Home › Forum › Ask A Member › 1974 15hp Johnson, convert to 20" possible? › Re: 1974 15hp Johnson, convert to 20" possible?

#61165
PugetSoundBoater
Participant

    The 5" longer water tube as Fleetwin mentioned is the way to go. Be sure it has the o ring PN #020893 that fits in the notch in the tube where it fits over your existing water tube for a good seal. I can’t remember if it came with the water tube extension 320025 when i bought it.

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