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Air-cooled multi-cylinder engine

  • US 5,806,491 A
  • Filed: 03/31/1997
  • Issued: 09/15/1998
  • Est. Priority Date: 04/01/1996
  • Status: Expired due to Term
First Claim
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1. An air-cooled multi-cylinder engine having a plurality of cylinders arranged along a direction of flow of a cooling air, said engine comprising:

  • temperature sensors attached to at least two cylinders to detect a temperature difference between said two cylinders andair-fuel ratio control means for controlling an air-fuel ratio of in each cylinder on the basis of said temperature difference to make the air-fuel ratio in each cylinder a target air-fuel ratio.

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