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Old 02 August 2007, 12:30   #11
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Originally Posted by Hightower View Post
I thought I would start a thread on how interchangable props are. I used to Have a Yam 80 2 stroke and then bought a Merc 90 4 stroke so I know that Honda props, Merc props and Yam props can be swapped around with a little bit of fiddling with thrust washers.

But what about others?

I'm purchasing an Evinrude 150DI, what other manufacturers props fit these?

And what about Mariner (Mercury I thinks), Tohatsu etc?
I think, if you use a flo-torq hub assenbly kit (mercury) you can get most props to fit.
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Old 02 August 2007, 13:32   #12
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This is a bit complicated but I hope this will help, this is not set in stone as it all depends on who the propeller is manufactured by and particularly which type of bush arrangement, the list is for genuine props

For 3 gearcase generally about 30-70hp engines.
A yamaha propeller will also fit with different spacers & thrust washers the following, mercury, mariner, Suzuki, Honda
A Mercury propeller will so fit mariner and with different spacers a yamaha
A Suzuki propeller will only fit Suzuki

For 4.1/4 gearcase generally 50-150 hp engines
A mercury propeller will also fit mariner and if its a flo torque type will also fit yamaha, Suzuki four stroke, Honda, tohatsu
A yamaha propeller will so fit with spacers mercury, mariner, honda, tohatsu
A Suzuki 2 stoke is 13 spline and will fit only Suzuki the gearcase size is also slightly smaller than the other engines so not interchangeable
A Suzuki 4 stroke is 15 spline and will also fit yamaha (also see notes for yamaha)
A OMC 2 stoke is 13 spline and will fit only OMC the gearcase size is also slightly smaller than the other engines so not interchangeable
A OMC 4 stroke is generally 15 spline and will also fit yamaha (also see notes for yamaha)
This is not true,
I have a Suxuki 90hp 2 stroke and I use a 22" raker propellor which is from a v4 omc
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Old 02 August 2007, 16:44   #13
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This is not true,
I have a Suxuki 90hp 2 stroke and I use a 22" raker propellor which is from a v4 omc
That's a massively over pitched prop for that size of engine, you must have it on a very small craft. I could never use anything larger than a 17" on my 90 and RIB combo!
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Old 02 August 2007, 17:25   #14
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That's a massively over pitched prop for that size of engine, you must have it on a very small craft. I could never use anything larger than a 17" on my 90 and RIB combo!
sorry to disappoint but my boat has no toobs,
but is a lightweight hull,
I do 5900rpm at wot and do 58mph on me gps
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Old 04 August 2007, 10:05   #15
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Also run a 22" not a problem, revs out at 5700 Suzuki says max 6000 for my engine plenty good enough , Incidentally if you look at the torque curve 5700 is just about bang on the button, So the extra 300rpm would be pretty well fruitless, people are obssessed with finding a prop that enables them to pinch every engine revolution, there was a thread about this not so long ago .
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Old 04 August 2007, 11:47   #16
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So the extra 300rpm would be pretty well fruitless, people are obssessed with finding a prop that enables them to pinch every engine revolution, there was a thread about this not so long ago .

And it all goes out the window when you change the load.
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Old 04 August 2007, 12:34   #17
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True enough Andy ,the usual crowd is just my son and I so the 22" suits me fine on the odd occaision we have a full load ie the good lady and the two girls I just change to the four blade I have which if memory serves me 12 x 19 this would normally rob me of a lot of top end but that is not an issue with the lady,s on board ,mainly harbour bashing .
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