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Old 06 November 2019, 05:39   #1
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Country: UK - England
Town: Winchester
Boat name: The Bandit
Make: Ribtec 535
Length: 5m +
Engine: Yamaha 90 2-Stroke
Join Date: May 2009
Posts: 372
Yamaha 90hp 2 stroke idle issues

I wonder if anyone here can shed any light on a problem I'm having with my outboard.

I bought it 18 odd months ago for my rib project, it seemed good at the time and had very low hours on it, it was a gamble but one I thought worth taking.

Its been on a pallet in my garage ever since, at the weekend I got it out, bolted it to the boat, connected it up and it started and it ran nicely, it sounds georgous.

Problem is it won't return to its idle position via the 703 hand control unit. If I disconnect the throttle cable and control the lever under the hood by hand it's fine, (so the engine is running nicely) but I do have to turn it back to idle rather than it spring back to the default idle position.

I am wondering if that's the way it should be do I need a new throttle cable? Both cables seem to me to be ok, they are original Yamaha kit and move backwards and forwards within their sleeve fine.

Forward, neutral & reverse are working fine.

If you can help, many thanks in advance.

Ribtecer
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Old 06 November 2019, 11:45   #2
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Country: UK - Scotland
Town: Fort William
Make: Humber Destroyer
Length: 5m +
Engine: Yamaha F80
Join Date: Mar 2012
Posts: 2,322
RIBase
The lever won't return to idle on its own.
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Old 06 November 2019, 13:30   #3
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Country: UK - England
Town: Winchester
Boat name: The Bandit
Make: Ribtec 535
Length: 5m +
Engine: Yamaha 90 2-Stroke
Join Date: May 2009
Posts: 372
Quote:
Originally Posted by A1an View Post
The lever won't return to idle on its own.
Thank you A1an, that really is most helpful.

I hope it's just setting up the cables and levers correctly.
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Old 07 November 2019, 12:58   #4
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Country: Ireland
Town: Letterkenny
Boat name: Sunbird
Make: Atlantic Composites
Length: 6m +
Engine: Outboard Petrol
Join Date: Nov 2019
Posts: 2
Hi Rib tecer
Check that your controller has been put back together correctly. There is a small roller that runs in the track for moving the Cable leavers. Sometimes that drops out if you have the controller apart.
Regards
Tim
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Old 07 November 2019, 16:18   #5
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Country: UK - England
Town: Winchester
Boat name: The Bandit
Make: Ribtec 535
Length: 5m +
Engine: Yamaha 90 2-Stroke
Join Date: May 2009
Posts: 372
Quote:
Originally Posted by Ribrepair View Post
Hi Rib tecer
Check that your controller has been put back together correctly. There is a small roller that runs in the track for moving the Cable leavers. Sometimes that drops out if you have the controller apart.
Regards
Tim
Many thanks for your asistance, I have been working on it today and I am happy to confirm it's now working correctly

On a hose pipe it is purring like a kitten, I hope on the water it roars like a lion.

Thanks again.

Ribtecer
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