Bonneville Performance 1200cc Air-cooled Cafe Racer

ENGINE & TRANSMISSION

  • Type – 2008 Triumph Air/Oil-cooled, 8-valve, DOHC, 360° crank angle parallel-twin
  • Displacement – 1200 cc
  • Bore – 101
  • Stroke – 74
  • Compression – 11:1
  • Max Power – 110 HP @ 9200 rpm Dyna Jet wheel dynamometer
  • Max Torque – 92 LB-FT @ 4,850 rpm Dyna Jet wheel dynamometer
  • Intake System – Twin 45mm Smoothbore Mikuni HSR Carburetors
  • Ignition – Triumph Twin Power 39.5-degree advance BTDC 9200 rpm rev limiter
  • Exhaust – D&D/BP/Custom polished 2-into-2 exhaust system with twin reverse cone silencers
  • Final Drive – RK 525 black and gold O-ring chain
  • Clutch – Barnett wet, multi-plate assist clutch
  • Gearbox – 5-speed

Chassis

  • Frame – Mono-shock tubular steel suspension style mono-shock 26-degree steering head
  • Swingarm – Twin-sided, aluminum – show polished with black striping
  • Front Wheel – Canyon Cycles 12 spoke billet
  • Rear Wheel – Canyon Cycles 12 spoke billet
  • Front Tire – 120/55 Dunlop Q4
  • Rear Tire – 180/55 Dunlop Q4
  • Front Suspension – Öhlins 43 mm USD big piston forks, fully adjustable 4.7 in (120 mm) travel
  • Rear Suspension – Fully adjustable Öhlins TTX mono-shock with integrated reservoir 4.7 in (120 mm)
    rear wheel travel
  • Front Brakes – Twin 310 mm Beringer floating discs, twin Beringer 4-piston radial-mount calipers
  • Rear brakes – Beringer Single 220 mm floating disc, Beringer 2-piston caliper
  • Instrument Display and Functions – Moto gadget multi-functional instrument pack with digital speedometer, analog tachometer, clock, trip computer, rpm top speed per trip, scroll, and mode buttons on handlebars

Bodywork & Paint

  • Omega Racer hand-formed aluminum café style gas tank, seat section, and fairing
  • Paint by Chad Chambers, Daytona Beach

Dimensions & Weights

  • Width – Handlebars – 29 inches
  • Height Without Mirror – 41 inches at the handlebar – 47.5 inches top of the fairing
  • Seat Height – 32 inches
  • Wheelbase – 57 – 59.5 inches
  • Rake – 26 degrees
  • Trail – 3.87 inches
  • Dry Weight – 440 pounds
  • Tank Capacity – 3.5 gallons

Interview with Bill Gatley – Bonneville Performance – Builder

Video Narration by Philippe Danh – Beringer Brakes