Ossa TR 280l: review, history, specs

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Ossa-tr-280l-2014-4.jpg
Ossa TR 280l
Manufacturer
Production 2014
Class Trial
Engine
Two-stroke single cylinder inverted admission direct reed crankcase
Bore / Stroke 71.1mm x 71.1mm
Fuel System EFI
Transmission Gear box: Gears

Final Drive: Chain

Clutch: Hydraulic
Suspension Front: Fork with aluminum bars, 40 mm
Rear: Variable progressive system with shock absorber Ohlins TTX adjustable
Brakes Front: Disc diameter 185 mm 4-piston caliper
Rear: Disc diameter 150 mm 2-piston caliper
Front Tire 2.75 x21
Rear Tire 4.00 x18
Wheelbase 52.28 inches (1328 mm)
Seat Height 25.79 inches (655 mm)
Weight 69.0 kg (wet)
Manuals Service Manual


The Ossa TR 280l was a Two-stroke single cylinder inverted admission direct reed crankcase Trial motorcycle produced by Ossa in 2014.

Engine[edit | edit source]

A 71.1mm bore x 71.1mm stroke result in a displacement of just 272.0 cubic centimeters.

Drive[edit | edit source]

The bike has a Gears transmission. Power was moderated via the Hydraulic.

Chassis[edit | edit source]

It came with a 2.75 x21 front tire and a 4.00 x18 rear tire. Stopping was achieved via Disc diameter 185 mm 4-piston caliper in the front and a Disc diameter 150 mm 2-piston caliper in the rear. The front suspension was a Fork with aluminum bars, 40 mm while the rear was equipped with a Variable progressive system with shock absorber Ohlins TTX adjustable. The wheelbase was 52.28 inches (1328 mm) long.

2014 Ossa TR 280l[edit | edit source]

2014 Ossa TR 280l 2014 Ossa TR 280l 2014 Ossa TR 280l 2014 Ossa TR 280l 2014 Ossa TR 280l

The engine of the new TR280i is the culmination of two years of development by the Ossa Race Team “ORT”. Since the revolutionary birth of your engine its unique characteristics have been praised and acknowledged for the flawless behaviour of its electronic injection system regardless of temperature or altitude. The engine possesses unsurpassed smooth and controllable power to enhance any type of riding at any level. For 2014 the TR280i receives a new cylinder head completely redesigned and higher compression to provide a more efficient combustion chamber improving power delivery and pollution emissions. A new “EFI” electronic fuel injection mapping capitalizes on the virtues of the new thermal cycle, to add, improvements to the crankshaft and crankcase have reduce internal friction and vibration. The ECU has been relocated for easier access and increase the air box volume.