Yamaha CE50T Service Manual page 239

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Chassis
Model CG50U
Steering System:
Steering Bearing Type Ball bearing
No./Size of Steel Balls
Upper 5/32 in 26 pcs.
Lower 5/32 in 26 pcs.
Front Suspension:
Front Fork Travel 48.6 mm (1.91 in)
Fork spring Free Length 91.5 mm (3.60 in)
<Limit> <87 mm (3.42 in)>
Spring Rate 11.28 N/mm (1.128 kg/mm, 62.1 Ib/in)
Stroke Zero-48.6 mm (Zero- 1.91 in)
Optional Spring No.
Rear Suspension:
Shock absorber Travel 45 mm (1.77 in)
Spring Free Length 191.5 mm (7.54 in)
Spring Fitting Length 181.5 mm (7.15 in)
Spring Rate: (K1) 38.0 N/mm (3.8 kg/mm, 209.3 Ib/in)
(K2) 49.0 N/mm (4.9 kg/mm, 269.9 Ib/in)
(K3) 74.0 N/mm (7.4 kg/mm, 407.6 Ib/in)
Stroke: (K1) Zero-20 mm (Zero-0.79 in)
(K2) 20-35 mm (0.79-1.38 in)
(K3) 35-45 mm (1.38-1.77 in)
Optional Spring No.
Wheel:
Front Wheel Type Panel wheel
Rear Wheel Type Panel wheel
Front Rim Size/Material '1.85x 10 DC/Steel
Rear Rim Size/Material 1.85x 10 DC/Steel
Rim Runout Limit:
Vertical 2.0 mm (0.08 in) o,
Lateral 2.0 mm (0.08 in)
Front Drum Brake:
Type Leading, Trailing
Drum Inside Diameter 80.0 mm (3.15 in)
<Wear Limit> <80.5 mm (3.17 in)>
Lining Thickness 3.5 mm (0.14 in)
<Wear Limit> <2.0 mm (0.08 in)>
!Rear Drum Brake:
Type Leading, Trailing
Drum Inside Diameter 95.0 mm (3.74 in)
<Wear Limit> <95.5 mm (3.76 in)>
Lining Thickness 3.0 mm (0,12 in)
<Wear Limit> <2.0 mm (0.08 in)> ,
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