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Technical Overview
2006 UM DTF 90 Technical Analysis & Specification Breakdown
At the heart of the 2006 UM DTF 90 enduro - offroad motorcycle, UM relies on a 86 cc (5.3 cu in) air-cooled single cylinder, four-stroke powerplant. Internal engine geometry specifies a bore and stroke of 47.0 x 49.5 mm (1.9 x 1.9 inches) with a 8.5:1 compression ratio.
On the scales, the DTF 90 measures 62.6 kg (138 lbs) dry. Rider ergonomics and chassis geometry center around a 686 mm (27 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops, combined with a 1,016 mm (40 in) wheelbase engineered for quick, flickable steering geometry. The 5.6-liter (1.5 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Standover Height
686 mm (27 in)
Engine
Displacement86.0 ccm (5.25 cubic inches)
Engine TypeSingle cylinder, four-stroke
Engine DetailsSingle cylinder, four-stroke
Compression8.5:1
Bore x Stroke47.0 x 49.5 mm (1.9 x 1.9 inches)
Fuel SystemCarburettor
CoolingAir
Transmission
Gearbox4-speed
Final DriveChain (final drive)
ClutchAutomatic
Chassis
Front SuspensionInverted telescopic fork
Rear SuspensionSingle gas absorber
Wheelbase1016 mm (40.0 inches)
Wheels & Brakes
Front BrakesSingle disc
Front Brake Ø221 mm (8.7 inches)
Rear BrakesExpanding brake (drum brake)
Dimensions & Weight
Dry Weight62.6 kg (138.0 pounds)
Seat Height686 mm (27.0 inches) If adjustable, lowest setting.
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Seat Height
Check the seat height against your inseam and riding posture before choosing a motorcycle.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
