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Old 12 December 2008, 11:15   #1
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How best 2 restrict WOT for my 12 yr old....

........on my Yam 380s with a Yam 15hp 4-Stroke on the tail.

My daughter is most sensible and as such often takes control of my 6m with a 140 on the stern (with me aboard) and has in her time enjoyed as equal numbers of hours on the water with me in varying conditions.

I have just bought a 380 Yam and would like to let her loose so to speak, alone however, as added security I'd like to start by restricting WOT - not that she would go to WOT if told not too - but you never know what might occur - I am sure at some point even those of us with many hours under our belts have twisted the throttle or pushed forward / backward too much just at the wrong time - therefore I'm sure you get my point.

So - what is the best method to restrict WOT whilst allowing some freedom on the plane............
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Old 12 December 2008, 12:03   #2
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A quick (clumsy) but effective way I have found, is to build up the 'thickness' of the throttle lever at the right point with cable tie/self amalgamating, so that the lever 'jams' against the throttle box before WOT. (a bit difficult to describe but I hope you get the gist)

Very crude, but easy to install and remove.

I'm sure there will be some much more high tech suggestions soon.
BB

Just thought........this obviously wouldn't work for tiller/twist throttle, but not sure what you have on 380!
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Old 12 December 2008, 12:09   #3
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Restricting thr air intake or exhaust will reduce the power.

The tape sounds like a good idea though.
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Old 12 December 2008, 12:37   #4
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Restricting thr air intake or exhaust will reduce the power.
It'll also make the engine run like a bag of poo unless you spend considerable time rejetting it.

If you're lucky the throttle mechanism on the carb will have a screw stop to set the WOT position.
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Old 12 December 2008, 12:42   #5
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It'll also make the engine run like a bag of poo unless you spend considerable time rejetting it.

If you're lucky the throttle mechanism on the carb will have a screw stop to set the WOT position.
Wot he said
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Old 12 December 2008, 13:03   #6
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think i would just build up the throttle lever on the carb with tape or sleeve it with a bit of plastic tubing until you get the right revs ,
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Old 12 December 2008, 14:32   #7
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easy. just slacken the cable a bit and guess what... lots of nothing when you first start twisting the grip.


easy to set the max and easy to reverse when you are going out for a play.
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Old 12 December 2008, 16:23   #8
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Sorry thick hat on, what is WOT?

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Old 12 December 2008, 17:03   #9
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Old 13 December 2008, 15:06   #10
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Quote:
Originally Posted by MeMe View Post
........on my Yam 380s with a Yam 15hp 4-Stroke on the tail.



I have just bought a 380 Yam and would like to let her loose so to speak, alone however, as added security I'd like to start by restricting WOT - not that she would go to WOT if told not too - but you never know what might occur - I am sure at some point even those of us with many hours under our belts have twisted the throttle or pushed forward / backward too much just at the wrong time - therefore I'm sure you get my point.

............
If your in the boat as ballast then no problem if you have got plenty of weight in the bow she should be ok big anchor and chain or bag of sand
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