The frame is based on the 65 SX and an improved rear suspension system also figures on the improved machine.

• Engine single cylinder, 2-stroke
• Displacement (cc) 49
• Bore x stroke (mm) 39,5/40
• Starter Kick-starter
• Carburetor Dell'Orto PHVA 12 XS
• Engine lubrication separate lubrication
• Primary ratio 16:57
• Final drive chain 1/2 x 3/16" 96 R
• Cooling air cooled
• Clutch centrifugal clutch (adjustable)
• Ignition Selectra
• Frame central double-cradle-type frame
• Handlebar Alu D22
• Front suspension Marzocchi Ø 32 mm
• Rear suspension Paioli MC 30 monoshock
• Suspension travel front / rear 120/185 mm
• Front brake drum brake Ø 90 mm
• Rear brake drum brake Ø 90 mm
• Front / rear rim 1,5 x 10"; 1,5 x 10"
• Front / rear tire 2,50 x 10"; 2,50 x 10"
• Transmission ratio 11:48
• Main silencer Aluminium
• Steering head angle 24°
• Wheel caster 73,7 mm
• Wheel base 905 mm
• Ground clearance (unloaded) 195 mm
• Seat height 550 mm
• Fuel capacity approx. 2 litres
• Weight (ready to race, no fuel) approx. 37,8 kgs

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