Extension 910 N/0.3 m/s (92.8 kg/0.3 m/s, 204.6 lb/0.3 m/s) (RS90N/
RS90NR)
1,170 N/0.3 m/s (119.3 kg/0.3 m/s, 263.0 lb/0.3 m/s)
(RS90RS)
1,950 N/0.3 m/s (198.8 kg/0.3 m/s, 438.4 lb/0.3 m/s)
(RS90GT)
790 N/0.3 m/s (80.6 kg/0.3 m/s, 177.6 lb/0.3 m/s)
(RS90MS)
Compression 500 N/0.3 m/s (51.0 kg/0.3 m/s, 112.4 lb/0.3 m/s) (RS90N/
RS90NR)
660 N/0.3 m/s (67.3 kg/0.3 m/s, 148.4 lb/0.3 m/s)
(RS90RS)
1,130 N/0.3 m/s (115.2 kg/0.3 m/s, 254.0 lb/0.3 m/s)
(RS90GT)
460 N/0.3 m/s (46.9 kg/0.3 m/s, 103.4 lb/0.3 m/s)
(RS90MS)
Slide runner:
Thickness 18.3 mm (0.72 in)
Wear limit 10.5 mm (0.41 in)
Track sprocket wheel:
Material Ultra high molecular weight polyethylene
Number of teeth 9 T (RS90N/RS90NR/RS90RS/RS90GT)
7 T (RS90MS)
Rear guide wheel:
Material High molecular weight polyethylene with rubber
Outside diameter 178 mm (7.01 in)
Brake:
Recommended brake fluid DOT 4
Pad thickness 10.2 mm (0.40 in)
Pad wear limit 7.5 mm (0.30 in)
Pad to disk clearance 0.025 ~ 0.115 mm (0.0010 ~ 0.0045 in)
Parking brake cable distance 43.5 ~ 46.5 mm (1.713 ~ 1.831 in)
Disc outside diameter 200 mm (7.87 in)
Disc minimum thickness 4.0 mm (0.16 in)
Model RS90N/RS90NR/RS90RS/RS90GT/RS90MS