Page 106 of 396
4-35 1. Special wrench
1. Clé spéciale
1. Llave especial
A. Spring length
A. Longueur du ressort
A. Longitud del muelle
A
NOTE:_ A special wrench can be obtained at a Yamaha
dealer to make this adjustment. _3. The length of the spring changes 1.5 mm per
turn of the adjusting nut.
4. Tighten the locknut to the specified torque.Measurement
A:
Installed length:
Standard: 228.5 mm
Minimum (hard): 218.5 mm
Maximum (soft): 233.5 mm
Tightening torque:
42 Nm (4.2 m·kgf)
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Page 110 of 396
5-1
EBU00113
PRE-OPERATION CHECKS
Before using this machine, check the following points:
ITEM ROUTINE PAGE
BrakesCheck operation, fluid level and fluid leakage.
Fill with DOT 4 brake fluid if necessary.5-5–5-7,
8-47–8-57
ClutchCheck operation, condition and lever free play. 8-67
Parking brakeCheck operation, condition and cable length. 8-59–8-63
FuelCheck fuel level.
Fill with fuel if necessary.5-9–5-11
Engine oilCheck oil level.
Fill with oil if necessary.5-13, 8-17–8-27
Drive chainCheck chain slack and condition.
Adjust if necessary.5-13, 8-69–8-73
ThrottleCheck for proper throttle cable operation and free play. 5-15, 8-45
Wheels and tiresCheck tire pressure, wear and damage.5-17–5-23,
8-85–8-87
Fittings and fastenersCheck all fittings and fasteners. 5-15
Lights and switchesCheck for proper operation.5-15, 8-65,
8-97–8-105
U5YT61.book Page 1 Wednesday, April 7, 2004 3:59 PM
Page 310 of 396
8-59 1. Locknut 2. Adjusting bolt
A. Cable length
1. Contre-écrou 2. Boulon de réglage
A. Longueur de câble
1. Contratuerca 2. Perno de ajuste
A. Longitud del cable
EBU14751
Parking brake adjustment
Parking brake adjustment may be required if the
parking brake does not hold properly. The cable
length
A should be adjusted to 64–68 mm.
1. Release the parking brake by moving the
parking brake lever to the right.
2. Fully loosen the locknut and the adjusting bolt
at the rear brake caliper.
U5YT61.book Page 59 Wednesday, April 7, 2004 3:59 PM
Page 312 of 396
8-61 1. Locknut 2. Adjusting nut
1. Contre-écrou 2.Écrou de réglage
1. Contratuerca 2. Tuerca de ajuste
3. Loosen the locknut on the brake cable.
4. Turn the adjusting nut on the brake cable in
direction
a to increase the cable length or in
direction
b to decrease the cable length.NOTE:_ If the cable cannot be adjusted to specification,
consult a Yamaha dealer. _5. Tighten the locknut on the brake cable.
6. Screw in the adjusting bolt at the rear brake
caliper until it feels tight, and then screw it out
1/8 turn. Tighten the locknut to the specified
torque.
Tightening torque:
Locknut:
16 Nm (1.6 m·kgf)
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Page 374 of 396
10-1
EBU00428
SPECIFICATIONS
MODEL YFM350R
Dimension:
Overall length
Overall width
Overall height
Seat height
Wheel base
Ground clearance
Minimum turning radius1,770 mm
1,095 mm
1,080 mm
820 mm
1,210 mm
115 mm
3,100 mm
Basic weight:
With oil and full fuel tank 180.0 kg
Engine:
Type
Cylinder arrangement
Displacement
Bore
× Stroke
Compression ratio
Starting system
Lubrication systemAir-cooled, 4-stroke, SOHC
Forward inclined single cylinder
349.0 cm
3
83.0
× 64.5 mm
9.20 : 1
Electric starter
Wet sump
U5YT61.book Page 1 Wednesday, April 7, 2004 3:59 PM