At the heart of the 2007 Sym R1-Z 125 scooter motorcycle, Sym pairs a 124.6 cc (7.6 cu in) single cylinder, four-stroke architecture with road-focused gearing. In factory specification, peak output is rated at 10.1 HP (7.4 kW) at 8,500 rpm while maximum torque reaches 9.7 Nm (7.2 lb-ft) at 6,500 rpm. With a specific output of 81.1 HP per liter and a 2,000 rpm working window between peak torque (6,500 rpm) and peak power (8,500 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 R1-Z 125 measures 105 kg (231 lbs) dry, translating to a power-to-weight ratio of 0.1 HP/kg (10.4 kg per horsepower). The 5.5-liter (1.5 US gal) fuel tank supports practical everyday commuting and weekend road stints.
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.
