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  1. Thread: Omc 25h.p.

    by adila
    Replies
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    24,134

    Yes...thru-hub

    [QUOTE=JohnsonM50]I use one with a stock lower unit from a 79- 25hp, I changed the propshaft assembly to it from a 22ci OMC 72- 25hp, It has a shear pin set up. I adapt different props by inserting...
  2. Thread: Omc 25h.p.

    by adila
    Replies
    80
    Views
    24,134

    omc prop

    ,,I just finished a rebuild on a 31.8-35hp "
    I wish ask something...What props can you use 4 your 35 hp ...I'm asking because my Selva shaft is with 14 splines...and most cleavers are with 13...
  3. Thread: Omc 25h.p.

    by adila
    Replies
    80
    Views
    24,134

    hotshot props

    ARE THOSE PROPS BETTER THAN THE OMC SST's???
    I didn't test hotshot props ...I was jumping directly at cleavers and more pitch.
  4. Thread: Omc 25h.p.

    by adila
    Replies
    80
    Views
    24,134

    390731 is NLA

    [QUOTE=Jeff Akers]That omc 390731 is NLA .... I'm looking for one myself;)
    I have one sst 390731 and an 391o64. I'm looking 4 an cleaver 11x18...19 or 20" with 14 splines( Johnson 25-35hp).
  5. Thread: Omc 25h.p.

    by adila
    Replies
    80
    Views
    24,134

    top end

    ,,I WOULD LIKE TO IMPROVE THE TOP END OF THAT PONNY" ...with SST 10 1/2x11 PROP ???!!! Too small pitch! What gear ratio is your 25 hp? 2.15/1?
    You can try one SST prop 10x17 (omc#390731)...or an...
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