Honda MBX50, Workshop Manual

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HONDA
� MBXSO, MBX80
SERVICE INFORMATION
GENERAL INSTRUCTIONS
REAR WHEEL/BRAKE/SUSPENSION
• Do not remove rivets, nuts and pins from the rim, spoke plate and hub.
• Never ridte on the rim or try to bend wheel.
TOOLS
Special
Shock Compressor Attachment
Common
Shock Compressor
Attachment 37 x 40 mm
Driver A
Pilot 12 mm
TORQUE VALUES
Fin al driven sprocket nuts
Rear brake torque link nuts
Rear axle nut
Rear brake arm bolt
Rear shock absorber mounting bolts and nuts
Swingarm pivot bolt
Rear shock absorber linkage pivot bolt
SPECIFICATIONS
ITEM
Axle runout
Rear wheel rim runout
Radial
Axial
Rear brake drum I.D.
Rear brake lining thickness
Rear shock absorber spring free length
TROUBLESHOOTING
Wobble or vibration
1. Distorted rim
2. Loose wheel bearing
3. Distorted spoke
4. Faulty tire
5. Loose axle
6. Worn swingarm bushing
7. Loose swingarm pivot bolt
Soft suspension
1. Weak spring
2. Shock absorbers fluid leaks
Hard suspension
1. Bent shock absorber
07967-G E20000
07959-3290001
07746-0010200
07749-0010000
077 46-0040200
40-50 N.m (4.0-5.0 kg-m, 29-36 ft-lb)
18-25 N.m (1.8-2.5 kg-m, 13-18 ft-lb)
55-70 N.m (5.5-7.0 kg-m, 40-51 ft-lb)
8-12 N.m (0.8-1.2 kg-m, 6- 9 ft-lb)
27-33 N.m (2.7-3.3 kg-m, 20-24 ft-lb)
70-85 N.m (7.0-8.5 kg-m, 51-62 ft-lb)
40-50 N.m (4.0-5.0 kg-m, 29-36 ft-lb)
STANDARD mm (in) SERVICE LIMIT mm (in)
-
0.20 {0.008)
-
2.0
{0.08)
-
2.0 {0.08)
110.0 {4.33)
111.0
{4.37)
4.0
(0.16) 2.0
(0.08)
137.5
(5.41) 135
{5.3)
Suspension noise
1. Shock case binding
2. Loose fasteners
Poor brake performance
1. Brake not adjusted properly
2. Worn brake linings
3. Contaminated brake linings
4. Worn brake cam
5. Worn brake drum
6. Brake arm not properly installed
7. Worn brake shoes at cam contacting faces
13-2