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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

Cilindrata 125 cc
Homologation 37/M/24
Category 125 KZ2/KZ1
Bore/stroke 54 x 54,43 mm
Max power 46 cv (DIN)
Max rpm 15000 rpm
Cooling Water
Ignition PVL 105-458
Transmission 6 speed gearbox
Clutch 5 dry disks
Inlet type  Reed Valve
Carburetor Dell’Orto VHSH 30
Connecting rod length 106 mm
Combustion chamber vol. Minimo 11 cc
Number of transfers 5
Number of exhaust ports 3
Main transfer opening 130,5°±1°
Height of secondary ports 126,5°±1°
Central pouring height 128,5°±1°
Discharge height 195°±1°
Expansion muffler Expansion
petrol mixture 4%
Dry weight 18 kg

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