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Discussion Starter · #1 ·
Relatively similar to the Duke 390s Specs. Minor differences in wheelbase and suspension.

ENGINE



  • Design 1-cylinder 4-stroke engine, water-cooled
  • Displacement 373.2 cm³
  • Bore 89 mm
  • Stroke 60 mm
  • Performance 32 kW (43 hp)
  • Starting aid Electric starter
  • Transmission 6 speed, claw shifted
  • Engine lubrication Forced oil lubrication with 2 Eaton pumps
  • 1st gear ratio 30:80
  • 2nd gear ratio 15:45
  • Cooling system Liquid cooling system, continuous circulation of cooling liquid with water pump
  • Clutch Wet multi-disc clutch / mechanically operated
  • Ignition system Contactless, controlled, fully electronic ignition system with digital ignition timing adjustment

CHASSIS




  • Frame Tubular space frame made from steel, powder-coated
  • Fork WP Suspension Up Side Down
  • Shock absorber WP Monoshock
  • Travel front 125 mm
  • Travel rear 150 mm
  • Brakes Front Disc brake with four-pot brake caliper
  • Brakes Rear Disc brake with one-pot brake caliper, floating brake discs
  • Brake discs Front 300 mm
  • Brake discs Rear 230 mm
  • Chain 5/8 x 1/4” X‑Ring
  • Steering angle 66.5°
  • Wheel base 1,340±15 mm
  • Ground clearance 178.5 mm
  • Seat height 820 mm
  • Fuel tank cap. 10 L
  • Dry Weight 147 kg
 

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Discussion Starter · #3 ·
They should of called it the Duke 373 instead of the Duke 390. Imagine RC Three Seven Three, just sounds fast ;)
 
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