Although the cylinder barrels on a Rotax 912 engine are air cooled, its cylinder heads are cooled by liquid antifreeze passing through a radiator, much like an automobile engine. And because the engine block, cylinder barrels and heads are all aluminum and expand and contract at the same rate, there is hardly a chance of shock cooling the engine. 80 hp or 100 hp, your choice. Contact us; 30% down reserves your spot in the build queue.
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