Recent content by B58

  1. B58

    Mercruiser ECM 555 Issue

    The four pin connector is for diagnosis using CDS, to connect the vessesl view mobile. has your engine got 14pin round engine to helm harness?
  2. B58

    Mercruiser 4.2 D-tronic

  3. B58

    Mercruiser 4.2 D-tronic

    Try google 0281002204 there are plenty of options, you just have to hard wire into harness.
  4. B58

    1gm10 issues

    I would check the start spring which is mounted inside the front cover, the spring sits on the governor shaft between two mounting posts. what happens the spring holds the fuel rack longer in excess fuel position allowing the engine to cold start. The spring weakens over time and the rack to...
  5. B58

    Looking for Yanmar/Kanzaki KM2P / KM3A with 3.22 or 2.62 ratio

    Hi Stonecan it would be easier to replace the the gearbox if you look around there were many GM series engines that were sold i have found this one on ebay Kanzaki KM2P 3.22 Transmission - GM & YM Range | eBay You will be able to sell yours no problem....oh and dont forget the ratio in astern...
  6. B58

    yanmar GM10 wont start

    Its 99% a bent rod, its usually caused by water Hammer. Did you have any periods of long cranking? you should crank an engine longer than ten seconds. The rod is bent through water being pumped through the elbow and filling the exhaust until it runs back into the engine. You must turn the...
  7. B58

    Warning horn - merc 5.0 efi with alpha

    Please check the water inlet on the back of the transom remove the pipe and make sure the water hose hasn't collapsed? If clear check the water pump for wear, the alarm will come on if its overheating through loss of flow, while underway when the alarm comes on, check to see if the temp gauge...
  8. B58

    Yanmar oil pressure problem

    Most engine manufacturers oil pressure alarm strategy will be between 0.2-0.6 bar dependent on N/A or turbo, I would get an oil pressure measurement taken from the main oil gallery when the engine is hot at low idle, the figure will tell you your engine condition. I think your problem is based...
  9. B58

    Emergency fuel tank

    I think your issue is down the tank, if you have the slightest air leak fuel will run back into the tank. Check the lift pump valves for debris it could hold the valve open. you could fit an outboard style hand primer which would assist the little lift pump, it also has a one way valve...
  10. B58

    Intermittent Problem

    If Fame free, it must be MDO?
  11. B58

    Yanma GM10 cold starting

    1GM10's have a cold start facility, when you shut the engine off the governor forces the rack into 100% excess fuel, once the engine starts the rack is pulled back. the problem is that the cold start mechanism gets a bit slack, this is caused by the start spring slackening off (fig 15) this...
  12. B58

    Yanmar 10

    It depends on the alternator size and how much the battery drawing, That's why 1GMs's had a 35amp alternator.
  13. B58

    Stono

    Have you dealer use a OBD reader to check to she what the pressure dropped to, is the sump over filled?
  14. B58

    Yanmar oil pressure problem

    what oil are you using?
  15. B58

    Intermittent Problem

    Polishing may help, but the black viscus fluid could be aspheltines, tank needs to be cleaned including all fuel pipes an fie equipment, what fuel are you using?
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