Honda Metropolitan CHF50 Service Manual page 241

REAR WHEEL/BRAKE/SUSPENSION
SERVICE INFORMATION
GENERAL
ACAUTION
Frequent inhalation of brake shoe dust, regardless of material composition could be hazardous to your health.
• Avoid breathing dust particles.
• Never use an air hose or brush to clean brake assemblies. Use an OSHA-approved vacuum cleaner.
• Use genuine Honda replacement bolts for all suspension pivots and mounting points.
SPECIFICATIONS
Unit: mm (in)
ITEM
Minimum tire tread depth
Cold tire pressure
Wheel rim runout Radial
Axial
Left brake lever free play
Brake drum I.D.
Brake lining thickness
STANDARD
-
200 kPa (2.00 kgf/cm
2
, 28 psi)
-
-
10-20(3/8-13/16)
95.0 (3.74)
3.5 (0.14)
SERVICE LIMIT
0.8 (0.03)
-
2.0 (0.08)
2.0 (0.08)
-
95.5 (3.76)
1.0 (0.04)
TORQUE VALUES
Rear axle nut
Rear brake arm bolt
Rear shock absorber mounting bolt
118 N-m (12.0 kgfm, 87 Ibfft)
4.9 N-m (0.5 kgf-m, 3.8 Ibfft)
26 N-m (2.7 kgf-m, 20 Ibf-ft)
Apply oil to the threads/U-nut
ALOC bolt
TROUBLESHOOTING
Rear wheel wobbles
• Bent rim
• Faulty tire
• Axle nut and/or engine mounting bolt not tightened properly
• Loose or worn final gear shaft bearing
• Insufficient tire pressure
• Unbalanced tire and wheel
Soft suspension
• Weak rear shock absorber spring
• Oil leakage from damper unit
• Low tire pressure
Hard suspension
• Bent damper rod
• High tire pressure
Rear suspension noisy
• Loose mounting fasteners
• Faulty shock absorber
• Weak rear suspension bushings
Poor brake performance
• Incorrect adjustment of left brake lever
• Contaminated brake shoes
• Worn brake shoe
• Worn brake cam
• Worn brake drum
• Improperly engaged brake arm serrations
• Faulty equalizer (page 13-20)
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