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Old 29 July 2012, 10:30   #1
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Suzuki Prop Change

I need to change the prop on a friendīs Suzuki DF 140. Before I attempt to do so, does anyone know if any special tools are required please?
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Old 29 July 2012, 11:40   #2
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Sorry, i cant help, but id b interested to know what size prop u r putting on as i too have a df 140. Thanks.
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Old 29 July 2012, 12:53   #3
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A a pair of pliers, some waterproof grease and big socket set or one of these - very easy job
Floating Prop Wrench - Accessories
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Old 29 July 2012, 15:19   #4
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Suzuki Prop Change

Thank you both for your replies. Firstly, Iīm pleased that no special tools are required!!!!!!!!!
The boat is a Bombard Explorer and the existing prop is a s/s 13 x 20. At the moment, maximum revs achieved is 5K so there is another 1k to be found!!!! We are trying to borrow another prop (13 x 19) to see what difference this makes but I think we may have to go down another inch!! I will keep yopu all posted on what transpires. Thanks for the interest!!
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Old 29 July 2012, 16:02   #5
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Originally Posted by longjohn View Post
A a pair of pliers, some waterproof grease and big socket set or one of these - very easy job
Floating Prop Wrench - Accessories
And a block of 2x4 to keep the prop from spinning.

jky
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Old 29 July 2012, 17:34   #6
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Thanks. Look forward to hearing how you get on.
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Old 29 July 2012, 19:51   #7
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and ideally a new split pin
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Old 02 August 2012, 15:27   #8
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Suzuki Prop Change

Mud on my face here!!!! We found a suitable prop, 14 x 19, from another boat and took both props off and fitted new prop. So far, so good. The problem came when we engaged forward gear to start off and the boat went in reverse!!!!!!! This is what happens when you put a right hand prop on an engine that requires a left hand prop............ Back to the drawing board!!!!!! So, if anyone has a new or second hand 14 x 19 aluminium prop for sale suitable for a Suzuki DGF 140 please let me know!!!!!!
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Old 02 August 2012, 19:03   #9
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You will need to change pitch by more than 1 inch. The rule of thumb is that 2" pitch = 300-400 rpm change. So you need to change pitch by about 4"

That said the diameter and blade shape need to be exactly the same for this rule to work, most often they change a bit.

The 14x19 probably would have been worse than the 13x20 and fail to even reach 5k.
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