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MotoLibrary Score
45/100Balanced
Power/Weight
0.59 hp/kg
Torque
5 Nm
Engine
49 ccm
Technical Overview
2006 Honda Smart Dio Z4 Technical Analysis & Specification Breakdown
At the heart of the 2006 Honda Smart Dio Z4 scooter motorcycle, Honda relies on a 49 cc (3 cu in) single cylinder, four-stroke powerplant. In factory specification, peak output is rated at 45.5 HP (33.2 kW) at 8,000 rpm while maximum torque reaches 4.8 Nm (3.5 lb-ft) at 7,000 rpm, transferring power to the rear wheel through a 5-speed gearbox. Internal engine geometry specifies a bore and stroke of 38.0 x 44.0 mm (1.5 x 1.7 inches) with a 12.0:1 compression ratio.
On the scales, the Smart Dio Z4 measures 81 kg (179 lbs) wet (curb), translating to a power-to-weight ratio of 0.56 HP/kg (1.78 kg per horsepower). Rider ergonomics and chassis geometry center around a 1,190 mm (46.9 in) wheelbase engineered for quick, flickable steering geometry. The 4.8-liter (1.3 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.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
