(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 |