Fuel Quality

Fuel System Check

Engine will not start

 Four stroke engine troubleshoot


Old fuel

Old fuel is brassy and smells sour
This fuel will not burn properly


Contaminated fuel

Fuel can become contaminated with water
Tank rust can clog fuel filters
Fuel line deterioration can foul fuel


Incorrectly mixed fuel

Two stroke engines require 2 stroke oil additive.
Conform to manufacturer mixing and injector rate instructions.