Ecosse Heretic Ag - 2006 Specifications and Reviews

The 2006 Ecosse Heretic Ag is a British naked bike powered by a 1868cc V2 engine producing 167 horsepower, designed for experienced riders seeking raw performance and distinctive character. Known for its lightweight 208kg construction and aggressive styling, this machine excels as an uncompromising roadster for those prioritizing thrilling acceleration and rider engagement over practicality.

2006
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General information

CategoryNaked bike
Year2006
ModelEcosse Heretic Ag
 
 

Engine and Transmission Specifications

Gearbox6-speed
StarterElectric
Fuel systemCarburettor. Mikuni 42mm flat slide
Bore x stroke101.6 x 108.0 mm (4.0 x 4.3 inches)
Compression10.3:1
Torque130.00
Power167.62
Stroke4
Engine typeV2
Capacity:1868.24 ccm (114.00 cubic inches)

Physical measures and capacities

Wheelbase1,537 mm (60.5 inches)
Ground clearance165 mm (6.5 inches)
Seat height698 mm (27.5 inches) If adjustable, lowest setting.
Dry weight208.7 kg (460.0 pounds)

Ecosse Heretic Ag dimensions and frame

Exhaust systemHandcrafted by ECOSSE. 2 into 1
Rear brakes diameter260 mm (10.2 inches)
Rear brakesSingle disc. 2-piston calipers
Front brakes diameter320 mm (12.6 inches)
Front brakesDouble disc. 6-piston calipers
Rear tyre dimensions190/70-ZR17
Front tyre dimensions120/70-ZR17
Rear suspensionÖhlins for ECOSSE,
Front suspensionÖhlins for ECOSSE.
Rake (fork angle)25.0°
Frame typeCrome-Molybdenium

Speed and acceleration

Power/weight ratio0.8034 HP/kg

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Color optionsSilver

Performance Profile & Rider Fit

167.6 hp
Peak Power
2.9s
0-60 mph

Best For

Track85%
City40%
Cornering88%
Daily Riding35%
Touring30%
Passenger25%

Rider Profile

Best ForThis is a machine for seasoned, confident riders given its huge V2 power output, low weight, and race-bred chassis components.
PurposeBuilt as a high-performance naked streetfighter meant for aggressive backroad blasts and spirited canyon carving rather than commuting.
Rider FitThe low, aggressive seat height combined with a hard-hitting engine and stiff Öhlins suspension demands strong core and arm strength to control under hard acceleration and braking.
CharacterA raw, boutique hand-built brute with exotic craftsmanship, immense torque, and a visceral, unfiltered riding experience.
Not Ideal ForThis is not a bike for beginners, casual commuters, or anyone seeking plush comfort, wind protection, or long-distance touring ease.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2006 Ecosse Heretic Ag Rider Ergonomics Assessment

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Feet:

At 698mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2006 Ecosse Heretic Ag, with a moderate knee angle of around 110 degrees and a forward-leaning riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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