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#10782957 - 04/20/15 08:30 PM mariner problem
fivepinhunter Offline
Outdoorsman

Registered: 04/12/13
Posts: 80
i have a 98 efi 200 mariner.rebuilt powerhead in 06. just had injectors cleaned and adjusted with no major issues with them. replaced fuel bulb and fuel hose to motor. fuel hose size is 5/16. ran it on the lake sun for the first time and hit 3k rpm coming out of the hole but hole shot was awful, like its missing a little something. wot rpms were 5600 and 58mph. before my rpms were 5800-5900. 63-65mph. could new fuel line size cause this? any other ideas? thanks

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#10783582 - 04/21/15 05:11 AM Re: mariner problem [Re: fivepinhunter]
TLW Offline
Extreme Angler

Registered: 11/16/06
Posts: 2004
Loc: ft worth
this start after tha injector service?.. tha 5/16" won't cause it..

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#10783773 - 04/21/15 07:48 AM Re: mariner problem [Re: fivepinhunter]
gary purdy Offline
TFF Guru

Registered: 05/24/03
Posts: 10537
Loc: Littlefield Tx & Lake A. H. US...
Just a guess. Getting everything back in place without a leak on the fuel injection system can be tuff (a lot of "O"rings). I always pressure test it with fuel before re-installing. Don`t overlook the simple things like a spark plug wire coming off.
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“The world will not be destroyed by those who do evil, but by those who watch them without doing anything” GOD IS GOOD

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#10784781 - 04/21/15 12:59 PM Re: mariner problem [Re: fivepinhunter]
fivepinhunter Offline
Outdoorsman

Registered: 04/12/13
Posts: 80
yes this started after injector service. i will check pressures. thanks for any ideas and suggestions

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#10785269 - 04/21/15 03:41 PM Re: mariner problem [Re: fivepinhunter]
TLW Offline
Extreme Angler

Registered: 11/16/06
Posts: 2004
Loc: ft worth
like Gary says.. lotsa little parts, especially O-rings which need ta be replaced with new, injector harness (inside tha plenum) checked and etc.. did you get a chart with tha injectors with recommendation as to which injector needed ta be in which cylinder?.. flow chart showing what each one actually flowed after tha cleaning?.. new screens?...

a good service will include all that...


Edited by TLW (04/21/15 03:48 PM)

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