Technical specifications
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| Model: |
490 Sand Spider |
| Years: |
1983 |
|
Engine:
|
Single cylinder, two stroke
|
|
Capacity:
|
488 cc / 29.8 cub in.
|
|
Bore x Stroke:
|
86.5 x 83 mm
|
|
Cooling System:
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Air cooled
|
|
Lubrication:
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Oil in fuel, pre-mix
|
|
Recommended Oil:
|
Bel-Ray MC1+
|
|
Oil Capacity:
|
0.60 L / 0.63 US quarts
|
|
Exhaust:
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Upswept, right side
|
|
Fuel System:
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Bing, V54, 40 mm carburetor
|
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Spark Plug:
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Champion N-2, NGK B9ES
|
|
Ignition:
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Motoplat
|
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Starting:
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Kick start
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|
Max Power:
|
39 kW / 53 hp
|
|
Clutch:
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Wet, multi-disc
|
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Transmission:
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5-Speed, wide ratio
|
|
Final Drive:
|
Chain
|
|
Gear Ratio:
|
1st 2.35 / 2nd 2.71 / 3rd 1.30 / 4th 1.04 / 5th 0.84:1
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|
Frame:
|
Single down tube, split cradle, chrome-molydenum
|
|
Front Suspension:
|
Telescopic fork, 42 mm, air assited
|
|
Front Wheel Travel:
|
310 mm / 12.2 in.
|
|
Rear Suspension:
|
Single Öhlins shock
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|
Rear Wheel Travel:
|
325 mm / 12.8 in.
|
|
Front Brakes:
|
Single leading shoe, drum 136 mm
|
|
Rear Brakes:
|
Single leading shoe, drum 160 mm
|
|
Wheels:
|
Aluminum alloy, laced spokes
|
|
Front Tyre:
|
3.00 x 21 in., Metzeler, 4-ply
|
|
Rear Tyre:
|
4.50 x 18 in., Metzeler, 4-ply
|
|
Rake:
|
27°
|
|
Trail:
|
119 mm / 4.70 in.
|
|
Wheelbase:
|
1490 mm / 58.7 in.
|
|
Ground Clearance:
|
372 mm / 14.6 in.
|
|
Seat Height:
|
1010 mm / 40.0 in.
|
|
Wet Weight:
|
110 kg / 243 lbs
|
|
Fuel Capacity:
|
13 L / 3.5 US gal
|
|
Review:
|
Dirt Bike, May 1983
|