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    Yanmar 4LHA-DTP Turbo

    Hello All, I own a 25Ft motorboat with two Yanmars. The port engine was blowing thick black smoke the other day and the rpm would not go above 2000 rpm. I thought maybe a sticky turbo so I took off the inlet filter to check. Yes it was a bit sticky but i did also notice that two of the...
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    Yanmar 4LHA-DTP Anodes

    Hello All, I am hoping someone may be able to help me.... About 4 weeks ago I changed the anodes on the various coolers of my Yanmar engines. When I was looking around the engines yesterday I noticed a bit of corrosion/furring on four of the nearby brass plugs on the various coolers. The anodes...
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    Yamnar 4LHA-DTP black smoke around 2200rpm

    Hello All, Hoping to get a little advice. I am running a 25ft boat with two Yanmar 4LHA-DTP engines. The other day when I was out it was apparent that when the port engine rpm increased to approx 2200 rpm thick black exhaust smoke appeared. when rpm reduced to 700 (idle) smoking ceased. max...
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    ´05 Yamaha 225hp rpm hanging up at idle......

    Hi All, I have a problem with my Yamaha 225 ´05 outboard. When I pull the throttle handle back to neutral the rpm will hang up around 22,000. I have fitted a new 704 throttle remote and cables fitted as the cables were very stiff and the remote was loose & worn. The cables and remote is...
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    Propeller bubbles

    I was wandering of anyone could answer my query. I have Yamaha 225HP and when it is idling I notice that bubbles are coming out from the propeller area. I have a vague memory that someone once told me that this was an indication of some sort of restriction in the exhaust system.... however I...
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    Yamaha 225Hp (2005) outboard gearbox

    Dear All, I have a problem with the going into reverse. When reverse is selected on the shift it appears to be jumping out of gear or not fully engaging. It doesn´t happen every time but when it does there is lots of knocking etc. is there an adjustment that can be made inside the engine hood...
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    Yamaha 225 HP 2004

    When operating the Tilt & When operating the Tilt & Trim on the Outboard the trim motor is making a very bad sound and appears to be struggling to lift and lower the engine. My intentions are to remove the motor with the outboard trimmed up and on the mechanical safety bracket and inspect the...
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