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(KZ) KK3

For the KZ class

An engine full of new solutions.

The main innovations are:

  • Nuovo design.
  • Architecture conceived to keep the overall dimensions and weights to a minimum.
  • Changed crankcase cylinder position.
  • Water-cooled gearbox to lower the temperature of the lubricating oil and to contain the amount of oil.
  • Dismountable head assembled by interference to improve heat exchange.
  • New crankshaft with connecting rod length 110.2 mm
  • New cylinder
  • Reed pack with new flow guide

Engine Information

Cilindrata125 cc
Homologation032-EZ-01
Category125 KZ2/KZ1
Bore/stroke54 x 54,43 mm
Max powern.d.
Max rpm15000 rpm
CoolingWater
IgnitionSELETTRA
Transmission6 speed gearbox
Clutch5 dry disks
Inlet type Reed Valve
CarburetorDell’Orto VHSH 30
Connecting rod length110.2 mm
Combustion chamber vol.Minimo 11 cc
Number of transfers5
Number of exhaust ports3
Main transfer openingn.d.
Height of secondary portsn.d.
Central pouring heightn.d.
Discharge heightn.d.
Expansion mufflerExpansion
petrol mixture4%
Dry weight17.5 kg

homologation fiche

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Data Sheet

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