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  1. Superjetjim

    Mariner 200 - Pictures Enclosed - should this have an airbox?

    Should this motor (Year 2000 Mariner 200HP V6) have an airbox fitted to the carbs? What is know about this motor type - I'm aware it's a carb 2.5 but nowt more really. Is it much different to my older 81 vintage V6 150 Merc? Should I bin the Oil Injection or is it more reliable on these...
  2. Superjetjim

    Mercury v6 150 transom height?

    When running flat out (19ft ski boat) I'm getting 46mph out of this motor - must admit I expected more.. I have noticed two unusual tendencies: 1) Two thin walls of water rising vertically either side of the lower unit (not a rooster tail) it's right next to the transom. 2) The boat always...
  3. Superjetjim

    V6 150 Merc - safe operating RPM?

    Now I have my Tacho sorted and new prop fitted (21p Quicksilver) I wanted to check my RPM's are about where they should be - I'm seeing a smidge over 5,100 RPM flat out at 46mph pushing a 19" heavy deep V ski boat - hole shot is great and I normally cruise at 4,000RPM at 35MPH. Is this inline...
  4. Superjetjim

    Gone Ali to Stainless Quicksilver on Merc V6 results

    Just changed out a stock Ali 21p prop to a Quicksilver 21p (with the air vents in front of prop) - very Impressed with results, out of the whole is much quicker, top end 2mph better. Motor is a carbed 150 Merc V6 outboard and my boat is a 19ft ski boat. Main benefit is out of the hole - motor...
  5. Superjetjim

    Mercury and Mariner v6 150 parts interchangeable??

    Been offered the attached motor that was removed from a boat some time ago due to a gearbox failure - it doesn't come with the removed gearbox. Would the gearbox of my 1981 150V6 fit this newer Mariner 150 Opti? If it does I could get a much newer motor on the water for very little money.. I got...
  6. Superjetjim

    Merc v6 150 - Pisser Smoking and no water - video enclosed

    My motor has never pissed out of the pisser - fitted new stats today hoping to have fixed it. It's the same, ran it for 5 mins on the hose (see attached video) but all I'm getting smoke from the pisser and the odd dribble and blue smoke. Motor is plenty warm to touch (not hot) and doesn't...
  7. Superjetjim

    Merc v6 pisser?

    Not getting any water out if the pisser (left hand side of engine) - pipe is clear (can blow up it easily with cowl off and it's attached at the other end) I get water out of the exhaust ports when I blip the throttle - I assume this is not normal based on the YouTube clips I have seen. I've...
  8. Superjetjim

    Tacho not working - Black max 150 v6 *SOLVED*

    Hi looking for some help please - I have a black max v6 (91) which runs great apart from no reading on the RPM/Tacho. The speedo and fuel guage are working Ok and also a recent new throttle control box and loom so all that wiring down to the engine is good to go. Where would I start looking...
  9. Superjetjim

    How to test a tacho/RPM Gauge?

    I have a 150 v6 Merc and the dash tacho isnt working, it has power (back light lights up) but doesnt read anything when the motor is running. I have a brand new harness and control box so its not that - how do I test what remains (Guage and Yellow wire up to stator) - Can I simulate the pulse...
  10. Superjetjim

    Merc V6 Carb - Fuel leaking out and primer bulb soft?

    Hi, I have fuel pouring out of the botton left carb opening whilst running or shortly after stopping - Also the fuel bulb doesnt go hard anymore when priming - have I popped a check valve in the fuel pump? The engine is also lumpy at tick over or just above since this started happening -seems...
  11. Superjetjim

    Merc 150 V6 Cooling - is this correct?

    I have a 150 V6 Merc (1981) - when its ticking over I get no water from the pisser or the two exhaust ports. When I run it at 3,000 RPM in neutral (or in FWD) water comes out of the exhausts (pretty warm to the touch but not hot) Regardless of throttle no water comes out of the pisser - I...
  12. Superjetjim

    Mercury Control Box - Urgent help please!

    Hello, I have an 81 150 Mercury V6 that currently has this type of control box (but with PTT under handle): Its seen better days, wiring is bad and I would like to replace it with this one: Would this fit straight in or would I need a gender changer such as this: Do the harnesses come...
  13. Superjetjim

    Where is my Tach sender on Mercury 150

    Where is the tach sender on my Merc 150 1981? Tach guage not working so I wanted to check back from the source to the guage. Thanks
  14. Superjetjim

    How can you test the overheat alarm works?

    On a merc 150 1981? Never heard a beep since I've owned her, not even on start up?
  15. Superjetjim

    Merc 1981 150 user Manual

    Anyone know where I can get an operators manual for a Merc 1981 150 user Manual please?
  16. Superjetjim

    Newbie - 150 Mercury anyone help ageing this motor please?

    Hi I have purchased my first boat today (Picton 185GTS 1993) with a Mercury 150BHP out board - I'm guessing the outboard is older than the boat, S/N is 5678278 and its V6 non oil injection. Anything to look out for on this motor - any known weaknesses? After this picture was taken I have...
  17. Superjetjim

    Anyone know the make of this Bowrider please?

    Hi, Can anyone help ID the make/model and approx year of this boat? I'm looking at restoring it as a project. The motor is a Johnson 150 OceanRunner - are these generally OK units? Thanks for any help in advance. Jim
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