Ossa unveils the 2013 TR280i

By Andrew Hill on 6th Aug 12

Motocross

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

 

TR280i Weight and dimensions

Wheelbase

1.328 mm

Seat height

655 mm

Ground Clearance

340 mm

Tank capacity

2.6 litros

Dry weight

64 Kg

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