Vortex VTZ KZ
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- Free Shipping & Returns : On all orders over $200
Information
The Vortex VTZ engine, too, dedicated to the KZ and KZ2 classes, comes from the winning RTZ, world champion in 2021 and vice world champion in 2022. The most obvious technical evolution made concerns the cooling of the engine crankcase, previously air-cooled, now water-cooled.
But that’s not all, because even the muffler, specific to this model, has now a new design. Unchanged, however, compared to the RTZ model, is the length of the connecting rod (115 mm).
You can see the Homologation here
Among the things on which the OTK Kart Group’s Engine Division’s research and development department focused, there are two that stand out the most. On the one hand, much work has been done on the type of crankcase cooling; actually, while in the RTZ engine was featured by forced air cooling, in the new VTZ it is water cooling.
Moreover, the Vortex staff focused on the evolution of the engine exhaust and, more specifically, on the muffler, which underwent a total reshape that resulted in a completely new design, specific to this engine model.
Moreover, the Vortex staff focused on the evolution of the engine exhaust and, more specifically, on the muffler, which underwent a total reshape that resulted in a completely new design, specific to this engine model.
- Water cooled with external pump
- Roller bearings
- Bore and stroke :Â 54×54,4 mm
- PVL Ignition system
- Cylinder with nikasil coated running surface
- Number of cylinder/crankase transfer: 5/3
- Crankase reed valve intake
- Connecting rod center to center distance: 115 mm
- Engine head with insert provided as standard
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