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Fuel Line Question 130 HP

N

NSDON

Advanced Contributor
I'm changing out all my fuel lines, the line to the primer bulb and from the bulb to the outboard measures 6.5 MM or 0.26 inches- inside diameter.

1. Any reason why I should not upgrade this to 3/8 inch inside diameter- would the extra fuel volume be negative in any way?
2. To change this, is the fitting to the Honda outboard Honda only? Or is it the same as a Yamaha, which is easy to find in a 3/8"?

Thanks,
Don
 
3/8" inches is fine, but you should use a reducer to 5/16 somewhere between the bulb and the engine.

The Honda fitting is unique and not the same as the Yamaha. The Honda fitting is metric, but 5/16" fits fine. You do not want to squeeze the 3/8" down on the smaller Honda fitting. It will not be a good fit and could suck air. The Honda part # is 16966-MR1-000 is one example of a reducer.

Mike
 
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