Page 331 of 398
8-85
EBU00953
Parking brake adjustment
Parking brake adjustment may be required if the
parking brake does not hold properly.
1. Fully loosen the parking brake cable
adjusting bolt locknut and the adjusting bolt
on the clutch lever.
2. Loosen the adjusting bolt locknut and the
adjusting bolt on the rear brake caliper.
3. Turn the adjusting bolt on the clutch lever
so that cable length ais 46–50 mm.
NOTE:
If the cable cannot be adjusted to specification,
consult a Yamaha dealer.
4. Tighten the adjusting bolt locknut on the
clutch lever.
5. Screw in the adjusting bolt on the brake
caliper by hand until it feels tight, then
screw it out 1/8 turn. Tighten the adjusting
bolt locknut to the specified torque.
q
w
1. Locknut 2. Adjusting bolt1. Contre-écrou 2. Boulon de réglage1. Contratuerca 2. Perno de ajuste
a
a. Cable lengtha. Longueur du câblea. Longitud del cable
5FK-9-64-8 4/8/02 1:26 PM Page 86
Page 337 of 398
8-91
EBU00539
Clutch adjustment
The clutch lever free play should be 5–10 mm. If
the free play is incorrect, adjust as follows.
1. Loosen the locknut.
2. Turn the adjusting bolt so that clutch lever
free play is 5–10 mm.
3. Tighten the locknut.
EBU00350
Drive chain slack check
Inspect the drive chain while all tires are touch-
ing the ground. Check the slack at the position
shown in the figure. The normal vertical deflec-
tion is approximately 15–20 mm. If the deflection
exceeds 20 mm, adjust the chain slack.
q
w
a
a
1. Locknut 2. Adjusting bolt a. Free play1. Contre-écrou 2. Boulon de réglage a. Jeu1. Tuerca de bloqueo 2. Perno de adjuste a. Juego libre
a. 15–20 mm
5FK-9-64-8 4/8/02 1:26 PM Page 92
Page 347 of 398
8-101
EBU00737
Brake and shift pedal/brake and clutch lever
lubrication
Lubricate the pivoting parts of each lever and
pedal.
EBU01018
Front upper and lower arm pivot lubrication
Lubricate the upper and lower arm pivots.
Recommended lubricant:
Lithium-soap-based grease
Recommended lubricant:
Lithium-soap-based grease
(all-purpose grease)
5FK-9-64-8 4/8/02 1:26 PM Page 102
Page 380 of 398
10-2
Model YFZ350
Engine oil (2-cycle):
Type Yamalube R, Castrol R30, A545, A747
Mixing ratio See page 5-15.
Transmission oil:
Type SAE10W-30
Rcommended transmission oil classification: API Service SE, SF, SG type or higher
Quantity
Periodic oil change 1.5 L
Total amount 1.7 L
Radiator:
(Including all routes) 1.5 L
Air filter: Wet type element
10
cC
In order to prevent clutch slippage (since the
engine oil also lubricates the clutch), do not
mix any chemical additives. Do not use oils
with a diesel specification of “CD” or oils of
a higher quality than specified. In addition,
do not use oils labeled “ENERGY CONSERV-
ING
II” or higher.
5FK-9-64-9~11 4/8/02 2:35 PM Page 13
Page 381 of 398
10-3
Model YFZ350
Fuel:
Type Premium unleaded fuel, Premix
Tank capacity 12.0 L
Reserve amount 2.5 L
Carburetor:
Type/quantity VM26SS/2
Manufacturer MIKUNI
Spark plug:
Type/Manufacturer BR8ES/NGK
Spark plug gap 0.7–0.8 mm
Clutch type: Wet, multiple-disc
Transmission:
Primary reduction system Helical gear
Primary reduction ratio 66/23 (2.869)
Secondary reduction system Chain drive
Secondary reduction ratio 41/14 (2.929)
Transmission type Constant mesh 6-speed
Operation Left foot operation
5FK-9-64-9~11 4/8/02 2:35 PM Page 14
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