Technical specifications
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| Model: |
90, 90 SS and 90 Racer |
| Years: |
1963-84 |
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Engine:
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Two stroke, single cylinder
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Capacity:
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88.5 cc / 5.4 cub in
|
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Bore and Stroke:
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47 x 51 mm
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Mixture:
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1:50
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Compression Ratio:
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8.7:1
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Carburettor:
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Dell'Orto SHB 16/10
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Cooling:
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Forced air cooled
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Battery:
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6V
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Induction:
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Rotary valve
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Ignition:
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Flywheel magneto coil
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Starting:
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Kick start
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Spark Plug:
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Bosch W340 T1/T or /U, Champion L86
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Clutch:
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Oil bath, multi plate
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Max Power:
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4.4 kW / 6 hp @ 6000rpm
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Transmission:
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3 gears (4 gears for the SS and Racer)
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Gear ratios for SS and Racer:
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1st 14.74 / 2nd 9.80 / 3rd 7.06 / 4th 5.31:1
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Final Drive:
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Direct drive
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Frame:
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Pressed sheet steel with streamlined monocoque structure
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Front Suspension:
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Coil spring and hydraulic shock absorber
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Rear Suspension:
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Coil spring and hydraulic shock absorber
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Front Brakes:
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125 mm drum
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Rear Brakes:
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150 mm drum
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Wheels:
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Pressed steel flanges, interchangeable, split rims
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Front Tyre:
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3 x 10"
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Rear Tyre:
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3 x 10"
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Dimensions:
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Length: 1665 mm / 65.6 in Width: 670 mm / 26.4 in Height: 1015 mm / 40.0 in
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Wheelbase:
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1180 mm / 46.5 in
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Ground Clearance:
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225 mm / 8.9 in.
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Turning Radius:
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1650 mm / 64.9 in
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Dry Weight:
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73 kg / 161 lbs
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Fuel Capacity:
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5.2 L / 1.3 US gal
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Reserve:
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0.7 L / 0.18 US gal
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Consumption:
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1.8 L/100 km / 55 km/l / 130 US mpg
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Top Speed:
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93 km/h / 57.8 mph
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