Triumph Bonneville 750 T140E America (1979)
The 1979 Triumph Bonneville 750 T140E America motorcycle has a four-stroke, parallel twin, OHV engine with a capacity of 744 cc. It has a compression ratio of 8.6:1 and is cooled by air. It is ignited by a battery/dual coil/dual points/Lucas system and can be started electrically or with a kick. This motorcycle can produce a maximum power output of 40.3 kW at 6200 rpm and has a maximum torque of 56.6 Nm at 5500 rpm.
The Triumph Bonneville 750 T140E America has a wet, multiplate clutch and has a 5-speed transmission. The final drive is a chain with 106 links, and the gear ratios are 4.70:1 in 5th gear, 5.59:1 in 4th gear, 6.58:1 in 3rd gear, 8.63:1 in 2nd gear, and 12.25:1 in 1st gear. The frame is tubular steel, and it has a double front downtube and oil-bearing large tube backbone. The front suspension consists of telescopic forks while the rear suspension is a swingarm with Girling shocks that is 3-way spring preload adjustable.
The Triumph Bonneville 750 T140E America has single 254 mm disc brakes on both the front and rear wheels. The front tire size is 3.25-19, while the rear tire size is 4.00-18. The rake measures 28 degrees and the trail measures 109 mm. Its wheelbase is 1422 mm, and its dimensions are 2220 mm in length and 840 mm in width. This bike has a seat height of 813 mm and is able to carry up to 18.2 liters of fuel. It has a fuel consumption rate of 5.5 L/100 km and can reach speeds of up to 190 km/h.
Technical specifications:
Make Model: Triumph Bonneville 750 T140E America
Year: 1979
Engine: Four stroke, parallel twin, OHV, 2 valves per cylinder
Capacity: 744 cc / 45.4 cu in
Bore x Stroke: 76 x 82 mm
Compression Ratio: 8.6:1
Cooling System: Air cooled
Induction: 2 x 30 mm Amal carburetors
Ignition: Battery / dual coil / dual points / Lucas
Starting: Electric and kick
Max Power: 40.3 kW / 54 hp @ 6200 rpm
Max Torque: 56.6 Nm / 5.77 kgf-m / 41.8 ft-lb @5500 rpm
Clutch: Wet, multiplate
Transmission: 5 Speed
Final Drive: Chain, 106 links
Gear Ratios: 1st 12.25 / 2nd 8.63 / 3rd 6.58 / 4th 5.59 / 5th 4.70:1
Frame: Tubular steel, double front downtubes, oil bearing large tube backbone
Front Suspension: Telescopic forks
Rear Suspension: Swingarm, Girling shocks, 3-way spring preload adjustable
Front Brakes: Single 254 mm disc, 1 piston caliper
Rear Brakes: Single 254 mm disc, 1 piston caliper
Front Tyre: 3.25-19
Rear Tyre: 4.00-18
Rake: 28o
Trail: 109 mm / 4.3 in
Wheelbase: 1422 mm / 56 in
Dimensions: Length: 2220 mm / 87.5 in Width: 840 mm / 33.0 in
Seat Height: 813 mm / 32.0 in
Dry Weight: 200 kg / 441 lbs
Fuel Capacity: 18.2 Litres / 4.8 US gal / 4.0 Imp gal
Consumption: 5.5 L/100 km / 18 km/l / 42 US mpg / 51 Imp mpg
Top Speed: 190 km/h / 118 mph
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