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  Converting short shaft kicker to long shaft

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Author Topic:   Converting short shaft kicker to long shaft
msullivan006 posted 04-08-2003 11:55 AM ET (US)   Profile for msullivan006   Send Email to msullivan006  
Can someone fill me in on some of the particulars of this conversion? I have acquired a 1992 6hp Evinrude mounted on an OMC bracket on my OR I 17. The motor is like new, almost never used or in water, but it measures as a short shaft. Since I am going to use this boat more in the Atlantic (Lake St. Claire, MI until now), and look to the kicker more as a reserve power source than as a trolling motor, it would apparently perform better with a long shaft and a new high-thrust prop. I have seen several references here about the availablilty of a long shaft conversion kit, but nothing about price, sources, etc., or if it would be better to just market the short shaft and then hunt down a good long shaft of about equal value.
Bigshot posted 04-08-2003 12:20 PM ET (US)     Profile for Bigshot  Send Email to Bigshot     
The reason for that OMC bracket is so you can use a short shaft, try it first, it should be fine.
andygere posted 04-08-2003 12:35 PM ET (US)     Profile for andygere  Send Email to andygere     
As kicker brackets go, that OMC is the best out there. I have one on my Montauk with a short shaft, and it keeps the prop in under all conditions. I made a small hardwood block to slip between the "scissor" mechansism to keep it from bouncing underway when the kicker is tilted and lifted up. Also, all the parts for that bracket are still available, and after seeing the price for a new one ($400!) I ordered some plastic bearings and new metal L brackets and made mine like new again. E-mail me if you need the details.
msullivan006 posted 04-08-2003 08:33 PM ET (US)     Profile for msullivan006  Send Email to msullivan006     
Thanks guys. I almost just went out to buy the shaft extension kit without posting a question - sure shows how much this site can save a guy. I have only had the OR out on three short trips last November, so i don't have a real knowledge of how well the bracket keeps the prop down in the water, but it sounds promising now. The 6hp did push the OR to about 6.3 MPH on the fish finder, in calm water on river, but didn't sound as if it was getting up to full RPM's either. That's why I think the optional lower pitch prop is a good move, except for the price. It lists for nearly $100 for that little plastic looking thing !! Must be supply and demand at work :-(
andygere posted 04-09-2003 01:51 AM ET (US)     Profile for andygere  Send Email to andygere     
Try Cabela's for the prop. An aluminum Michigan Wheel for that motor lists at $65.
Bigshot posted 04-09-2003 09:34 AM ET (US)     Profile for Bigshot  Send Email to Bigshot     
I paid about $65 for my 1994 6hp sail prop.
msullivan006 posted 04-09-2003 12:52 PM ET (US)     Profile for msullivan006  Send Email to msullivan006     
I guess I'll be shopping around when I get the 6 hp prop. West prices for the larger prop's,both standard aluminum and Vortex, seem right in line with Cabellas, etc., but they wany $90 for the little guy. Just pays to match the particular price.

Is the "sail prop" the 8 1/4 x 7, or the 8 1/4 x 8? The stock is 8 1/2 x 9. Michigan catalogue seems to point me to the 8x7 for kicker duty.

Thanks,Mike

Bigshot posted 04-09-2003 02:59 PM ET (US)     Profile for Bigshot  Send Email to Bigshot     
I think mine was like 8x6 but whatever, the 7 is close enough.
msullivan006 posted 04-09-2003 07:27 PM ET (US)     Profile for msullivan006  Send Email to msullivan006     
It sounds as if my kicker concerns are put to bed pretty easily, just a matter of price shopping now, and testing in a few more months when it finally stops snowing here in Boston.

Thanks,
Mike

Bigshot posted 04-10-2003 11:04 AM ET (US)     Profile for Bigshot  Send Email to Bigshot     
HA! It aint EVER gonna stop snowing!
msullivan006 posted 04-12-2003 10:59 AM ET (US)     Profile for msullivan006  Send Email to msullivan006     
Hey Bigshot - guess you don't know everything after all. We're getting about 2" of heavy rain last night through today as a respite from the snow ;-)) I may be able to start sea trials in my backyard pretty soon.

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