2006 Ecosse Heretic C Technical Analysis & Specification Breakdown
Engineered by Ecosse for the naked motorcycle segment, the 2006 Ecosse Heretic C utilizes a 1638.8 cc (100 cu in) v2, four-stroke layout. In factory specification, peak output is rated at 140.8 HP (102.8 kW) while maximum torque reaches 110 Nm (81.1 lb-ft), transferring power to the rear wheel through a 5-speed gearbox and chain final drive. With a specific output of 85.9 HP per liter, the engine character is indicating a tractable, stress-free state of tune focused on everyday usability and broad torque delivery.
On the scales, the Heretic C measures 208.7 kg (460 lbs) dry, translating to a power-to-weight ratio of 0.67 HP/kg (1.48 kg per horsepower). Rider ergonomics and chassis geometry center around a 749 mm (29.5 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops, combined with a 1,537 mm (60.5 in) wheelbase engineered for planted straight-line stability.
Within MotoLibrary's Ecosse archive, this model family spans 2 indexed model years from 2006 to 2007, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Specific Output
85.9 HP/L
Power-to-Weight
0.67 HP/kg (1.48 kg/HP)
Standover Height
749 mm (29.5 in)
Engine
Displacement1638.8 ccm (100.00 cubic inches)
Engine TypeV2, four-stroke
Engine DetailsV2, four-stroke
Power140.8 HP (102.8 kW))
Torque110.0 Nm (11.2 kgf-m or 81.1 ft.lbs)
Compression9.6:1
Bore x Stroke98.4 x 108.0 mm (3.9 x 4.3 inches)
Fuel SystemCarburettor. Mikuni 42mm flat slide
Transmission
Gearbox5-speed
Final DriveChain (final drive)
Performance
ExhaustHandcrafted by ECOSSE. 2 into 1
Chassis
Frame TypeCrMo
Rake24.5°
Front SuspensionÖhlins for ECOSSE.
Rear SuspensionÖhlins for ECOSSE,
Wheelbase1537 mm (60.5 inches)
Ground Clearance165 mm (6.5 inches)
Wheels & Brakes
Front Tyre120/70-ZR17
Rear Tyre200/55-ZR17
Front BrakesDouble disc
Front Brake Ø320 mm (12.6 inches)
Rear BrakesSingle disc
Rear Brake Ø260 mm (10.2 inches)
Dimensions & Weight
Dry Weight208.7 kg (460.0 pounds)
Power/Weight0.6748 HP/kg
Seat Height749 mm (29.5 inches) If adjustable, lowest setting.
Other
StarterElectric
Color OptionsClear-coated carbon fiber with black highlight/matte black.
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.
Seat Height
Check the seat height against your inseam and riding posture before choosing a motorcycle.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
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.