2007 UM V2S-650R Technical Analysis & Specification Breakdown
Positioned in UM's sport motorcycle lineup, the 2007 UM V2S-650R relies on a 647 cc (39.5 cu in) liquid-cooled v2, four-stroke powerplant. Internal engine geometry specifies a bore and stroke of 85.1 x 62.0 mm (3.4 x 2.4 inches) with a 11.5:1 compression ratio.
On the scales, the V2S-650R measures 208.7 kg (460 lbs) wet (curb). Rider ergonomics and chassis geometry center around a 780 mm (30.7 in) seat height — offering a neutral standover height that accommodates most average-inseam riders without sacrificing cornering clearance, combined with a 1,433 mm (56.4 in) wheelbase engineered for balanced agility and highway composure. The 16.16-liter (4.3 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Within MotoLibrary's UM archive, this model family spans 4 indexed model years from 2007 to 2010, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Standover Height
780 mm (30.7 in)
Engine
Displacement647.0 ccm (39.48 cubic inches)
Engine TypeV2, four-stroke
Engine DetailsV2, four-stroke
Compression11.5:1
Bore x Stroke85.1 x 62.0 mm (3.4 x 2.4 inches)
Valves/Cylinder4
Fuel SystemCarburettor. Mikuni,
Fuel ControlDouble Overhead Cams/Twin Cam (DOHC)
IgnitionCDI
LubricationWet sump forced lubrication
CoolingLiquid
Transmission
Gearbox6-speed
Final DriveChain (final drive)
ClutchMulti plate, wet manual clutch
DrivelineO-ring / X-ring chain final drive
Chain Size520
Performance
Exhaust2 into 1 sport exhaust system tuned for mid range performance
Chassis
Front SuspensionTelescopic fork
Rear SuspensionMonoshock
Wheelbase1433 mm (56.4 inches)
Wheels & Brakes
Front Tyre120/60-ZR17
Rear Tyre160/60-ZR17
Front Tire Pressure2.3 bar (33 psi)
Rear Tire Pressure2.5 bar (36 psi)
Front BrakesDouble disc
Rear BrakesSingle disc
WheelsCast aluminium alloy rims
Dimensions & Weight
Weight incl.208.7 kg (460.0 pounds)
Seat Height780 mm (30.7 inches) If adjustable, lowest setting.
Overall Length2060 mm (81.1 inches)
Overall Width671 mm (26.4 inches)
Fuel Capacity16.16 litres (4.27 US gallons)
Oil Capacity2.80 litres (2.96 US quarts)
Service & Fluids
Engine OilSAE 10W-40 Synthetic 4T (API SL/SN / JASO MA2)
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.
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.
