Minibike, sport · 2009
rt 90 road tracer
Technical Overview
2009 adly rt 90 road tracer Technical Analysis & Specification Breakdown
Positioned in adly's minibike, sport motorcycle lineup, the 2009 adly rt 90 road tracer relies on a 85.8 cc (5.2 cu in) air-cooled engine powerplant. Internal engine geometry specifies a bore and stroke of 47.0 x 49.5 mm (1.9 x 1.9 inches).
On the scales, the rt 90 road tracer measures 78 kg (172 lbs) dry. Rider ergonomics and chassis geometry center around a 1 mm (0 in) wheelbase engineered for quick, flickable steering geometry.
Engine
Displacement 85.80 ccm (5.24 cubic inches)
Engine Details Single cylinder, four-stroke
Bore x Stroke 47.0 x 49.5 mm (1.9 x 1.9 inches)
Fuel System Carburettor
Fuel Control Single Overhead Cams (SOHC)
Ignition C.D.I
Cooling Air
Transmission
Gearbox Automatic
Final Drive Belt
Chassis
Front Suspension Telescopic hydraulic fork
Rear Suspension Oil Damped, single shock
Wheelbase 1,100 mm (43.3 inches)
Wheels & Brakes
Front Tyre 120/90-12
Rear Tyre 120/90-12
Front Brakes Single disc
Rear Brakes Expanding brake (drum brake)
Dimensions & Weight
Dry Weight 78.0 kg (172.0 pounds)
Overall Length 1,620 mm (63.8 inches)
Overall Width 700 mm (27.6 inches)
Oil Capacity 1.00 litres (0.07 quarts)
Other
Starter Electric & kick
Color Options Yellow
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Buying Checklist
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Weight
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Brakes
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Suspension
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Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
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