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The spark plug gap for most Yamaha outboards is around .030 - 0.035in.
between .28 - .31"
An 1986 model Yamaha outboard requires a 50:1 ratio, roughly one pint of 2 cycle oil, to six gallons of fuel.
between .28 - .31" for any kind of spark plug you decide to use in your Phazer.
Step 1 Drain it Step 2 fill with 2 stroke oil
Found a 1986 Yamaha FZ600 for sale. Going for $800.
NGK BP8ES Gap: 0.7-0.8mm (0.28-0.31in) You can also use Nippondenso W24EP-U
The dry weight of a 1986 model, 70 hp Yamaha outbord is 235 lbs.
4.00 bore 3.48 stroke
Yamaha Popular Song Contest ended in 1986.
Spark Plug gap for a 1986 Chevy Nova 1.6L is .043.