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  1. smsscuba

    Loss of power

    I have an old 1985 Mariner 20hp two stroke outboard. No problems from it before untill today when I was trolling at low revs. After about an hour it seemed to want to splutter and die, I pumped the fuel primer ball and it did not really help much. When trying to open the throttel it would only...
  2. smsscuba

    What paint to use ?

    I want to repaint my aluminium prop and looking for suitable paint. What could I use?
  3. smsscuba

    What pressure to inflate?

    I have an older Avon 3.8m inflatable with serial number AVB9681H888. any idea of the age and what the pontoon and keel pressures should be?
  4. smsscuba

    Propguard for outboard....good news or bad news?

    I have an old 1980`s 20hp outboard and have on a few occations now pinged my prop on shale banks when negotiating the River Stour. I now have forked out ?38 each time to have the prop repaired. Can someone please advise me if its worth it to install a propguard? Will it help to reduce prop...
  5. smsscuba

    Looper or crossflow?

    Just want to know if my 1985 Mariner 20hp is a looper or crossflow?
  6. smsscuba

    Mariner 15hp stuck in forward gear

    We collected a 1990 model long shaft 15hp (09610766) last night and tried to get it into neutral and reverse, but it was stuck in forward.We tried this without starting it, but manually turned over the engine.The gear lever shaft refuses to move.The previous owner says he used the motor last...
  7. smsscuba

    What age is this outboard?

    I have collected a 15hp Mariner outboard today with a serial number : 09610766 Can someone please help me to identify it, ie: what year ect and a parts list.It does mention Belgium on the plate alongside the serial number.This is a long shaft model. Many thanks in advance
  8. smsscuba

    Thermostat removed....good or bad?

    I have an old 1985 model 20hp mariner two cylinder 2 stroke. Sent it to my local repair shop to be checked over since a body overhaul and pump rebuild.It fired up quickly and had a strong and steady tell tale. They scanned the engine with an infrared gun and found a hotspot before the thermostat...
  9. smsscuba

    ID required for 20hp

    I have just bought a 2 cylinder mariner 20hp outboard.It has Mariner 20M 6A95012515 printed on the data plate.Can someone help me to the age and where to get an exploded view of the outboards parts?
  10. smsscuba

    Johnson 6hp, can`t find parts list

    I have an old 6HP Johnson 6BAL78B with serial number B23813. I think it is a 1978 model, not sure. I am looking to replace the impeller as it starts easy and sound healthy, but is not passing water through the pee hole. I am wanting a parts list but can`t find anything on the internet. Can...
  11. smsscuba

    Tell tale only dribbles a little water

    My Tohatsu 3.5 4 stroke outboard is doing strange things.Today when I ran it in a barrel, no water was coming from the pee hole.I then remover the lower leg and checked all pipes and the impeller itself.All was in a good condition, so I assembled all back together and fired it up again.Only a...
  12. smsscuba

    How tight must wheel castle nut be?

    Last week whilst towing my speedboat home, my left side wheel decided to escape and hurdle down the motor way while doing 60mph. I decided to replace both hubs including bearings.The thing that concerns me is that both castle nuts are only just "nipped up" with a new split pin inserted.Will the...
  13. smsscuba

    What is meant by the term "Holeshot"?

    What is meant by the term "holeshot"? I have had numerous replies to do with my Johnson 35hp outboard and am a bit confused. Could someone explain this to me?
  14. smsscuba

    I need a faster prop

    I have a 1998 Johnson three cylinder 35hp outboard with a four blade "whale tail" prop (10-1/2 x 12).I can only get 26 knots on my 12ft speedboat (WOT at 5000rpm). Is there another prop type I can use to achieve any more speed from the engine?
  15. smsscuba

    3.5 hp does not want to idle

    My 2008 Tohatsu 3.5 four stroke outboard (MFS3.5) stalls if let run on very slow idle.What can I do to stop this. The plug is new, carb slow idle jet was removed and cleaned.
  16. smsscuba

    Is 25 knots ok for 35 HP?

    Today I put my 12ft Picton Sprint in the drink to test her water worthiness. She is powered by a 1998 3 cylinder Johnson 35hp outboard. I managed to squeeze 25 knots out of her (bearing in mind that I am well over 100kg in weight!). Is this an acceptable speed for a 35hp?
  17. smsscuba

    Hydrofoil Doel Fins

    I have a set of these hydrofoil doel fins bolted to the lower leg of my Johnson 3 cylinder 35hp outboard.The boat gets on the plane at around 10 knots. Does anyone think they are a waste of time and slowing me down by causing too much friction in the water or are they a value to the outboard?
  18. smsscuba

    Where do I find a good service/workshop manual?

    I have a 1998 35 hp Johnson and am seeking a service/workshop manual.I have seen via this forum that one is to steer clear of the Seloc manuals. Has anyone any info as to what manual I require and where to purchase it?
  19. smsscuba

    How do you fix leaking carb bowl?

    Hi All, My Johnson 35hp has a leak on the lower carb bowl.It is made of plastic.I have removed the float bowl and placed it against a sheet of glass.I can swear it is almost level. The thing is, is that there is a raised ring running around the bowl, so if it is flattened on a piece of...
  20. smsscuba

    Outboard bogs down when in gear...help!

    I have a 1998 3 cylinder Johnson 35hp (BJ35ARLECR) that when put into foward gear, only gives low,limited revs on full throttle.I can get full revs when in neutral. I removed all three sparkplugs and checked for spark.All three coils do produce a nice blue snapping spark, also I noticed that...
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