Ossa unveils the 2013 TR280i

Ossa has just released details of the 2013 version of its radical TR280i trials model with a long list of updates on this unique fuel injected two-stroke.

The most significant changes of the 2013 TR280i model are:

- New design of the seat base and rear fender
- New decoration 2013
- New steel shafts for suspension linkage, and bolted instead of elastic ring.
- New bottoming cone for Öhlins rear shock: the new shape is more resistant.
- New setting of the Marzocchi front suspension. Better feeling and smoother.
- New position for the ECU: out of the air filter box to let a better air flow and an easier air filter replacing.
- New air filter (easier to replace)
- New compressed cylinder head.
- New injection map 2013 (more power and progressivity)
- Different version of throttle tube: faster response in shorter angle.
- Wider rear brake hose (better feeling when braking and more effectiveness).
- New unsteam fuel hose (material).
- New chain tensor spring. (stronger).
- Gearbox more precision and better tolerance
            · Less sharp edges
            · Material and hardening treatment
            . New system to fix the gearbox
- Modified water pump internal system, for smoother and longer lasting performance.
- Improved clutch, for better and softer feel:
            · Larger diameter of oil channel on clutch cover
            · Thicker hose.
- New clutch discs: new friction material and longer lasting
- New bolt to drain out the oil from the carter (easier and quicker to change oil of the crankcase)

Specifications

TR280i Engine
Capacity	272.2 cc
Type	Two-stroke single cylinder inverted admission direct reed crankcase
Cooling system	Liquid
Bore x Stroke	76x60 mm
Fuel Supply	EFI Kokusan Batery-less System
Ignition	Kokusan CDI digital magnetic flywheel
Clutch	Hydraulic control
Gear box	6 speed
Transmission	Primary with gears - secondary with chain
Engine lubrication	Mix 0.9% 100% synthetic oil
Gear and clutch lubrication	350 cc. Extreme Gear type oil 75 W

TR280i Chassis
Type	Tubular profile CR-Mo steel with pipe and forged aluminum lower
Front suspension	Fork with aluminum bars - 40 mm diameter Marzocchi adjustable compression and rebound
Rear suspension	Variable progressive system with shock absorber Ohlins TTX adjustable compression and rebound
Front brake	Disc diameter 185 mm 4-piston caliper
Rear brake	Disc diameter 150 mm 2-piston caliper
Front wheel	The 28 radios with 2.75 x21 tires
Rear wheel	The 28 radios with 4.00 x18 tubeless tire
Engine protector	Built in AA7075 T6
Kick-start	Forged aluminum
Gear and brake pedal	Forged aluminum with flexible tip