Triumph Trophy TR6C Special (1970)

The Triumph Trophy TR6C Special is a motorcycle that was manufactured in 1970. It has a four-stroke parallel twin-cylinder engine with a capacity of 649cc and a compression ratio of 8.5:1. The bike is air-cooled and its induction is provided by a 30mm Amal concentric carburetor. It has electric starting and is capable of producing 32.8kW/44.6hp at 6500rpm. The clutch is multi-plate, wet, and cable-operated, and it has a four-speed constant mesh transmission with a chain final drive. The bike has a brazed lug, full cradle, single downtube frame, and a telescopic fork, hydraulic damping front suspension. The rear suspension is a swingarm, 2 x Girling dampers setup. The front brakes are SLS drum-type, full width, eight inches in diameter, and the rear brakes are one-sided, seven inches in diameter, SLS drum-type. The front tyre is 3.25 x 19, and the rear tyre is 4.00 x 18, both made by Dunlop. The bike is 2140mm long, 700mm wide, with a 1400mm wheelbase, 825mm seat height, and 127mm ground clearance. It weighs 173kg dry and 196kg wet, and has a fuel capacity of 11.3L in the US and 18L in the UK and export markets.

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Technical specifications:

Make Model: Triumph Trophy TR6C Special

Year: 1970

Engine: Four stroke, parallel twin cylinder, OHV

Capacity: 649 cc / 39.6 cu in

Bore x Stroke: 71 x 82 mm

Compression Ratio: 8.5:1

Cooling System: Air cooled

Induction: 30 mm Amal concentric carburetor

Ignition: Battery and coil, Lucas

Starting: Electric

Max Power: 32.8 kW / 44.6 hp @ 6500 rpm

Clutch: Wet, multi-plate, cable operated

Transmission: 4 Speed constant mesh

Final Drive: Chain, 106 links

Gear Ratios: 1st 11.80 / 2nd 8.17 / 3rd 6.76 / 4th 5.84:1

Frame: Brazed lug, full cradle, single downtube

Front Suspension: Telescopic fork, hydraulic damping

Rear Suspension: Swingarm, 2 x Girling dampers

Front Brakes: SLS drum, full width, 8″

Rear Brakes: SLS drum, one-side, 7″

Front Tyre: 3.25 x 19, Dunlop

Rear Tyre: 4.00 x 18, Dunlop

Dimensions: Lenght: 2140 mm / 84 in Width: 700 mm / 27.5 in

Wheelbase: 1400 mm / 54.5 in

Seat Height: 825 mm / 32.5 in

Ground Clearance: 127 mm / 5.0 in

Dry Weight: 173 kg / 380 lbs

Wet Weight: 196 kg / 432 lbs

Fuel Capacity: US: 11.3 L / 3.0 US gal / 2.5 Imp gal / UK & Export: 18 L / 4.8 US gal / 4.0 Imp gal