Basic fuel injection. (small boat engines)(Propulsion)(Column)

Trailer Boats | October 1, 1996| | Copyright

Judging from some of the letters we receive here at Trailer Boats Magazine, there seems to be a bit of confusion about the various types of fuel-injection systems used on marine engines. Abbreviations can be confusing, so let's start with a glossary of terms and how they apply to marine engines.

There are currently four types of injection systems in use: the mechanical systems used by most diesels and the three types of electronic fuel injection (EFI) systems. The primary differences in the various fuel-injection systems are where the fuel is injected (throttle ...

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