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Author Topic:   Fuel Hose Disconnect

Drmorison posted 08-20-2014 09:13 AM ET (US)
I have a 1993 Johnson Tracker 40-HP. I am trying to replace the connector that attaches the fuel line to the engine. I see that there is more than one size connector available. How can I tell which size to buy (on-line)?
-Tom
jimh posted 08-20-2014 09:46 AM ET (US)
Typically there are only two diameters of fuel hose used with outboard engines. Fuel hose with an ID of 3/8-inch is used on high-horsepower engines, probably beginning with engines of 100-HP and higher. Fuel hose with an ID of 5/16-inch is used on smaller engines. For a 40-HP engine the size of fuel hose is most likely 5/16-inch.
The ID of the existing fuel hose at whose end you wish to put a new fuel connector should be easily determined by closely observing the markings of the fuel hose. Fuel hose is typically always marked with its ID and its rating for fire-resistance and tolerance of alcohol. A close visual inspection of your present fuel line should reveal its ID.
Of course, the connector must be a mate to the engine's connector.
As for buying this very minor part on-line, I suggest you just visit your local dealer. Buying this part from your local dealer will get you an OEM connector. Aftermarket fuel connectors may not be the exact mate to the engine's connector. Using an OEM connector will probably give a better fit, and OEM connectors are generally of higher quality than made-in-China aftermarket components sold on-line. Your local dealer can also give you the proper size.
Also, the fuel hose on a 1993 rig is now 21-years-old. It may be time to replace the fuel hose, particularly if the existing hose is not a proper rubber hose, rated for tolerance of alcohol-gasoline blended fuels.
Drmorison posted 08-20-2014 01:02 PM ET (US)
Thanks, Jim!
contender posted 08-20-2014 09:32 PM ET (US)
spend the money and get an omc replacement, do not waste your time on junk...

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Author	Topic: Fuel Hose Disconnect
Drmorison	posted 08-20-2014 09:13 AM ET (US) I have a 1993 Johnson Tracker 40-HP. I am trying to replace the connector that attaches the fuel line to the engine. I see that there is more than one size connector available. How can I tell which size to buy (on-line)? -Tom
jimh	posted 08-20-2014 09:46 AM ET (US) Typically there are only two diameters of fuel hose used with outboard engines. Fuel hose with an ID of 3/8-inch is used on high-horsepower engines, probably beginning with engines of 100-HP and higher. Fuel hose with an ID of 5/16-inch is used on smaller engines. For a 40-HP engine the size of fuel hose is most likely 5/16-inch. The ID of the existing fuel hose at whose end you wish to put a new fuel connector should be easily determined by closely observing the markings of the fuel hose. Fuel hose is typically always marked with its ID and its rating for fire-resistance and tolerance of alcohol. A close visual inspection of your present fuel line should reveal its ID. Of course, the connector must be a mate to the engine's connector. As for buying this very minor part on-line, I suggest you just visit your local dealer. Buying this part from your local dealer will get you an OEM connector. Aftermarket fuel connectors may not be the exact mate to the engine's connector. Using an OEM connector will probably give a better fit, and OEM connectors are generally of higher quality than made-in-China aftermarket components sold on-line. Your local dealer can also give you the proper size. Also, the fuel hose on a 1993 rig is now 21-years-old. It may be time to replace the fuel hose, particularly if the existing hose is not a proper rubber hose, rated for tolerance of alcohol-gasoline blended fuels.
Drmorison	posted 08-20-2014 01:02 PM ET (US) Thanks, Jim!
contender	posted 08-20-2014 09:32 PM ET (US) spend the money and get an omc replacement, do not waste your time on junk...