Brake System - Honda Magna VF750C Service Manual

Service Information
Troubleshooting
Front Brake Pad Replacement
Front Brake Caliper Removal/
Installation
Front Brake Caliper Disassembly
Assembly
Service I nformation
Inhaled asbestos fibers have been found to cause respiratory disease and cancer. Never use an air hose or dry
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brush to clean brake assemblies. Use an OSHA-approved vacuum cleaner or alternate method approved by OSHA
designed to minimize the hazard caused by airborne asbestos fibers.
A contaminated brake disc, drum, pad or shoe reduces stopping power. Discard contaminated pads/shoes and
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clean a contaminated disc/drum with a high quality brake degreasing agent.
S p i l led b rake fl u i d wi l l seve re ly damage i nstrument lenses a n d pai nted s u rfaces. It is a lso h a rmfu l to some rubber
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pa rts. Be ca refu l whenever you re move the reservo i r cap: m a ke s u re the reservoi r i s h o rizonta l fi rst.
N ever a l low conta m i nates ( d i rt, wate r, etc . ) to get i nto an o pe n rese rvo i r.
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Once the hydra u l ic system has been opened, or if the bra ke fee l spon gy, the syste m m ust be b l e d .
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Always use fresh DOT 4
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fl u i d as they may not be com pati bl e.
Always check brake ope ration before r i d i n g the m oto rcycle.
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Troubleshooting
Front Brake:
Brake Lever Soft Or Spongy
A i r bu bbles i n the hyd ra u l i c system
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Lea ki ng hydra u lic syste m
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Conta m i nated b rake pad/d isc
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Worn ca l i pe r piston seal
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Worn master cyl i nd er piston seal
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Worn b ra ke pad/d isc
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Conta m i n ated ca l i per
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Ca l i pe r n ot s l i d i n g properly
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Low fl u i d level
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Clogged fl u i d passage
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Warped/defo rmed b ra ke d i sc
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Sticking/worn ca l i pe r piston
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Stick i n g/wo rn master cyl i n d e r piston
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Conta m i n ated master cyl i n d e r
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Rear brake:
Poor Brake Performance
I m properly adj u sted brake
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Worn b ra ke l i n i ngs
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Wo rn b ra ke d r u m
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Worn brP.ke c a m
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I m properly i n sta l led brake l i n i ngs
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Brake l i n kage needs l u bri c ation
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Conta m i nated bra ke l i n i n gs
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Conta m i n ated bra ke d r u m
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Worn b ra ke sh oes at cam contact a rea
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I m proper eng ag em ent between brake arm a n d cam
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se rrations
1 4- 1
1 4- 1
1 4-2
1 4-3
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1 4-4
b ra ke fl u i d from a sea led conta i ner when servic i n g the syste m . Do n ot m i x d ifferent types of
1 4.
Bra ke System
Front Master Cylinder Removal/
Installation
Front Master Cylinder Disassembly
Assembly
Rear Brake Panel Disassembly
Assembly
Brake Pedal Removal/Installation
Brake Lever Hard
Clogged/restricted b ra ke system
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Sticki n g/wo rn ca l i pe r piston
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Ca l i pe r not s l i d i n g properly
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Clogged/restricted fl u i d passage
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Wo rn ca l i pe r piston sea l
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Sticki n g/wo rn master cyl i n d e r piston
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Bent b ra ke l eve r
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Brakes Drag
Conta m i nated brake pad/d i sc
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M isa l i g ned wheel
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Worn bra ke pad/d i sc
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Wa rped/deformed b ra ke d i sc
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Ca l i pe r not s l i d i n g properly
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Brake Pedal Hard Or Slow Return
Worn/broke n retu rn spring
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I m properly adj u sted b ra ke
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Sticking b ra ke d r u m d u e to conta m i nation
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Worn b ra ke s hoes at cam co ntact a rea
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B ra ke l i n kage needs l u b ricatio n
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I m properly i nsta l led bra ke l i n i ngs
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Brake Squeaks
Worn brake l i n i n g s
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Worn b ra ke d r u m
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Conta m i nated b ra ke l i n i ng s
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Conta m i n ated bra ke d r um
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1 4-5
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1 4-6
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1 4-7
1 4-8
1 4- 1