Pit Bikes
ENGINE
Engine type: Single cylinder, 4-stroke
Displacement: 125 cc
Bore x Stroke: ??? "97 x 60,8 mm (3.82 x 2.39"")"
Compression ratio: ??? 12.5:1
Starter: Kick Starter
Transmission: 4 gears
Carburetor: ??? Keihin MX FCR 41
Control: 2 V / OHC
Lubrication: Pressure Lubrication
Engine Lubrication: 1.3 l Motorex Power Synt 4T 10W50
Primary Drive: ??? 29:74
Final Drive: ??? 14:52
Cooling: Air Cooled
Clutch: Wet Multi-Disc Clutch
Ignition: Digital DC-CDI
 

CHASSIS
Frame: ??? Central double-cradle-type 25 CrMo4
Subframe: ??? Aluminium 7020
Handlebar: Aluminium
Front Suspension: ??? WP USD Ø 48 mm (1.89")
Rear Suspension: ??? WP Monoshock PDS
Suspension Travel Front / Rear: ??? 300 / 335 mm (11.81 / 13.19")
Brakes, Front / Rear: ??? Disc brakes 260 / 220 mm (10.24 / 8.66")
Rims, Front / Rear: ??? 1.6 x 21"; 2.15 x 19"
Tires, Front / Rear: ??? 80/100-21"; 110/90-19"
Chain: ??? 5/8 x 1/4"
Main Silencer: Aluminium
Steering Head Angle: ??? 63,5°
Wheel Base: ??? 1475±10 mm (58.07±0.38")
Ground Clearance (unloaded): ??? 380 mm (14.96")
Seat Height: ??? 925 mm (36.42")
Fuel Capacity: ??? approx. 8 liters (2.11 gal)
Weight (no fuel): ??? approx. 104 kg (229.28 lbs)
JNR 100



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Technical Spec

 
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