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Rex B
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Default Building a Homemade Fuel-Injection System on a Briggs and Stratton 5 HP Engine

On Fri, 23 Jul 2004 20:51:07 GMT, Ecnerwal

||In article ,
|| (T.C. Mann) wrote:
|| I would like to know if anyone has ever tried to implement a FI system
|| for use on a small lawn mower engine. What would be involved in doing
|| this and would it work? Are there any DIY sites that discuss this or
|| are plans available? Any other good references? Thanks a bunch.
||I haven't, but I'd hardly be surprised if someone has.
||Let's see - you need an O2 sensor, you need a fuel pump, you need an
||injector, and you need a little computer to control it all. You may also
||need an array of other sensors, such as various temperature readings. So
||you'll be adding a generator if the mower does not have one. If it were
||me I'd add a better muffler along with the O2 sensor, since I just don't
||think the standard lawnmower exhaust is even remotely quiet enough.

There was plenty of FI out there before electronic vesions came out and made it
cheap and easy. I don't recall the details, but it might be worth looking into
building an all-mechanical FI system
Texas Parts Guy