1998 YAMAHA T105 brake

39
* Valve(s)Check valve clearance. Adjust if necessary.2222Spark plug Check condition. Clean or replace if necessary.2222Air filterClean. Replace if necessary.22
* CarburetorCheck idle speed/stater operation.
2222
Adjust if necessary.
*
Fuel lineCheck fuel hose and vacuum pipe for cracks or
22damage. Replace if necessary.
Engine oilReplace (Warm engine before draining).22EVERY 2,000 km* Engine oil filterCheck/clean/replace if necessary2222BrakeCheck operation/Adjust if necessay22
Check rear arm assembly for looseness.
* Rear arm pivotCorrect if necessary. Moderately repack every.2
16,000 km***
* WheelsCheck balance/damage/runout/spoke tightness.
22Replace if necessary.
* Wheel bearingsCheck bearing assembly for looseness/damage.
22 2
Replace if damaged.
INITIAL EVERY
ITEM REMARKS
500 km 2,000 km 4,000 km 8,000 km
PERIODIC MAINTENANCE/LUBRICATION
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EAH85201Front brake adjustment
The front brake lever free play should be
adjusted to 8~12 mm at the brake lever
end. Adjustment is accomplished at the
front brake hub. To adjust, turn the adjuster
clockwise to reduce play or counterclock-
wise to increase play.
50
a
A. Free play: 8~12 mm1Adjuster
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Rear brake adjustment
The rear brake pedal free play should be
adjusted to 20~30 mm at the brake pedal
end. Turn the adjuster on the brake rod
clockwise to reduce play or counterclock-
wise to increase play.EUU69800w1. The rear brake pedal adjustment must
be checked whenever the chain is ad-
justed or the rear wheel is removed
and then reinstalled.
2. Check the operation of the brake light
after adjusting the rear brake.
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A. Free play: 20~30 mm1Adjuster
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EAH83301Brake light switch adjustment
The brake light switch is operated by
movement of the brake pedal. To adjust,
hold the main body of the switch so it does
not rotate and turn the adjusting nut.
Proper adjustment is achieved when the
brake light comes on just before the brake
begins to take effect.EAH81601Checking the brake shoes
A wear indicator is provided on each brake.
This indicator allows checking of shoe
wear without disassembling the brake.
Apply the brake and check the position of
the indicator. If the indicator reaches to the
wear limit line, ask a Yamaha dealer to re-
place the shoes.
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1Brake light switch1Wear limit2Indicator
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Drive chain slack adjustment
1. Loosen the rear brake adjuster.
2. Loosen the axle nut.
3. Loosen the sprocket shaft nut and the
axle nut.
4. To tighten the chain, turn the chain ad-
juster clockwise. To loosen the chain,
turn the adjuster counterclockwise and
push the wheel forward. Turn each ad-
juster exactly the same amount to main-
tain correct axle alignment. There are
marks on each side of the swingarm and
a match mark on each chain puller. Use
these marks to align the rear wheel.EUU33301cCToo little chain slack will overload the en-
gine and other vital parts. Keep the slack
within the specified limits.
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1Rear brake adjuster2Axle nut1Axle nut2Sprocket shaft nut
3Chain puller4Chain adjuster
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5. After adjusting, be sure to tighten the
loosened parts.
Tighten the axle nut at specified
torque.
6. Adjust the free play in the brake pedal.
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Tightening torque:
Axle nut:
60 Nm (6.0 m•kg)
Sprocket shaft nut:
80 Nm (8.0 m•kg)
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EAI30601Brake lever and pedal
Lubricate the pivoting parts.EAI30801Center and sidestand
Lubricate the pivoting parts. Check to see
that the center and sidestand move up and
down smoothly.
57
Recommended lubricant:
Yamalube 4 or SAE 20W40 motor oilRecommended lubricant:
Yamalube 4 or SAE 20W40 motor oil
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EAH20501Front fork inspectionEUU65700wSecurely support the motorcycle so there
is no danger of it falling over.Operation check
Place the motorcycle on a level place.
a. Hold the motorcycle in an upright po-
sition and apply the front brake.
b. Stroke the front forks up and down
several times.EUU42500cCIf any damage or unsmooth movement is
found with the front fork, consult a
Yamaha dealer.
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