Chassis - Yamaha YB50 Service Manual

CHASSIS

Steering system:
Steering bearing type
Front suspension:
Travel of front shock absorber
Free length of shock absorber
spring
<Limit>
Spring/stroke ratio
Oil capacity
Oil grade
Rear suspension:
Shock absorber travel
Length of spring coupling
Spring/stroke ratio
Wheels:
Type of front wheel
Type of rear wheel
Size/material of front wheel
Size/material of rear wheel
Rim run-out limit
Vertical
Lateral
Front disc brake
Type
External diameter and disc
thickness
Thickness of pads
<Limit>
Internal diameter of master cylinder
Internal diameter of calliper
Brake fluid type
Drum brake:
Type
Internal diameter of drum
<Limit>
Lining thickness
<Limit>
Brake levers
Free play of brake lever
(right)/position
Free play of brake lever
(left)/position
MAINTENANCE SPECIFICATIONS
Model
(K
1
(K
2
(K
1
(K
2
Ball bearing
70 mm
226 mm
) 1.12 Kgf/mm
) 1.78 Kgf/mm
3
45 cm ±1
10 W shock absorber oil or equivalent
60 mm
221 mm
) 3.75 Kgf/mm
) 7,10 Kgf/mm
Alloy rim
Alloy rim
12 x 3.5 aluminium
12 x 3.5 aluminium
1.0 mm
1.0 mm
Single
190.0 x 3.5 mm
4 mm
<0.8 mm
11 mm
30.16 mm
DOT 4
Shoes
110 mm
110.5 mm
4.0 mm
2.0 mm
2 ~ 5 mm /at the end of the lever
5 ~ 10 mm /at the end of the lever
2-5
SPEC
YN50R