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8-97
3. Thoroughly lubricate the drive chain with a
special O-ring chain lubricant.
cCDo not use engine oil or any other lubricants
for the drive chain, as they may contain sub-
stances that could damage the O-rings.
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8-99
EBU00570Cable inspection and lubricationwInspect cables frequently and replace if dam-
aged. Corrosion can result when the outer
covering of control cables becomes dam-
aged. Cables can also become frayed or
kinked. Operation of controls could be
restricted, which could cause an accident or
injury.Lubricate the inner cables and the cable ends. If
the cables do not operate smoothly, ask a
Yamaha dealer to replace them.
Recommended lubricant:
Engine oil
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9-7
EBU00529B. STORAGE
Long term storage (60 days or more) of your
machine will require some preventive proce-
dures to guard against deterioration. After thor-
oughly cleaning the machine, prepare for stor-
age as follows:
1. Drain the fuel tank, fuel lines and carbure-
tor float bowls.
2. Remove the spark plugs, pour about one
tablespoon of SAE 10W30 or 20W40
motor oil in the spark plug holes and rein-
stall the spark plugs. Ground the spark
plug wires and turn the engine over several
times to coat the cylinder walls with oil.
3. Clean the drive chain thoroughly and lubri-
cate it. (See page 8-95 for details.)
Reinstall the chain or store it in a plastic
bag tied to frame for safekeeping.
4. Lubricate all control cables.
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9-9
5. Block up the frame to raise all wheels off
the ground.
6. Tie a plastic bag over the exhaust pipe out-
let to prevent moisture from entering.
7. If storing in a humid or salt-air atmosphere,
coat all exposed metal surfaces with a light
film of oil. Do not apply oil to any rubber
parts or the seat cover.NOTE:
Make any necessary repairs before storing the
machine.
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10-1
Model YFZ350
Dimensions:
Overall length 1,855 mm
Overall width 1,100 mm
Overall height 1,080 mm
Seat height 800 mm
Wheelbase 1,280 mm
Minimum ground clearance 135 mm
Minimum turning radius 3,600 mm
Basic weight:With oil and full fuel tank 187 kg
Engine:
Engine type Liquid-cooled 2-stroke
Cylinder arrangement Forward-inclined parallel 2-cylinder
Displacement 347 cm
3
Bore × stroke 64 ×54 mm
Compression ratio 6.5 : 1
Starting system Kick starter
Lubrication system Premix
EBU00428
SPECIFICATIONS
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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 LTotal amount 1.7 L
Radiator:(Including all routes) 1.5 L
Air filter: Wet type element
10
cCBe sure to use motor oils that do not contain
anti-friction modifiers. Passenger car motor
oils (often labeled “Energy Conserving”)
contain anti-friction additives which will
cause clutch and/or starter clutch slippage,
resulting in reduced component life and poor
engine performance.
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10-5
Model YFZ350
Suspension:
Front suspension Double wishbone
Rear suspension Swingarm (link suspension)
Shock absorber:
Front shock absorber Coil spring/Oil damperRear shock absorber Coil spring/Gas-oil damper
Wheel travel:
Front wheel travel 230 mmRear wheel travel 220 mm
Electrical:
Ignition system C.D.I.Generator system C.D.I. magnetoHeadlight type: Krypton bulb
Bulb voltage, wattage ×quantity:
Headlight 12V, 30 W/30 W ×2
Tail/brake light 12V, 5 W/21 W ×1
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10-15
Modelo YFZ350
Suspensión:
Suspensión delantera Brazo oscilante doble
Suspensión trasera Brazo oscilante (suspensión de articulación)
Amortiguador:
Amortiguador delantero Resorte en espiral/Amortiguador de aceiteAmortiguador trasero Resorte en espiral/Amortiguador de gasoil
Trayectoria de la rueda:
Trayectoria de la rueda frontal 230 mmTrayectoria de la rueda trasera 220 mm
Sistema eléctrico:
Sistema de encendido C.D.I.Sistema de generador Magneto de C.D.I.Tipo del faro: Lámpara de criptión
Voltaje, vataje de bombilla ×cantidad:
Faro 12V, 30 W/30 W ×2
Luz de cola/freno 12V, 5 W/21 W ×1
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