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Airsal Extreme 70cc for scooters using the Minarelli liquid-cooled engine.
The Extreme kits are Airsals flagship range. These kits are high revving, high-end racing cylinders. The cylinder utilizes 7 transfer ports with a huge bridged trapezoidal exhaust port. A single ring Vertex piston is used.
To get this kit to run well you will need a large carburettor up to 28mm, a high performance variator and transmission setup, a high end exhaust (Yasuni C16 upwards) and more power can be squeezed from it if the ignition timing is played with.
A high quality (standard stroke) racing crankshaft with a 12mm small end, BR10ES spark plug, premixed fully synthetic oil at a ratio of 33:1 is required.
*This Airsal Extreme kit does not require machining of the crank cases.
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