2005 YAMAHA YFM80R oil type

5-13
cC
8In 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
CONSERVING
II” or higher.
8Make sure that no foreign material enters
the crankcase.
Recommended engine oil type and quantity:
See page 10-2.
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8-17
7. Fill the engine with oil and install the dip-
stick.
cC
Be sure no foreign material enters the
crankcase.
8. Warm up the engine for several minutes at
idle speed. Check for oil leakage while
warming up.
cC
If oil leakage is found, stop the engine imme-
diately and check for the cause.
Recommended oil type:
20W50, 20W40, 15W40, 10W40,
10W30, 5W30
Recommended oil classification:
API Service SE, SF, SG type or higher
Oil quantity:
Periodic oil change:
0.8 L
5TH-9-63 8 17/3/04 11:24 AM Page 8-17

10-1
Model YFM80
Dimensions:
Overall length 1,537 mm
Overall width 841 mm
Overall height 940 mm
Seat height 669 mm
Wheelbase 1,030 mm
Ground clearance 100 mm
Minimum turning radius 2,400 mm
Basic weight:
With oil and full fuel tank 116 kg
Engine:
Type Air-cooled 4-stroke, SOHC
Cylinder arrangement Single cylinder, forward-inclined
Displacement 79 cm
3
Bore × Stroke 47.0 ×45.6 mm
Compression ratio 9.6 : 1
Starting system Electric starter
Lubrication system Wet sump
EBU00428
SPECIFICATIONS
5TH-9-63 9~ 17/3/04 11:24 AM Page 308

10-2
10
MODEL YFM80
Engine oil:
Type
Recommended engine oil classification: API Service SE, SF, SG type or higher
Quantity:
Periodic oil change 0.80 L
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 CONSERVING
II” or higher.
–20° 10° 20° 30° 40°
10W30
10W40
20W40
20W5050°C
0° –10°
5W30
15W40
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10-3
Model YFM80
Final gear oil:
Type SAE 80API “GL-4” Hypoid gear oil
Quantity:
Total amount 0.12 L
Air filter: Wet type element
Fuel:
Type Unleaded gasoline only
For Europe: Regular Unleaded gasoline only
with a research octane number of
91 or higher
Tank capacity 6.8 L
Reserve amount 0.9 L
Carburetor:
Type/manufacturer VM16SH/MIKUNI
Spark plug:
Type/manufacturer CR7HS/NGK
Gap 0.6–0.7 mm
Clutch type: Wet, multiple-disc automatic
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10-5
Model YFM80
Brake:
Front brake type Drum brake
Operation Right hand operation
Rear brake type Drum brake
Operation Left hand and right foot operation
Suspension:
Front Leading arm
Rear Swingarm
Shock absorber:
Front Coil spring/Oil damper
Rear Coil spring/Oil damper
Wheel travel:
Front wheel travel 57 mm
Rear wheel travel 56 mm
Electrical:
Ignition system C.D.I.
Charging system A.C. magneto
Battery type/voltage, capacity 12N7D-3B/12V, 7Ah
Indicator light voltage, wattage ×quantity:
Neutral 12V, 1.7W ×1
Fuse: 5A
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