2001 YAMAHA YFM400F wheel

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8-8
* It is recommended that these items be serviced by a Yamaha dealer.NOTE:

Recommended brake fluid: DOT 4
Brake fluid replacement:
1. When disassembling the master cylinder or caliper cylinder, replace the brake fluid. Normally
check the brake fluid level and add fluid as required.
2. On the inner parts of the master cylinder and caliper cylinder, replace the oil seals every two
years.
3. Replace the brake hoses every four years, or if cracked or damaged.
V-belt*

• Check operation.
• Check for cracks or damage every 12 months or
2,400 km whichever comes first.

Wheels*

• Check balance/damage/runout.
• Repair if necessary.

Wheel bearing*

• Check bearing assemblies for looseness/damage.
• Replace if damaged.

Front and rear
suspension*

• Check operation.
• Correct if necessary.

Steering system*

• Check operation/Replace if damaged.
• Check toe-in/Adjust if necessary.

Front axle boots*
• Check operation.
• Replace if damaged.
Fittings and Fasteners*
• Check all chassis fittings and fasteners.
• Correct if necessary.
ITEM ROUTINEINITIAL EVERY
1
month3
months6
months6
months1
year

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Front brake pad inspection
Inspect the brake pads for damage and wear. If
the thickness is less than the specified value,
have a Yamaha dealer replace the pads.NOTE:The wheels need to be removed to inspect the
brake pads. See page 8-107 for removal proce-dures.
EBU00621
Rear brake pad inspection
Inspect the brake pad for damage or wear.
Wear indicator grooves are provided on the
brake pad. These indicators allow checking of
brake pad wear without disassembling the
brake. Inspect the grooves. If they have almost
disappeared, ask a Yamaha dealer to replace
the pad.NOTE:The wheel needs to be removed to inspect the
brake pad. See page 8-107 for removal proce-dures.
a. Wear limit: 1 mm
a. Limite d’usure: 1 mm
a. Límite de desgaste: 1 mm1. Wear indicator (´ 3)
1. Indicateur d’usure (´ 3)
1. Indicador de desgaste (´ 3)

8-107
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Wheel removal
1. Elevate the wheel by placing a suitable
stand under the frame.
2. Remove the nuts from the wheel.
3. Remove the wheel assembly.
1. Tapered nut (´ 4)
1. Écrou conique (´ 4)
1. Tuerca cónica (´ 4)

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Wheel installation
When installing the wheel, reverse the removal
procedure.NOTE:The arrow mark on the tire must point to-ward the rotating direction of the wheel.
1. Tapered wheel nuts are used for both
front and rear wheels. Install the nut with
its tapered side towards the wheel.
2. Tighten the wheel nuts to the specified
torque.
Wheel nut torque:
Front: 55 Nm (5.5 m·kg)
Rear: 55 Nm (5.5 m·kg)
1. Arrow mark
1. Flèche
1. Marca en forma1. Tapered nut
1. Écrou conique
1. Tuerca cónica

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Fuse replacement
1. The fuse cases are under the seat.
2. If a fuse is blown, turn off the main switch
and the switch of the circuit in question.
Then, install a new fuse of the specified
amperage. Turn on the main switch. If the
fuse immediately blows again, consult a
Yamaha dealer.
Specified fuses:
Main fuse: 30 A
Headlight fuse: 15 A
Ignition fuse: 10 A
Auxiliary DC jack fuse: 10 A
Four-wheel-drive fuse: 3 A
Signal fuse (horn): 10 A
1. Main fuse 2. Spare fuse
1. Fusible principal 2. Fusible de rechange
1. Fusible principal 2. Fusible de repuesto1. Fuse box
1. Boîte à fusibles
1. Caja de fusibles

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WARNING
Always use a fuse of the specified rating. Nev-
er use any type of material or object in place of
the proper fuse. An improper fuse can cause
damage to the electrical system which couldlead to a fire.CAUTION:To prevent accidental short-circuiting, turn off
the main switch when checking or replacing afuse.
1. Headlight fuse
2. Ignition fuse
3. Auxiliary DC jack fuse
4. Four-wheel-drive fuse
5. Signal fuse
6. Spare fuse (´ 3)
1. Fusible principal
2. Fusible d’allumage
3. Fusible de connecteur pour accessoires
4. Fusible du système 4x4
5. Fusible de signalisation
6. Fusible de rechange (´ 3)
1. Fusible del faro
2. Fusible del sistema de encendido
3. Fusible de la toma de CC auxiliar
4. Fusible del sistema de tracción en las cuatro ruedas
5. Fusible señalización
6. Fusible de repuesto (´ 3)

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CLEANING AND STORAGE
A. CLEANING
Frequent, thorough cleaning of your machine
will not only enhance its appearance but will
improve its general performance and extend
the useful life of many components.
1. Before cleaning the machine:
a. Block off the end of the exhaust pipe to
prevent water entry. A plastic bag and
strong rubber band may be used.
b. Make sure the spark plug and all filler caps
are properly installed.
2. If the engine case is excessively greasy,
apply degreaser with a paint brush. Do
not apply degreaser to the wheel axles.
3. Rinse the dirt and degreaser off with a
garden hose. Use only enough pressure
to do the job.

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CAUTION:

Excessive water pressure may cause water
seepage and deterioration of wheel bearings,
brakes, transmission seals and electrical de-
vices. Many expensive repair bills have result-
ed from improper high pressure detergent
applications such as those available in coin-
operated car washers.
4. Once the majority of the dirt has been
hosed off, wash all surfaces with warm
water and mild, detergent-type soap. An
old toothbrush or bottle brush is handy
for hard-to-get-at places.
5. Rinse the machine off immediately with
clean water and dry all surfaces with a
chamois, clean towel or soft absorbent
cloth.
6. Clean the seat with a vinyl upholstery
cleaner to keep the cover pliable and
glossy.