HPN-Baja: 
The "slim" HPN for the expert 

The HPN „Baja" is inspired by the BMW-works racing bikes, that have been build and serviced by HPN for the „Baja California 1000". Gaston Rahier and Eddy Hau won a class victory with it in 1985. It convinces by it’s low weight, easyness to handle, performance and it’s optic.

Technical data

Dimensions, weights:

Wheelbase: 1620 mm
Unladen weight without fuel: ca 180 kg 
Unladen weight DIN with fuel: ca. 196 kg, je nach Zubehör 

Engine, electrical system, gearbox:

Displacement: 1043 ccm  
Power output: ca. 51 KW / 72 PS  
Max. speed: ca. 180 km/h
Oilcooler: BMW with HPN-thermostat
Oilpan: Conical spacer with bottom plate in dural
Airfilter: BMW original
Tank: 19 l
Exhaust system: HPN-Baja stainless steel muffler with CFK-covers
Generator: Racing three phase current system
Ignition: CDI racing system
Battery: 12 V, 8 Ah 
Instrumentation: Elektronical speedometer, different manufacturers
Gearbox: BMW 5-speed, optional 1.st gear shorter and 5.th gear longer

Frame and brakes:

Mainframe: BMW GS duplex steel tube cradle with HPN reinforcements
Subframe: HPN-Baja
Teleskopic front fork: Marzocchi Magnum, ø50mm, 285 mm travel, or WP Suspension Upside-Down 295 mm travel
Shock absorber: WP Suspension with adjustable compression and rebound damper
Swing arm: BMW R80G/S, 100mm lengthened with diagonal strut, 240mm travel
Final drive: BMW original, ratio 3.09 or 3.20
Front brake: Single disk, ø 260 mm
Rear brake: Drum brake
Wheels: HPN Sport with rim for tube tyres
Front tire: 90/90-21´´ different manufacturers
Rear tire: 140/80-17´´ or 18´´ different manufacturers 

Other equipment:

Head light: 160 mm H4
Center stand: BMW GS with HPN modifications
Footrests: BMW GS

Preis ab Hersteller HPN:

Prices on request depending on accessories etc.

If you own a BMW R80G/S or R80ST we can modify your motorcycle to the above specs.

HPN-Motorradtechnik terms of sale (business notes) in the german version are part of our business relationship and are accepted by placing the order.