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  1. J

    Yanmar DLHDTE head gasket settings

    Hi really need some help with torque settings for bolting head after replacing head gasket..on Yanmar DLH DTE 175hp
  2. J

    Volvo turbos interchangeable??

    Hi can I put a KAD42 turbo on my AQAD40B.. I understand they are @ 200hp compared to my 165hp. Are they the same? any one know if it would work? They are both K26 but I dont know if there are differences other than that..?
  3. J

    Volvo 280 removal from transom

    Hi I am trying to remove Volvo Penta 280 drive from transom mount. I have removed bellow hose clamps, steering helmet bolt and water hose. Can some one tell me the easiest way to remove the two pivot pins on holding fork to transom. I have removed locking pins. Do they go in more or do they have...
  4. J

    Sterndrive gear ratio versus pitch of propellor?

    Hi, Can some one help. Can I change a same type sterndrive from 1.61 to 2.16. This will obviously change top end/ rpm/ tourqe. If I keep the same diameter of prop but increase pitch by say 5 inches am I getting back what I lost or are there other factors to think about?
  5. J

    Differences in Volvo penta 280 lower units?

    Hi, I have a few questions. I have a 165hp AQAD40B powering a 280 leg- 1.61 ratio. It is in really bad shape. I have a very nice condition 280 leg that is spare but it is a 2.15 Gear ratio model. Can I swap the drives completely and achieve the same speed/ torque by simply changing the...
  6. J

    Where are the thermostats?

    Hi all, where are the two thermostats (open at different temps) for a AQAD40B volvo penta diesel motor? How do I replace them..? please help...slightly over heating...:confused:
  7. J

    Change of gear ratio? Volvo AQ280

    I have two AQ280 drives. One on the boat (1.89 ratio) and one in shed (1.61). I have a AQAD40B motor..will it make a difference? I want to swap drives across but keep same ratio so boat performs same. How can you do it? is it lower part of leg to be swapped? How hard is it?
  8. J

    volvo 280 and 270 gear box comparison

    Hi all, I have a Volvo 280 outdrive and have just spent a heap of $ on it getting it all ok after previous owner showed no care for it. Its now running fine. I have the opportunity to purchase another 280 out drive to have as a spare for future dramas at a good price. Question is -It has been...
  9. J

    difference between Volvo AQ 280 stern leg and volvo AQ 290 out drive single prop

    Hi all, Can any one tell me the difference between a AQ280 outdrive (single prop-long hub) and a AQ290 outdrive (single prop-long hub). I am looking at buying one to either do up or use for spares for my AQ280..any issues with swap out of bits/ swapping complete drive?
  10. J

    AQAD40 rotation of motor/ start up after working on motor

    Hi, Can any one tell me what direction the AQAD40 motor turns..is it left hand? I have been doing some work on crank shaft seal and pulleys and have turned the diesel motor backwards and fowards while repairing..I have it all finished now and was wondering if there are any precautions before...
  11. J

    AQAD40b removing crank nut- what is best way to lock engine when undoing crarnk bolt?

    any ideas out there for ensuring motor doesnt turn when swinging on crank bolt (undo)..read a thread where owner had cresent on other pulley braced against sea water pump..sounds dodgy? must be a better way?:facepalm:
  12. J

    280 drive has vibration when turning?

    Hi, I have a AQAD40B powering a 280 stern drive. I have noticed that a small vibration when turning has become alot worse. It was small at lower revs at first and now seems to carry on thru the range . The more you turn the worst it gets? I replaced stern drive oil @ 20 hours ago and there no...
  13. J

    AQAD40B crankshaft oil seal?

    Hi, I have a small leak from my around front crankshaft pulley. I have the manual and it explains how to remove and install. It doesn't mention anything around any seal or lip seal between the timing cover and the pulley or hub.? Is there a seal and is it accessible with out removing timing...
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