Sym Mio 100 Service Manual

13. Brake
13-5
Trouble Diagnosis
Disc Brake
Soft brake lever
1. Air inside the hydraulic system
2. Hydraulic system leaking
3. Worn master piston
4. Worn brake pad
5. Poor brake caliper
6. Worn brake lining/disc
7. Low brake fluid
8. Blocked brake pipe
9. Warp/bent brake disc
10. Bent brake lever
Hard operation of brake lever
1. Blocked brake system
2. Poor brake caliper
3. Blocked brake pipe
4. Seized/worn master cylinder piston
5. Bent brake lever
Uneven brake
1. Dirty brake lining/disc
2. Poor wheel alignment
3. Clogged brake hose
4. Deformed or warped brake disc
5. Restricted brake hose and fittings
Tight brake
1. Dirty brake lining/disc
2. Poor wheel alignment
3. Deformed or warped brake disc
Brake noise
1. Dirty lining
2. Deformed brake disc
3. Poor brake caliper installation
4. Imbalance brake disc or wheel
Drum Brake
Poor brake performance
1. improper brake adjustment
2. worn brake lining
3. worn brake drum
4. worn brake cam
5. improper brake lining installation
6. seized brake cable
7. Dirty brake lining
8. Dirty brake drum
9. brake pad worn in brake cam area.
10. poor contact between brake arm and camshaft
indent
Tight operation or low return speed of brake
lever
1. worn/broken/crack return spring
2. worn drum
3. Dirty brake lining
4. brake seized caused from dirty brake drum
5. seized brake cable
6. worn brake cam
7. improper brake lining installation
Brake noise
1. worn brake lining
2. worn drum
3. Dirty brake lining
4. Dirty brake drum
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Sym Mio 100 Specifications

General

Engine Type	4-stroke, Single Cylinder
Starting System	Electric & Kick
Transmission	CVT
Fuel System	Carburetor
Front Brake	Disc
Rear Brake	Drum
Tires Front	90/90-10
Tires Rear	90/90-10
Length	1760 mm
Height	1070 mm
Wheelbase	1230 mm
Fuel Tank Capacity	5.2 L