2004 YAMAHA BREEZE belt

PERIODIC MAINTENANCE AND
ADJUSTMENT .........................................8-1
Owner’s manual and tool kit .................8-3
Periodic maintenance/Lubrication ........8-7
Engine oil ............................................8-13
Transmission oil .................................8-21
Spark plug inspection .........................8-27
Engine and V-belt compartment
air filter element cleaning .................8-31
Idle speed adjustment ........................8-41
Valve clearance adjustment ...............8-43
Throttle lever adjustment ....................8-43
Front and rear brake shoe
inspection .........................................8-45
Front brake lever free play
adjustment ........................................8-47
Rear brake adjustment .......................8-55
Drive chain slack check ......................8-57
Drive chain slack adjustment ..............8-59Lubricating and drive chain ................8-63
Draining the V-belt compartment ........8-65
Cable inspection and lubrication ........8-67
Brake lever lubrication ........................8-69
Knuckle shaft, lower arms and
steering shaft lubrication ..................8-69
Wheel removal ...................................8-71
Wheel installation ...............................8-71
Battery ................................................8-73
Replenishing the battery fluid .............8-77
Fuse replacement ...............................8-81
Replacing the headlight bulb ..............8-83
Tail/brake light bulb replacement .......8-87
Headlight beam adjustment ................8-89
Troubleshooting ..................................8-91
Troubleshooting chart .........................8-958
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8-7
EBU00262
PERIODIC MAINTENANCE/LUBRICATION
INITIAL EVERY
ITEM ROUTINE
13661
monthmonths months monthsyear
Valves*• Check valve clearance.
1111
• Adjust if necessary.
• Check condition.
Spark plug• Adjust gap and clean.11111
• Replace if necessary.
Air filter element
• Clean. Every 20–40 hours
(for engine and V-belt
• Replace if necessary. (more often in wet or dusty areas)
compartment)
Carburetor*• Check idle speed/starter operation.
1111
• Adjust if necessary.
Cylinder head cover• Check breather hose for cracks or damage.
111
breather system*• Replace if necessary.
• Check leakage.
Exhaust system*• Retighten if necessary.111
• Replace gasket if necessary.
Fuel line*• Check fuel hose for cracks or damage.
111
• Replace if necessary.
Engine oil• Replace (warm engine before draining).1111
Oil strainer*• Clean.
111
• Replace if necessary.
Drive chain• Check and adjust slack/alignment/clean/lube.11111
Transmission oil• Check oil level/oil leakage.
11
• Replace every 12 months.
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8-8 * It is recommended that these items be serviced by a Yamaha dealer.
** Lithium-soap-based grease.
INITIAL EVERY
ITEM ROUTINE
13661
monthmonths months monthsyear
Brakes*• Check operation.
11111
• Adjust if necessary.
V-belt*• Check operation.
11
• Replace if damage or excessive wear.
Wheels*• Check balance/damage/runout.
1111
• Replace if necessary.
Wheel bearings*• Check bearing assembly for looseness/damage.
1111
• Replace if damaged.
• Check operation.
Steering system*• Replace if damaged.
11111
• Check toe-in.
• Adjust if necessary.
Knuckle shafts/
• Lubricate every 6 months.**111
steering shaft*
Fittings and fasteners*• Check all chassis fittings and fasteners.
11111
• Correct if necessary.
• Check specific gravity.
Battery*• Check breather hose for correct routing.11111
• Correct if necessary.
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8-31
EBU00959
Engine and V-belt case air filter element
cleaning
Both air filter elements should be cleaned at the
specified intervals in the periodic maintenance
chart.
Engine air filter element
NOTE:
There is a check hose at the bottom of the air fil-
ter case. If dust or water collects in this hose,
empty the hose and clean the air filter element
and air filter case.
1. Remove the seat.
2. Remove the breather hose and then loosen
the clamp screw.
3. Remove the air filter case cover.
q
w
e
q
1. Check hose1. Flexible de contrôle1. Manguito de comprobación
1. Air filter case cover
2. Breather hose 3. Clamp
1. Cache du boîtier de filtre à air
2. Reniflard 3. Bride
1. Tapa de la caja del filtro de aire
2. Tubo de ventilación 3. Abrazadera
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8-39
V-belt case air filter element
1. Remove the front cover by removing the
screws and bolts.
2. Remove the air filter element cover.
3. Pull out the air filter element.
4. Tap the air filter element lightly to remove
most of the dust and dirt. Blow out the
remaining dirt with compressed air. If the air
filter element is damaged, replace it.
5. Assemble by reversing the removal proce-
dure. Be sure the air filter element is seated
properly against the case.
2
21
3 3
w
qe
1. Front cover 2. Screw (× 2) 3. Bolt (× 2)1. Cache avant 2. Vis (×2) 3. Boulon (×2)1. Tapa frontal 2. Tornillo (× 2) 3. Tapón (× 2)
1. Element cover 2. Screw 3. Element
1. Cache de l’élément 2. Vis 3. Elément1. Tapa del elemento 2. Tornillo 3. Elemento
5VJ-9-61-08 3/17/03 4:52 PM Page 8-40

8-47
EBU11542
Front brake lever free play adjustment
NOTE:
Before adjusting the brake lever free play,
inspect the front brake shoes.
The front brake lever free play should be adjust-
ed to 5–8 mm at the brake lever pivot. If the free
play is incorrect, adjust it as follows.
1. Remove the front cover by removing the
screws and bolts. (See page 8-39 for
removal and installation procedures.)
2. Remove the V-belt air filter element cover.
(See page 8-39 for removal and installation
procedures.)
3. Remove the front fender by removing the
screws and bolts.
a
ww
q
a. Free playa. Jeua. Juego
1. Front fender 2. Bolt (× 2)
1. Garde-bone avant 2. Boulon (×2)1. Guardabarros dwlantero 2. Tapón (× 2)
5VJ-9-61-08 3/17/03 4:52 PM Page 8-48

8-65
2. Wipe the drive chain dry.
3. Thoroughly lubricate the drive chain with a
special O-ring chain lubricant.
cC
Do not use engine oil or any other lubricants
for the drive chain, as they may contain sub-
stances that could damage the O-rings.
EBU00355
Draining the V-belt compartment
If water leaks into the V-belt compartment such
as when the machine is driven in water, remove
the drain screw on the bottom of compartment
and drain the water. Be sure to drive slowly until
the V-belt becomes dry. If slipping is noticed,
ask a Yamaha dealer to inspect.
q
q
1. O-rings1. Joints toriques1. Juntas tóricas
1. Drain screw
1. Vis de vidange1. Tornillo de drenaje
5VJ-9-61-08 3/17/03 4:52 PM Page 8-66

10-3
Model YFA1
Air filter:
for engine Wet type element
for V-belt compartment Dry type element
Fuel:
Type Regular unleaded gasoline only
Fuel tank capacity 7.0 L
Fuel reserve amount 1.3 L
Carburetor:
Type/manufacturer VM18SH/MIKUNI
Spark plug:
Type/manufacturer CR7HS/NGK
Gap 0.6–0.7 mm
Clutch type: Dry, centrifugal automatic
Transmission:
Primary reduction system Helical gear/Spur gear
Primary reduction ratio 43/14 ×40/17 (7.226)
Secondary reduction system Chain drive
Secondary reduction ratio 32/12 (2.666)
Transmission type V-belt automatic
Operation Centrifugal automatic type
Reverse 49/14 ×49/15 ×40/17 (26.902)
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