2007 UM PowerMax 150 XX Technical Analysis & Specification Breakdown
Engineered by UM for the scooter motorcycle segment, the 2007 UM PowerMax 150 XX relies on a 149 cc (9.1 cu in) single cylinder, four-stroke powerplant. Internal engine geometry specifies a bore and stroke of 62.0 x 49.5 mm (2.4 x 1.9 inches) with a 9.2:1 compression ratio.
On the scales, the PowerMax 150 XX measures 103.9 kg (229 lbs) dry. Rider ergonomics and chassis geometry center around a 762 mm (30 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops, combined with a 1,372 mm (54 in) wheelbase engineered for quick, flickable steering geometry. The 6.43-liter (1.7 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Within MotoLibrary's UM archive, this model family spans 2 indexed model years from 2006 to 2007, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Standover Height
762 mm (30 in)
Engine
Displacement149.0 ccm (9.09 cubic inches)
Engine TypeSingle cylinder, four-stroke
Engine DetailsSingle cylinder, four-stroke
Compression9.2:1
Bore x Stroke62.0 x 49.5 mm (2.4 x 1.9 inches)
Fuel SystemCarburettor
IgnitionCDI
Transmission
GearboxAutomatic
Final DriveBelt (final drive)
Performance
ExhaustDimonza carbon fiber exhaust system
Chassis
Front SuspensionTelescopic fork
Rear SuspensionHydraulic dual shocks
Wheelbase1372 mm (54.0 inches)
Wheels & Brakes
Front Tyre130/60-13
Rear Tyre130/60-13
Front BrakesSingle disc. Antiblocking Disk System (ABD)
Front Brake Ø221 mm (8.7 inches)
Rear BrakesExpanding brake (drum brake)
Dimensions & Weight
Dry Weight103.9 kg (229.0 pounds)
Seat Height762 mm (30.0 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.
