Yamaha RST90GTY, Service Manual

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90
SPEC
MAINTENANCE SPECIFICATIONS
Suspension spring rate
Front 26.50 N/mm (2.70 kgf/mm, 151.3 lbf/in) (RST90GT)
20.00 N/mm (2.04 kgf/mm, 114.2 lbf/in) (RST90TF)
Rear 2,200 N · mm/degree
(224.33 kgf · mm/degree, 12,561.8 lbf · in/degree)
(RST90GT)
2,800 N · mm/degree
(285.51 kgf · mm/degree, 15,987.7 lbf · in/degree)
(RST90TF)
Suspension wire diameter
Front 8.0 mm (0.31 in) (RST90GT)
7.5 mm (0.30 in) (RST90TF)
Rear 11.2 mm (0.44 in)
Shock absorber: Damping force
Front
Extension 1,019.0 N/0.3 m/s (103.91 kgf/0.3 m/s, 229.07 lbf/0.3 m/s)
(RST90GT)
620.0 N/0.3 m/s (63.22 kgf/0.3 m/s, 139.38 lbf/0.3 m/s)
(RST90TF)
Compression 1,663.0 N/0.3 m/s (169.57 kgf/0.3 m/s, 373.84 lbf/0.3 m/s)
(RST90GT)
1,040.0 N/0.3 m/s (106.05 kgf/0.3 m/s, 233.79 lbf/0.3 m/s)
(RST90TF)
Rear
Extension 927.0 N/0.3 m/s (94.52 kgf/0.3 m/s, 208.39 lbf/0.3 m/s)
(RST90GT)
1,420.0 N/0.3 m/s (144.79 kgf/0.3 m/s, 319.21 lbf/0.3 m/s)
(RST90TF)
Compression 947.0 N/0.3 m/s (96.56 kgf/0.3 m/s, 212.88 lbf/0.3 m/s)
(RST90GT)
1,620.0 N/0.3 m/s (165.19 kgf/0.3 m/s, 364.17 lbf/0.3 m/s)
(RST90TF)
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
Rear guide wheel:
Material High molecular weight polyethylene with rubber
Outside diameter 178.0 mm (7.01 in)
Brake:
Recommended brake fluid DOT 4
Pad thickness 13.0 mm (0.51 in)
Pad wear limit 7.5 mm (0.30 in)
Pad to disc clearance 0.025 ~ 0.115 mm (0.0010 ~ 0.0045 in)
Parking brake pad wear limit 1.2 mm (0.047 in)
Parking brake cable distance 43.5 ~ 46.5 mm (1.713 ~ 1.831 in)
Disc outside diameter 220.0 mm (8.66 in)
Disc thickness 5.0 mm (0.20 in)
Disc minimum thickness 4.5 mm (0.18 in)
Item Description