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Technical Overview
2010 UM Fastwind 125 Technical Analysis & Specification Breakdown
Engineered by UM for the sport motorcycle segment, the 2010 UM Fastwind 125 pairs a 125 cc (7.6 cu in) air-cooled single cylinder, four-stroke architecture with road-focused gearing. Internal engine geometry specifies a bore and stroke of 56.0 x 49.5 mm (2.2 x 1.9 inches) with a 9.0:1 compression ratio.
On the scales, the Fastwind 125 measures 125 kg (276 lbs) dry. Rider ergonomics and chassis geometry center around a 760 mm (29.9 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops, combined with a 1,275 mm (50.2 in) wheelbase engineered for quick, flickable steering geometry. The 17.4-liter (4.6 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Standover Height
760 mm (29.9 in)
Engine
Displacement125.0 ccm (7.63 cubic inches)
Engine TypeSingle cylinder, four-stroke
Engine DetailsSingle cylinder, four-stroke
Compression9.0:1
Bore x Stroke56.0 x 49.5 mm (2.2 x 1.9 inches)
Fuel ControlSingle Overhead Cams (SOHC)
IgnitionCDI
CoolingAir
Transmission
Gearbox5-speed
Final DriveChain (final drive)
Chassis
Front SuspensionTelescopic Fork
Rear SuspensionSwingarm with gas shock absorbers
Wheelbase1275 mm (50.2 inches)
Wheels & Brakes
Rear Tyre110/90-16
Front BrakesSingle disc
Rear BrakesExpanding brake (drum brake)
Dimensions & Weight
Dry Weight125.0 kg (275.6 pounds)
Seat Height760 mm (29.9 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.
