Engine
Engine single cylinder, 4-stroke
Displacement (cc) 510.4
Bore x stroke (mm) 95 x 72 (3.74 x 2.83")
Compression ratio 11:1
Starter kick-starter and E-starter / 4 Ah
Transmission 6 gears
Carburetor Keihin MX FCR 39
Control 4 V / OHC with roller rocker lever
Lubrication pressure lubrication with 2 Eaton pumps
Transmission lubrication -
Engine oil 1.2 l Motorex Power Synt 4T 10W50
Primary drive 33 : 76
Final drive X-Ring chain 5/8 x 1/4"
Cooling liquid cooled
Clutch wet multi-disc clutch, operated hydraulically
Ignition Kokusan digital 4K-3B
Chassis
Frame chromium molybdenum
Subframe aluminum
Handlebar tapered Magura Ø 28 mm (1.10")
Front suspension WP-USD 48 mm (1.89")
Rear suspension WP-PDS-shock absorber
Suspension travel front/rear 300 / 335 mm (11.81/13.19")
Front / Rear brakes disc brakes 260 / 220 mm (10.24/8.66")
Front / rear rims 1.60 x 21"; 2.15 x 18" Excel
Front / rear tires 90/90-21"; 140/80-18"
Transmission 15:45
Main silencer aluminum
Steering head angle 63.5°
Wheel caster 112 mm (4.41")
Wheelbase 1481±10 mm (58.31±0.39")
Ground clearance (unloaded) 380 mm (14.96")
Seat height 925 mm (36.42")
Fuel capacity approx. 8 litres (2.11 gal)
Weight (ready to race, no fuel) approx. 113.8 kg (249.4 lbs)
USA
Front / rear tires 80/100-21"; 110/100-18"
Transmission 14:50