UM DTF-90 - 2007 Specifications and Reviews

The 2007 UM DTF-90 is a lightweight enduro motorcycle ideal for beginner and amateur off-road riders. Its compact 86cc single-cylinder engine and minimal 62.6kg weight make it nimble on trails and accessible for riders building their dirt bike skills. Known for reliable performance and easy maneuverability, this air-cooled machine excels as an entry-level adventure bike.

2007
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General information

CategoryEnduro / offroad
Year2007
ModelUM DTF-90
 
 

Engine and Transmission Specifications

ClutchAutomatic
Transmission typefinal driveChain
Gearbox4-speed
Cooling systemAir
StarterElectric & kick
Fuel systemCarburettor
Bore x stroke47.0 x 49.5 mm (1.9 x 1.9 inches)
Compression85.0:1
Stroke4
Engine typeSingle cylinder
Capacity:86.00 ccm (5.25 cubic inches)

Physical measures and capacities

Wheelbase1,016 mm (40.0 inches)
Overall length1,600 mm (63.0 inches)
Seat height686 mm (27.0 inches) If adjustable, lowest setting.
Dry weight62.6 kg (138.0 pounds)

UM DTF-90 dimensions and frame

Rear brakesExpanding brake (drum brake)
Front brakes diameter221 mm (8.7 inches)
Front brakesSingle disc
Rear suspensionSingle gas absorber
Front suspensionInverted telescopic fork
 
 

Speed and acceleration

Reserve fuel capacity1.09 litres (0.29 gallons)
Fuel capacity5.60 litres (1.48 gallons)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay

Performance Profile & Rider Fit

Best For

Track5%
City40%
Cornering30%
Daily Riding25%
Touring8%
Passenger5%

Rider Profile

Best ForThis tiny 86cc mini-enduro is best suited to beginners, kids, or casual riders taking their first steps off-road.
PurposeIt's designed for light recreational trail riding and casual backyard or dirt-path fun rather than any serious performance use.
Rider FitIts very low dry weight and low seat height make it easy to handle and confidence-inspiring for smaller or less experienced riders.
CharacterThe DTF-90 is a playful, unintimidating mini dirt bike with an automatic clutch that makes it simple and forgiving to ride.
Not Ideal ForIt is not for taller, heavier, or experienced riders seeking real speed, long-distance touring capability, or serious off-road performance.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2007 UM DTF-90 Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 686mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2007 UM DTF-90, with a cramped knee angle of around 55 degrees and an upright riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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