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Old 17 August 2012, 14:24   #1
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Country: UK - England
Town: Fareham
Boat name: Onelife
Make: Ribcraft 4.8m
Length: 4m +
Engine: Suzuki 60hp
Join Date: Jan 2012
Posts: 14
Suzuki 60 - 2003 - loss of power!!

Hi All

Can you help?

My engine is not firing on all cyclinders, well, that's what seems to be the issue.

What should I check first:
Plugs
HT leads
Fuel
and what am i looking for.......!!


Thanks
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Old 17 August 2012, 14:36   #2
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Country: UK - Wales
Town: West Wales
Make: Vipermax 5.8, SR4.7
Length: 5m +
Engine: 150 Opti, F50EFi
Join Date: Sep 2005
Posts: 6,299
Check for a spark first
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Old 17 August 2012, 15:41   #3
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Country: UK - England
Town: Fareham
Boat name: Onelife
Make: Ribcraft 4.8m
Length: 4m +
Engine: Suzuki 60hp
Join Date: Jan 2012
Posts: 14
Thanks

Once the rain stops that will be the first thing I'll get on with

Reagrds
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Old 18 August 2012, 09:38   #4
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Country: UK - Scotland
Town: Glasgow
Boat name: snagglepuss
Make: Shetland
Length: 6m +
Engine: 90 hp Outboard
Join Date: Nov 2011
Posts: 562
Hi

after the sparks check fuel lines and filter, check HT leads, if that does not help clean carbs. oh and I am taking it for granted that you battery is ok.

good luck

Dave
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Old 18 August 2012, 23:30   #5
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Country: UK - Scotland
Town: Port Logan
Boat name: Red Fox
Make: Zodiac Pro 500
Length: 4m +
Engine: Yamaha 70hp
MMSI: 232004329
Join Date: Aug 2002
Posts: 323
A cracked plug was the cause in mine once. When was it last serviced?
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Old 18 August 2012, 23:36   #6
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Country: UK - Scotland
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Make: Ribcraft 585
Length: 5m +
Engine: Yamaha F115
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Posts: 2,896
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Quote:
Originally Posted by Sailingsid View Post
Hi All

Can you help?

My engine is not firing on all cyclinders, well, that's what seems to be the issue.

What should I check first:
Plugs
HT leads
Fuel
and what am i looking for.......!!


Thanks
You are looking for a needle in a haystack!!

We have a similar problem on a Yamaha 75, bottom cylinder not firing, we checked everything, plugs, coils, leads, wiring, CDI unit, compression test, reed valves, carbs stripped and cleaned and we STILL have a problem! Powerhead off tomorrow, suspected crankshaft seals.
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Old 19 August 2012, 16:56   #7
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Country: UK - Wales
Town: Here
Boat name: doggypaddle
Make: Avon 5.4 Searider
Length: 5m +
Engine: yamaha 80
Join Date: Jul 2007
Posts: 1,107
have you checked the fuel pump diaphragm? they can split and fill the crank case with fuel......
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