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5-15
EBU00132
Engine mixing oil
If Yamalube “R” oil is not available, select an oil
from the following list.
cC
Never mix two types of oil in the same batch.
Always use the same type of oil to ensure
maximum engine performance.
Recommended oil:
Yamalube “R”
(Yamalube Racing 2-cycle oil)
Mixing ratio: 24:1
Recommended oil Mixing ratio
Castrol R30
A545 20:1
A747
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5-17
EBU01094
Transmission oil
Make sure the transmission oil is at the specified
level. Add oil as necessary. (See pages 8-17–
8-23.)
Recommended oil:
SAE 10W30
Recommended oil classification:
API Service SE, SF, SG type or higher
Oil quantity:
Total amount:
1.7 L
Periodic oil change:
1.5 L
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8-77
3. Refill with the same type of brake fluid.
Mixing fluids may result in a harmful chem-
ical reaction and lead to poor brake perfor-
mance.
4. Be careful that water does not enter the
master cylinder when refilling. Water will
significantly lower the boiling point of the
fluid and may result in vapor lock.
5. Brake fluid may deteriorate painted sur-
faces or plastic parts. Always clean up
spilled fluid immediately.
6. Have a Yamaha dealer check the cause if
the brake fluid level goes down.
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Page 379 of 398
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 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.
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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 damper
Rear shock absorber Coil spring/Gas-oil damper
Wheel travel:
Front wheel travel 230 mm
Rear wheel travel 220 mm
Electrical:
Ignition system C.D.I.
Generator system C.D.I. magneto
Headlight type: Krypton bulb
Bulb voltage, wattage ×quantity:
Headlight 12V, 30 W/30 W ×2
Tail/brake light 12V, 5 W/21 W ×1
5FK-9-64-9~11 4/8/02 2:35 PM Page 16