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Old 12-11-2017, 08:09 AM
  #16  
Onewolf
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Join Date: Apr 2001
Location: East Central Florida
Posts: 5,899
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Originally Posted by Marshfly View Post
The engine knows exactly how much fuel is being run through the throttle body on modern fuel injected outboards. My last three Yamaha setups have been within a quarter gallon on every single fillup and I can attribute that difference to changes in the way I pump and the slope of the concrete at the service station. A buddy with an Evinrude G2 sees the same level of accuracy.

These aren't estimates. This is the engine computer telling exactly how much fuel it is metering into the injectors.
Do they know if some thief has siphoned/drained fuel out of your tank?
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