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  1. billywhizz

    Mercruiser 485 3.7 litre new head!

    Hello Fellas, I have just this week fitted a new/remanufactured head along with new rockers, push rods,oil change etc, all good, went out to Sea yesterday but kept the revs down to below 2000rpm, can anybody suggest a running in time or sequence (assuming that it needs running in) in terms...
  2. billywhizz

    Engine cuts out, 485 merc

    1982 485, runs well, starts good hot or cold, but when i am in a confined area and need to manouver, after 2 or three gentle pumps on the throttle the engine cuts out, starts right away, but trying to get on:redface: on a swinging mooring with boats packed tightly and a very strong tidal...
  3. billywhizz

    Which battery?

    I have 1982 485, cant seem to find the battery spec any where, does any body know what AH rating should be? it has 90ah at the moment, green light and hydrometer both say ok, but turns engine slowly, if i jump from leisure battery 105ah, all bursts into life if i fit 125ah will this do any harm?
  4. billywhizz

    Sterndrive stays up

    1982 485 with mercruiser drive, i fitted new trim cylinders all ok, bled out the air up and down at least 10 times before launching the boat, the first time i try to adjust the trim at sea the drive comes up easy but wont go down the pump is running and up to the top with oil, eventually i got...
  5. billywhizz

    mercruiser 485 engine cuts out

    Hi fellas, please help me out here?, I have mercruiser 485 with original drive, over the winter i have replaced the trim cylinders with new, all good and working fine but i now find that with the trim in the full down/in position the engine cuts out when i try to engage the drive forward or...
  6. billywhizz

    Which is best paint for stern drive?

    When i removed the barnacles from my drive after 5 months in salt water a lot if the paint came off where the barnacles were stuck on leaving exposed aluminium, can somebody suggest a good paint/undercoat and should i then paint over with antifoul? cheers. Happy new year!
  7. billywhizz

    Still with the Anodes

    I have 485 with Alpha 1 drive, I want to fit a block anode to bottom of the gimbal housing,but it has been pointed out to me that i need to replace the existing hydraulic hose mounting block that is bolted to the bottom of the gimbal housing, because the std one that is on there does not have...
  8. billywhizz

    PENCIL ANODES where?

    Hi all, I have mercruiser 485 which i use in salt water, does it have pencil anodes in the cooling system? where do i look? more importantly how do i go about ordering repacement in terms of ref numbers etc, thanks guys
  9. billywhizz

    Battery wiring advice please

    can anybody advise me how to correctly connect my leisure battery to the charging circuit, i have mercruiser 485 engine, the main battery shows 14.6 volts across the terminals with the engine running, when i do the same test on the leisure battery it reads 12 volts and runs down, the leisure...
  10. billywhizz

    wiring advice leisure battery

    can anybody advise me how to correctly connect my leisure battery to the charging circuit, i have mercruiser 485 engine, the main battery shows 14.6 volts across the terminals with the engine running, when i do the same test on the leisure battery it reads 12 volts and runs down, the leisure...
  11. billywhizz

    Mercruiser power steering fitting?

    Hello, I have a mercruiser 485 185hp with alpha 1, could i fit power steering to this , if so which pump should i use? will i need to replace or add pulleys? is this a difficult job that can only be done by a marine engineer? thank you for your time Bill
  12. billywhizz

    Water heater take off?

    I have mercruiser 485 3.7L engine, can any body tell me where ( if possible) i can connect so that i can run my water heat exchanger from the engine cooling system/ thanks Bill:
  13. billywhizz

    Too fast!! 1982 485, 3.7litre 2bbl rochester

    Hi, I have the above carb and engine, all cables are fine, lubed and not sticking, but the problem i am faced with is that there seems to be no range on the carb,ie: 1/8" movement on the control and she jumps from 650 rpm to 2000rpm as you can imagine this makes things pretty difficult when...
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