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    Lost rpm

    Hi all I need your help, I have a problem with my mercury OPTIMAX 200 engine, year 2006. Engine has lost rpm, it usually runs between 5300 and 5400 Rpm at wot. Now it's maximum rpm is around 4200rpm, I have replaced spark plugs, fuel filters but problem remains. It also seems to get worse when I...
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    Mercury OPTIMAX 200 problem

    Hi, I have a problem with my mercury OPTIMAX 200 engine, year 2006. Engine has lost rpm, it usually runs between 5300 and 5400 Rpm at wot. Last few times I went out with it Engine maximum rpm is around 4200rpm, I have replaced spark plugs, fuel filters but problem remains. It also seems to get...
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    Mercury 9.9 hp 4 stroke upgrade

    Hi, I was wondering if it's possible to upgrade my 9.9hp four stroke engine to a bigfoot is this possible? And if it is, what do I need to change? I use this auxiliary engine on a 20 foot boat mainly for trolling, maximum speed wot is 4 knots, I would like to upgrade hoping that I would be able...
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    Auxiliary engine

    Hi all, I have a 20 foot boat, lately I have installed a 9.9 hp auxillary engine is there any special way how to tie the auxillary engine when driving with the main engine?
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    Mercury optimax stalls at idle

    Hi All, This is an update for an old problem i have never managed to solve. I have a mercury optimax 200 year 2006. This engine Stalls on idle. Apart from the idleing problem engine works great. Problem has started about 5 years ago below you will find all things we have tried to solve the...
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    Optimax Annual service.. 220 hours

    HI i've got an mercury optimax 200 year 06.. has worked for 220 hours, going to give it an annual service is there something i should change after 200 hours for example impellor, plugs or something in particular... Thanking you in advance for your help...
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    Smartcraft trim gauge not working well

    Hi i have a problem on my Mercury optimax 200 Year 2006.. Im having a problem with the trim gauge (smartcraft gauge) its seems to be loosing its calibration.. The engine trims normal but the gauge does not mark well.. Any ideas??? i have calibrated the gauge but seems, its loosing its...
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    Mercury optimax 200 stalls at idle.. please help

    Hi I have a Mercury optimax 200 year 2006. I have a problem it is stalling at idle.. Could some one help with this problem.. I have checked my fuel lines and dont seem to have any problem with does.. Any suggestions on what could it be.. THanks
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