Engineered by Mash for the allround motorcycle segment, the 2019 Mash Dirt Track 650 pairs a 643.7 cc (39.3 cu in) air-cooled single cylinder, four-stroke architecture with road-focused gearing. In factory specification, peak output is rated at 40 HP (29.2 kW) at 6,000 rpm while maximum torque reaches 46 Nm (33.9 lb-ft) at 4,500 rpm. With a specific output of 62.1 HP per liter and a 1,500 rpm working window between peak torque (4,500 rpm) and peak power (6,000 rpm), the engine character is indicating a tractable, stress-free state of tune focused on everyday usability and broad torque delivery.
On the scales, the Dirt Track 650 measures 163 kg (359 lbs) dry, translating to a power-to-weight ratio of 0.25 HP/kg (4.08 kg per horsepower). The 12-liter (3.2 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Specific Output
62.1 HP/L
Power-to-Weight
0.25 HP/kg (4.08 kg/HP)
Power Band Window
4,500–6,000 rpm
Engine
Displacement643.7 ccm (39.28 cubic inches)
Engine TypeSingle cylinder, four-stroke
Power40.0 HP (29.2 kW)) @ 6000 RPM
Torque46.0 Nm (4.7 kgf-m or 33.9 ft.lbs) @ 4500 RPM
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.
Power
Compare engine output with similar motorcycles if acceleration, highway use or two-up riding matters.
Torque
Torque is useful for judging real-world pull, especially for touring, commuting and loaded riding.
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.
