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    • J
      j24jam replied to the thread Yanmar 4JH issue.
      Thank you. Good to know. Will be speaking to a turbo specialist tomorrow
    • J
      j24jam replied to the thread Yanmar 4JH issue.
      Have just split the turbo to see what it's like inside. This exhaust side is badly rusted so the fan cannot rotate within in. Anyone...
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    • J
      j24jam replied to the thread Yanmar 4JH issue.
      Finally got the turbo off. It's very seized. See all the crud on the exhaust side. The flaking bits appear to be a mix of soot and...
      • Screenshot 2024-10-12 at 13.45.47.png
    • J
      j24jam replied to the thread Americas Cup 37 about to commence.
      I'm enjoying the AC40 / Youth AC racing... but what are they using to power the sail trim/ foils? Obviously no human input such as the...
    • J
      j24jam replied to the thread Yanmar 4JH issue.
      Thanks for everyones help so far, it really is appreciated. Sadly my friend hasn't got time, so will have to have another trip to the...
    • J
      j24jam replied to the thread Yanmar 4JH issue.
      Ok, thats interesting... seeing if a friend can go have another go after work to save me a trip back to the boat... I may have been...
    • J
      j24jam replied to the thread Yanmar 4JH issue.
      Sadly the lift out and bottom clean didnt have any major effect on the engine performance. We've gone from maxing out at 2350RPM to...
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    • J
      j24jam replied to the thread Yanmar 4JH issue.
      Good to know (would you recommend someone like PB Asher for the injectors or elsewhere if needed)? We only pulled the air filter to...
    • J
      Does anyone recognise this brand of companionway hatch lock? The plastic handle has broken, and ideally just looking for that, but I...
      • Screenshot 2024-09-17 at 16.35.01.png
    • J
      j24jam replied to the thread Yanmar 4JH issue.
      Perhaps, we dont get any black smoke so not expecting blocked up exhaust? (The exhaust hose was new a year ago too, so could only be in...
    • J
      j24jam replied to the thread Yanmar 4JH issue.
      Thank you, I really hope thats the case. I have booked a lift for tomorrow morning so will clean up the hull and prop and retest. If...
    • J
      j24jam posted the thread Yanmar 4JH issue in Motor Boat Forum.
      We've got a 4JH2-DTE which is not making full revs. It's currently maxing out around 2500RPM and it should reach, on paper, 3700RPM...
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