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HP4 RACE

 
BMW HP4 RACE
BMW HP4 RACE
Engine  
Type Water/oil-cooled 4-cylinder four-stroke in-line engine, four titanium valves per cylinder, two overhead
racing camshafts, milled oil sump, Pankl connecting rod, precision-balanced and lightened crankshaft
Bore x stroke 80 mm x 49.7 mm
Capacity 999 cc
Rated output 158 kW (215 hp) at 13,900 rpm (maximum speed 14,500 rpm)
Max. torque 120 Nm at 10,000 rpm
Compression ratio 13.7-13.9 : 1
Mixture control / engine management Electronic racing injection, variable intake pipe length, four selectable modes
Emission control Akrapovic full titanium 4 in 2 in 1 WSBK exhaust system
Performance / fuel consumption  
Maximum speed over 300 km/h
Fuel type Superplus unleaded petrol, minimum octane number 98 (RON)
Electrical system  
Alternator 406 W
Battery 12 V/5 Ah, Li ion maintenance-free
Power transmission  
Clutch Multi-disc clutch in oil bath, anti-hopping clutch, mechanically operated
Gearbox Constant-mesh six-speed racing transmission (EVO) with straight-cut gears (gears 1, 2, 4, 5 and 6)
Drive 16/43 (adjustable as part of equipment pack: sprocket 15, 16, 17, chainwheel 41, 42, 43, 44, 45)
Chassis / brakes  
Frame Carbon monocoque RTM frame with steering head angle and swinging-arm pivot adjustment, load-
bearing engine
Front wheel location / suspension Öhlins FGR 300 WSBK fork, adjustable rebound and compression-stage damping, adjustable spring
preload, Öhlins SD052 adjustable steering damper, front wheel quick-change system thanks to rotatable
forklegs with front-wheel cover mounted (brake calipers need not be removed to change a wheel) spring
stiffness 10.5 N/mm
Rear wheel location / suspension Aluminium WSBK swinging arm, Öhlins TTX 36 GP central spring strut, adjustable rebound and
compression-stage damping, adjustable spring preload, top spring strut pivot point adjustable (0/3 mm),
adjustable spring strut deflection (tension strut length), contact surfaces for wheel spacer bush on chain
tensioners for simple/hands free wheel fitting, chain tensioner titanium on outside, aluminium on inside,
CFRP auxiliary stand mountings on swinging arm, spring stiffness 95N/mm
Suspension travel front / rear 130 mm / 120 mm
Wheelbase 1440 mm
Castor 102.5 (adjustable between 95-112)
Steering head angle 65.5° (adjustable 0.0°, +/-0.5°, +/-1°)
Wheels Carbon wheels including press-fitted wheel spacer bushes for easy wheel fitting
Rim, front 3.50 x 17"
Rim, rear 6.00 x 17"
Tyres, front 120/70 ZR 17 Pirelli Diabolo Superbike Slick SC2
Tyres, rear 200/60 ZR 17 Pirelli Diabolo Superbike Slick SC2
Brake, front Brembo Racing twin disc brake, T-floating racing brake discs, 320x6.75 mm diameter, 4-piston monobloc
WSBK GP4-PR fixed caliper with titanium pistons, Brembo Racing RCS19X18 master cylinder, including
adjustable Brembo Racing brake lever, Brembo Racing clutch lever (without clutch switch)
Brake, rear Brembo Racing single-disc brake, 4-piston WSBK fixed caliper with titanium pistons, brake disc diameter
220x4.0 mm
Dimensions / weights  
Length 2.070 mm
Width (incl. mirrors) 777 mm
Height (excl. mirrors) 1193 mm
Seat height, unladen weight 831 mm (rider seat low / high, 816 / 846 mm)
Inner leg curve, unladen weight approximately 1859 mm (rider seat low/ high, 1829 mm / approximately 1889 mm)
Unladen weight, road ready, fully fuelled 1) 171.4 kg
Dry weight 146kg
Usable tank volume 17.5 l
Reserve approximately 4 l
  • Technical data relate to the unladen weight (DIN)
  • 1) According to Directive 93/93/EEC with all fluids, fuelled to at least 90% of usable fuel tank