10-1
Model YFM50
Dimensions:
Overall length 1,537 mm
Overall width 825 mm
Overall height 915 mm
Seat height 618 mm
Wheelbase 1,030 mm
Ground clearance 70 mm
Minimum turning radius 2,300 mm
Basic weight:
With oil and full fuel tank 115 kg
Engine:
Type Air-cooled 4-stroke, SOHC
Cylinder arrangement Single cylinder, forward-inclined
Displacement 49.0 cm
3
Bore × Stroke 39.0 ×41.4 mm
Compression ratio 10.0 : 1
Starting system Electric starter
Lubrication system Wet sump
EBU00428
SPECIFICATIONS
5YF-9-60 9~ 4/24/03 6:34 PM Page 308
10-2
10
MODEL YFM50
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
5YF-9-60 9~ 4/24/03 6:34 PM Page 309
