2012 Hero Passion Pro Technical Analysis & Specification Breakdown
Built around Hero's sport motorcycle platform, the 2012 Hero Passion Pro pairs a 97.5 cc (6 cu in) air-cooled single cylinder, four-stroke architecture with road-focused gearing. In factory specification, peak output is rated at 7.4 HP (5.4 kW) at 7,500 rpm while maximum torque reaches 8 Nm (5.9 lb-ft) at 4,500 rpm, transferring power to the rear wheel through a 4-speed gearbox and chain final drive. With a specific output of 75.9 HP per liter and a 3,000 rpm working window between peak torque (4,500 rpm) and peak power (7,500 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 Passion Pro measures 131 kg (289 lbs) wet (curb), translating to a power-to-weight ratio of 0.06 HP/kg (17.7 kg per horsepower). Rider ergonomics and chassis geometry center around a 1,235 mm (48.6 in) wheelbase engineered for quick, flickable steering geometry. The 12.8-liter (3.4 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Within MotoLibrary's Hero archive, this model family spans 5 indexed model years from 2012 to 2023, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Specific Output
75.9 HP/L
Power-to-Weight
0.06 HP/kg (17.7 kg/HP)
Power Band Window
4,500–7,500 rpm
Engine
Displacement97.5 ccm (5.95 cubic inches)
Engine TypeSingle cylinder, four-stroke
Engine DetailsSingle cylinder, four-stroke
Power7.4 HP (5.4 kW)) @ 7500 RPM
Torque8.0 Nm (0.8 kgf-m or 5.9 ft.lbs) @ 4500 RPM
Compression9.0:1
Bore x Stroke50.0 x 49.5 mm (2.0 x 1.9 inches)
Fuel SystemCarburettor
Fuel ControlOverhead Cams (OHC)
IgnitionDigital CDI
CoolingAir
Transmission
Gearbox4-speed
Final DriveChain (final drive)
ClutchMultiplate, wet
DrivelineConstant mesh
Chassis
Frame TypeTubular double cradle
Front SuspensionTelescopic hydraulic shock absorbers
Rear SuspensionSwing arm with hydrualic shock absorbers
Wheelbase1235 mm (48.6 inches)
Ground Clearance159 mm (6.3 inches)
Wheels & Brakes
Front Tyre2.75-18
Rear Tyre3.00-18
Front BrakesSingle disc
Front Brake Ø240 mm (9.4 inches)
Rear BrakesExpanding brake (drum brake)
Rear Brake Ø130 mm (5.1 inches)
Dimensions & Weight
Dry Weight120.0 kg (264.6 pounds)
Weight incl.131.0 kg (288.8 pounds)
Power/Weight0.0614 HP/kg
Overall Height1060 mm (41.7 inches)
Overall Length1980 mm (78.0 inches)
Overall Width725 mm (28.5 inches)
Fuel Capacity12.80 litres (3.38 US gallons)
Reserve Fuel1.00 litres (0.26 US gallons)
Other
StarterElectric & kick
Color OptionsGreen, blue, red, black, silver
InstrumentsDigital/Analog
Electrical12Volt 3Ah battery
Notes
Optionally without electric start. Sold in India. Brand previously called Hero Honda.
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.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
