Quote:
Originally Posted by serialk11r
I managed to find fuel economy numbers for I think ski doo ? snowmobiles. They had a direct injected 2 stroke and a 4 stroke. The 2 stroke was much lighter, but got worse (I think like 30% worse) fuel economy than the 4 stroke with equivalent power despite the direct injection.
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When Ford tested 2-stroke engines in the Mk3 Fiesta and the Aspire, a 2-stroke 1.2L 3-banger had better fuel-efficiency than the stock 1.3L 4-banger, and it was the same system currently used in snowmobiles and outboard motors.