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(KZ) MKZ

For the KZ class

For competition karting

An engine full of new solutions, to achieve unprecedented performance!

The MKZ RS engine is the development of the successful KK1 R engine.

The main innovations are:
- Cylinder inclined towards the rear, to improve the suction flow.
-Separate lubrication between gearbox and primary transmission.
Water-cooled gearbox to lower the temperature of the lubricating oil and to contain the amount of oil.
-Domposable head into 2 parts with dome machined from solid.
- Bronze ring shown in the upper part of the cylinder, optional.
- Main bearings housed on a removable metal bushing.
-Possibility of inserting the starter motor.
- Reed pack.

Engine Information

Ignition125 cc
Homologation37/M/24
Category125 KZ2/KZ1
Bore/stroke54 x 54,43 mm
Max power46 cv (DIN)
Max rpm15000 rpm
CoolingWater
IgnitionPVL 105-458 (homologated)
Transmission6 speed gearbox
Clutch5 dry disks
Inlet type Reed Valve
CarburetorDell’Orto VHSH 30 (homologated)
Connecting rod length106 mm
Combustion chamber vol.Minimo 13 cc (homologated)
Number of transfers5
Number of exhaust ports3
Main transfer opening130,5°±1°
Height of secondary ports126,5°±1°
Central pouring height128,5°±1°
Discharge height195°±1°
Expansion mufflerExpansion
petrol mixture4%
Dry weight18 Kg

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