Doohan iTango Service Manual page 17

1.Inspection
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Wheel bearings: if front wheel rotation is not smooth or loose, please replace the wheel bearings.
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Bushing
Damaged or scratched-replace.
Inspection of front disc brake
To inspect and adjust the brake block as follows.
1. Inspection
⚫
Shoe block, Front hydraulic brake.
Shiny parts - repair
To polish with raw emery paper
Attention
To clean the shoe block after grinded by raw emery paper.
2. Measurement
⚫
The thickness of the shoe block of front hydraulic brake
Overstep standard value - replacement.
The limited thickness of shoe block: 1.5mm
Attention
⚫
Do not leave oil or butter on shoe block.
⚫
Replace whole shoe block if abrasion is out of limited value for any side of shoe block.
3. Measurement
⚫
Thickness of brake disc
If overstep the standard value - replace the brake disc.
The limited thickness of shoe block: 3 mm
4. Inspection
⚫
Cross section of brake disc.
if adhesive oil - cleaning
To wipe with cloth of lacquer diluent or oil cleaner.
Scratched - maintenance.
To polish the scratched parts with raw emery paper
Front Shock Absorber Assy