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lselan
Deckhand

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USA
3 Posts
Initially Posted - 08/24/2003 :  21:43:05  Show Profile
I have taken off my 19-year old Honda 9.9 for the last time for maintenance. I am looking to replace it with either a new Honda or Yamaha 8/9.9. For those of you who have replaced the old Honda with one of these, was there any problem in terms of shaft length and the existing bracket. It seems the shaft length of the old 9.9 was 22" according to the manual. The new ones are either 20 (L) or 25 (X). The latter looks huge and I can't imagine keeping it out of the water. I am concerned the 20" might be a bit short. Thoughts and suggestions welcome. I want to get back out on the water. Thanks.

L.K. Selan
Carpe Ventum, C-25 #4588
Edited by - on

Dave Bristle
Master Marine Consultant

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Djibouti
10005 Posts
Response Posted - 08/24/2003 :  22:05:34  Show Profile
I think you'll find that the actual Honda long shaft is 22", and the extra-long is 27.7". My extra-long clears the waterline when tilted one notch on the raised (not original) bracket, and has the anticavitation plate about 6" under when down with no crew in the boat. Where do you sail? Did you have cavitation problems with the 22" shaft? If not, you'll be fine with the new one. If your concerns have to do with marginal experiences, get the extra long--you can figure out how to make it work, even if it means blocking the bracket away from the transom. And save yourself a few boat units--the 8 hp high thrust is plenty. Honda's is exactly the same engine as the 9.9 except for the RPM limiter setting and (according to somebody) a slight difference in the carburator. Yamaha's 8 is a little heavier but less $$$ than the 9.9 (?), has a weaker alternator, and no recoil starter for backup.

Dave Bristle - 1985 C-25 #5032 SR-FK-Dinette-Honda "Passage" in SW CT

Edited by - Dave Bristle on 08/24/2003 22:07:21
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Notice: The advice given on this site is based upon individual or quoted experience, yours may differ.
The Officers, Staff and members of this site only provide information based upon the concept that anyone utilizing this information does so at their own risk and holds harmless all contributors to this site.