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Old 01 August 2005, 10:43   #21
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andy had the same problem on my one found its was the carbs and the timing just kept stalling atb idel

see this report timeing for a 2003 mercury two stroke

hope it helps

dan
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Old 01 August 2005, 11:33   #22
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Quote:
Originally Posted by Daniel TD5
andy had the same problem on my one found its was the carbs and the timing just kept stalling atb idel

see this report timeing for a 2003 mercury two stroke

hope it helps

dan
Dan does your motor still run, seems like years since you've had the old girl in the water, must be spiders and shit living under that hood

If your gona sell her can i have first dibs on your dry suit
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Old 02 August 2005, 03:04   #23
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You should have one fuel pump. Its on the Rear of the engine. Its square in shape and sits on the cam cover of the head. Its run by the cam shaft, there should be no mechanical links to it, only one fuel hose in and one going out. In fact come to think of it, it might not be square in shape . Depending how old it is. Some of them have a round ish shape one with three cross head screws in the front of it. Its not uncommon for the plunger inside the pump to stick.
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Old 02 August 2005, 04:43   #24
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Old 02 August 2005, 05:40   #25
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Quote:
Originally Posted by Turbodiesel
You should have one fuel pump. Its on the Rear of the engine. Its square in shape and sits on the cam cover of the head. Its run by the cam shaft, there should be no mechanical links to it, only one fuel hose in and one going out. In fact come to think of it, it might not be square in shape . Depending how old it is. Some of them have a round ish shape one with three cross head screws in the front of it. Its not uncommon for the plunger inside the pump to stick.
I actually have two fuel pumps and they're square shaped, but what I was referring to was the accelerator pump. Its kind of saucer shaped and sits by the throttle cam mechanism. It has a rod comming out one side that connects internally to a diaphram which is in turn operated from the vacum created by each one of the four carbs, Turbo.

Andy

.......PS: Thanks Olly .
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Old 28 August 2005, 20:50   #26
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I still haven't sorted this one out. Checked out the throttle side of things which seem fine, went out on the water and things are even worse than before!! ( and I haven't even moved anything).

Will book it into Lee's next week if I can't get a carb balancer.

Andy
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Old 10 September 2005, 21:01   #27
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Just an update and closure.

All those that sais Carb......Give youself a pat on the back!

I took my Rig to Dean at Hedge End outboards (07749633797) on the recomendation of a couple of RIBnet vets, left it there all day. He stripped down the Carbs and found a little crap in the top three ones and loads of salt crystals in the bottom one. He also found the two blanking plugs on the inlet manifold (ones used for balancing) had come loose.

The upshot of this is that I had a very nice trip out this evening and she's purring like a cat again.

Thanks Dean! Highly recommended, good value, Outboard doctor.
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Old 11 September 2005, 03:25   #28
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Hi

Pleased, you sorted the problem do you use a fuel water seperator style filter (the ones with the clear bowl on the botton) external to the engines filter.
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Old 11 September 2005, 04:31   #29
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The upshot of this is that I had a very nice trip out this evening and she's purring like a cat again.
Good news Andy Hope to see her out and about soon
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Old 11 September 2005, 04:36   #30
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Yes I do Jono, but not the one with a clear bottom. It's a cartridge type one, oil filter style so doesn't have the advantage of the sight bowl in the bottom.

I was told by Dean that the salt crystals where probably caused by sea water or vapor being sucked in the bottom carb which is sitting in the bowels of the engine casing, I have been suffering from a certain amount of water ingress in the coweling and seem to get it more whilst pottering around at displacement speeds. Attemps to stop this have been unsuccesful but I'll have to give more attention to this problem to prevent the Carbs from getting clogged again.

Andy
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