RR 2T 250


Technical data

Frame Molybdenum steel with double cradle split above the exhaust port
Wheelbase 1482mm
Max length 2172mm
Max width 807mm
Max height 1270mm
Seat height 930mm
Ground clearance 320mm
Footrest height 407mm
Dry weight 104 kg (front 50kg, rear 54kg)
Fuel tank capacity 9.5l
Reserve 1.6l
Cooling system capacity 1.3l
Front suspension Hydraulic USD fork with ø 48 mm shaft
Rear suspension Monoshock with progressive compound lever
Shock absorber stroke 135mm
Front wheel travel 295mm
Rear wheel travel 290mm
Front brake Wave disc ø260 mm and double-piston floating caliper
Rear brake Wave disc ø240 mm and single-piston floating caliper
Front rim 21 x 1.6 - 36 holes
Rear rim 18 x 2.15 - 36 holes
Front tyre 90/90 - 21
Rear tyre 140/80 - 18
Type Single cylinder, 2-stroke, liquid-cooled
Bore 66.4mm
Stroke 72mm
Displacement 249cc
Compression ratio 13.2:1
Exhaust valve BPV System
Starter Electric starter
Ignition AC Kokusan - digital CDI with oil pump controller
Spark Plug NGK BR8ES
Induction system induction reed
Lubrication Mixing with electrical pump
Carburettor Keihin PXK 36
Clutch wet multi-disc clutch
Primary drive Z. 28/70
Transmission 6 Gears
Final transmission chain
Engine oil SAE 10W/40
DMC Firewall is developed by Dean Marshall Consultancy Ltd