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Thread: F4s Engine upgrade

  1. #1
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    Default F4s Engine upgrade

    Is it true that Mercury have an upgrade for the 60hp f4s engine. I have heard through the grapevine that a 70 or 75hp chip upgrade is available. If it is how do we get hold of one?

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    Sam Cullis Mark75H's Avatar
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    I heard there was no change for the F4. Contact Frode, he would know one way or the other.
    Since 1925, about 150 different racing outboards have been made.


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