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Technical Overview
2010 UM GP1-R 125 Technical Analysis & Specification Breakdown
At the heart of the 2010 UM GP1-R 125 scooter motorcycle, UM relies on a 124.5 cc (7.6 cu in) air-cooled single cylinder, four-stroke powerplant. Internal engine geometry specifies a bore and stroke of 52.4 x 57.8 mm (2.1 x 2.3 inches) with a 9.2:1 compression ratio.
On the scales, the GP1-R 125 measures 98 kg (216 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 1,243 mm (48.9 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
760 mm (29.9 in)
Engine
Displacement124.5 ccm (7.60 cubic inches)
Engine TypeSingle cylinder, four-stroke
Engine DetailsSingle cylinder, four-stroke
Compression9.2:1
Bore x Stroke52.4 x 57.8 mm (2.1 x 2.3 inches)
Fuel SystemCarburettor
Fuel ControlSingle Overhead Cams (SOHC)
CoolingAir
Transmission
GearboxAutomatic
Final DriveBelt (final drive)
Chassis
Front SuspensionTelescopic Fork
Rear SuspensionHydraulic Dual Shock
Wheelbase1243 mm (48.9 inches)
Wheels & Brakes
Front Tyre120/70-12
Rear Tyre120/70-12
Front BrakesSingle disc
Rear BrakesExpanding brake (drum brake)
Dimensions & Weight
Dry Weight98.0 kg (216.1 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.
