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Recent content by colsum

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    KAMD-42 Low oil pressure

    My son has just replaced his original volvo with a used KAMD-42 that has around 2900 hours. The engine has been checked over, oil, filters etc all been changed. The engine starts and runs well had initially has an oil pressure of about 65 psi when under power. However after 10-15 minutes the oil...
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    Volvo 290 stern leg astern lock

    I have a permanently moored launch and have a problem with the stern drive lifting up when put in astern. The lock or latch mechanism that retains the leg is not working due to marine growth accumulating around the latching system. The antifouling paints do not appear to be anywhere near as...
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    Mercury 150 hp 4 stroke problems

    My 150 hp motor has developed a couple of problems which are probably related. The motor performs normally from low speed to WOT however when at idle and out of gear the motor is blowing bubbles from the prop which I think means that the exhaust bypass is not working correctly. Also when...
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    AQAD40B injector retaining collars breaking

    Have a weird problem with my injectors. Last week started up my STBD engine which idled normally for a couple of minutes then I heard this "poof" and continuing "poof poof" from the engine bay. On investigation I found that the retaining collar on No 4 injector had broken in half allowing the...
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    AQAD40B Volvo blowing cooling hose

    Have noticed in recent outings that my port engine was running slightly warmer than my starboard engine. Last trip running the engine around 1500rpm everything appeared ok but on increasing rpm up to 3000 and after a couple of minutes the rubber end plate attached by two hose clamps to the rear...
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