Short shaft to long shaft conversion - Moderated Discussion Areas

  ContinuousWave
  Whaler
  Moderated Discussion Areas
  ContinuousWave: Whaler Repairs/Mods
  Short shaft to long shaft conversion

search | FAQ | profile | register | author help

Author Topic:   Short shaft to long shaft conversion

fina posted 08-11-2003 10:43 PM ET (US)
Anyone familiar with kits that will convert short shafts to long? My mechanic said that Bay Industies have sold them for years. I am considering it so that I can put my short Merc. 200 on a 22 outrage.
Sal DiMercurio posted 08-11-2003 10:52 PM ET (US)
Theres an after market company in Ohio that makes all the conversion kits, they wanted $5 - $600 for a kit to extend a 2000 - 200 hp Evinrude freshwater, but I ended up getting the saltwater with 25".
Don't know how much for a Merc.
Forgot the name of the company.
Sal
fina posted 08-11-2003 11:12 PM ET (US)
Have you heard whether or not the kits are good?
lhg posted 08-11-2003 11:55 PM ET (US)
I assume you mean convert a 20" long shaft to a 25" extra long. Andy Gere on this site has such a Mercury with this extension kit on it. Check with him. I believe Mercury makes the kit also, and I would get theirs, since a new driveshaft is required. Mercury's own 30" 225's are done using their own extension kit at the factory.
I have heard of Bay Industries and I think they make a good product. $600 or so is about right for the parts for this conversion.
Sal DiMercurio posted 08-12-2003 12:35 AM ET (US)
Ihg, i'm not certain about the Mercs, but the extension for the OMC, Bomb engines is just a 5" extension on the exsisting shaft [ female into male at the bottom & male into female at the top ] , works great from what I understand.
Omc, Bomb also uses an extension instead of one solid shaft for their extension kit but costs like 3 times as much.
Sal
Whalerdan posted 08-12-2003 12:58 AM ET (US)

When you add the extension, is there a bolt or something that keeps the extension attached to the lower unit shaft? Seem like if there wasn't you could get into a situation when pulling the lower unit where the extensiotn repmains in the power head. Probably not a problem if everything is greased good. Not that I need one but I'm just interested.
Danny
fina posted 08-12-2003 05:56 PM ET (US)
Sal,
that's the one I heard about. I can't find the company though to research it further.
andygere posted 08-12-2003 07:03 PM ET (US)
From what I have been able to learn, my '89 Merc 200 has a factory extension kit installed. The drive shaft is one piece, and comes out with the lower unit just as it would on a normal 25" shaft model. I'm not sure if the kit was dealer installed or factory installed, but it's the original power on this boat so I know it has been "extended" since new.

Hop to:

Contact Us | RETURN to ContinuousWave Top Page

Powered by: Ultimate Bulletin Board, Freeware Version 2000
Purchase our Licensed Version- which adds many more features!
© Infopop Corporation (formerly Madrona Park, Inc.), 1998 - 2000.

Author	Topic: Short shaft to long shaft conversion
fina	posted 08-11-2003 10:43 PM ET (US) Anyone familiar with kits that will convert short shafts to long? My mechanic said that Bay Industies have sold them for years. I am considering it so that I can put my short Merc. 200 on a 22 outrage.
Sal DiMercurio	posted 08-11-2003 10:52 PM ET (US) Theres an after market company in Ohio that makes all the conversion kits, they wanted $5 - $600 for a kit to extend a 2000 - 200 hp Evinrude freshwater, but I ended up getting the saltwater with 25". Don't know how much for a Merc. Forgot the name of the company. Sal
fina	posted 08-11-2003 11:12 PM ET (US) Have you heard whether or not the kits are good?
lhg	posted 08-11-2003 11:55 PM ET (US) I assume you mean convert a 20" long shaft to a 25" extra long. Andy Gere on this site has such a Mercury with this extension kit on it. Check with him. I believe Mercury makes the kit also, and I would get theirs, since a new driveshaft is required. Mercury's own 30" 225's are done using their own extension kit at the factory. I have heard of Bay Industries and I think they make a good product. $600 or so is about right for the parts for this conversion.
Sal DiMercurio	posted 08-12-2003 12:35 AM ET (US) Ihg, i'm not certain about the Mercs, but the extension for the OMC, Bomb engines is just a 5" extension on the exsisting shaft [ female into male at the bottom & male into female at the top ] , works great from what I understand. Omc, Bomb also uses an extension instead of one solid shaft for their extension kit but costs like 3 times as much. Sal
Whalerdan	posted 08-12-2003 12:58 AM ET (US) When you add the extension, is there a bolt or something that keeps the extension attached to the lower unit shaft? Seem like if there wasn't you could get into a situation when pulling the lower unit where the extensiotn repmains in the power head. Probably not a problem if everything is greased good. Not that I need one but I'm just interested. Danny
fina	posted 08-12-2003 05:56 PM ET (US) Sal, that's the one I heard about. I can't find the company though to research it further.
andygere	posted 08-12-2003 07:03 PM ET (US) From what I have been able to learn, my '89 Merc 200 has a factory extension kit installed. The drive shaft is one piece, and comes out with the lower unit just as it would on a normal 25" shaft model. I'm not sure if the kit was dealer installed or factory installed, but it's the original power on this boat so I know it has been "extended" since new.