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  1. Lubosleftboot

    Fuel mix and induction

    Noticed today that there is a hairline crack on the crankcase upper on this motor as there was a small amount of water coming out of the fissure whilst the engine was running. I noticed also that one of the vacuum pipes that connects to the carb is very close to where the crack is situated as...
  2. Lubosleftboot

    Mariner/yamaha 8b 1982

    Re: Mariner/yamaha 8b 1982 Righty ho still no further forward with this piece of c**p looks like it wants to got to the trash. :( Fitted different carb but right one for this motor and it still does the running for 5-10 secs and then cuts out:mad:..I am totally at a loss as to why this sod...
  3. Lubosleftboot

    Mariner/yamaha 8b 1982

    Re: Mariner/yamaha 8b 1982 Hi Gerry 8a has a different carb to my motor bud..here are a couple of pics. mariner 8M according to the serial number bud.
  4. Lubosleftboot

    Mariner/yamaha 8b 1982

    Hi Guys Recently acquired a mariner 8 hp 2 cyl 2 cycle engine of around 1982 vintage that is virtually identical to the yamaha 8b engine of the same vintage and I have an irksome problem. This engine will start and run for about 30 secs then it dies and refuses to start. I have checked the...
  5. Lubosleftboot

    Merc 4 hp 1971 model

    Hi guys Got this small merc and it has a problem that is perplexing me. The engine will start and run for 5 minutes but then it cuts out and refuses to start at all. The carb is spotless has fuel in the bowl and the primer bulb is hard so that rules out the fuel pump or a blockage...Also ran...
  6. Lubosleftboot

    Johnson 3.3 hp starting problem

    Hi Guys, Looking for a bit of advice on trouble getting this engine to start. It is a single cylinder 1998 model with straight drive. When I acquired the engine the spark was very weak and eventually died so I replaced the power pack and now there is a bright blue spark present. As the engine...
  7. Lubosleftboot

    Jonny 15 hp 1999 model

    I am posting this to enquire if any of you guys knows how to fit the gear changing remote cable to this motor as I wish to change my motor from tiller control to remote cable control. I have looked on the BRP site and the remote kit for this engine is strange in that I cant for the life of me...
  8. Lubosleftboot

    Evinrude fuel/oil ratio

    Hi Guys I have just winterizedmy Evinrude 5hp motor and as I changed the plugs I noticed they were black and oily.Now this is usually a sign of an over rich fuel mixture but I noticed this wee label on the port side of the motor that says 100/1 I have been using a 50/1 ratio as I thought all...
  9. Lubosleftboot

    Quick Question

    Can a powerpack deliver a weak spark when faulty or does it stop working completely as it is a solid state unit? LLB :)
  10. Lubosleftboot

    Quick OMC question

    From what year did OMC rate HP at the propellor and not the crankshaft? Cheers LLB:)
  11. Lubosleftboot

    Small Mercury single

    I have tried looking on this site and other specific Mercury sites to try and find out the answer to my question but as I have had no luck I am trying here.. Firstly I am not sure of the year and HP of this single cylinder motor as there are no decals on the hood.The serial number is 09700958...
  12. Lubosleftboot

    98 jonny 3.3

    I have done a search but cant find my specific problem so I am starting this thread. I bought a 3.3 direct drive Johnson of 1998 vintage yesterday but when I took it out today to test it, it conked out after 10 minutes and it now refuses to start. I stripped and cleaned out the carb changed...
  13. Lubosleftboot

    Mercury 18hp blueband

    Hi I have been offered one of these motors for a reasonable price but as I know nothing about Mercury motors I thought I would ask you guys a few questions before I buy it. Is the mid 70s 18 horse motor a good motor reputation wise? Is there any major known faults to be wary of? Is $400US...
  14. Lubosleftboot

    evinrude 5hp

    I have tried to search but I keep getting messages about not enough letters in my search criteria...:( so I am starting this thread... I have a 1987 5 hp evinrude 164cc twin cylinder motor and I have since found out that the 8 hp engine is the same cc so I got to wondering how I could get those...
  15. Lubosleftboot

    WOT problems on a 35 rude

    Hi Guys I have done a search of the site but I cannot find an exact match to my problem so I have decided to start a new thread. I recently rebuilt my 1981 35 hp rude and it is now fitted to the back of my boat.My problem is that my engine will not go to WOT.I have cleaned the carb throughly...
  16. Lubosleftboot

    1971 mercury red band 4 hp

    I am having trouble sourcing parts for this engine in the UK so I thought I would try you guys... I require a carb or a carb kit and a propellor for this motor.It is defo a 1971 model so there is no point in posting individual engine numbers.. This engine is very clean and appears to have been...
  17. Lubosleftboot

    Johnson 30 1988 (BJ30BALCEE)

    My friend has just brought one of these engines round to me as he couldn,t get it going and lost interest in it. He thought the engine was seized but when I stripped off the rope start assembly it had fallen apart and the centre nut on the starter assembly was jammed against the crown nut.With...
  18. Lubosleftboot

    long to short

    I have just bought a Mercury 8 hp LS outboard and I was wondering how hard it would be to convert it to short shaft. Is this a new drive shaft job the same as OMC motors? Cheers LLB
  19. Lubosleftboot

    Carburetor

    I would like to know the difference in the carburators between the Jonny 7.5 and Jonny 5 hp....Is it just a main jet size or is the carburator totally different?as in throttle body size,slide size etc? Both motors are 164cc so it would seem to me that power output regulation would be achieved...
  20. Lubosleftboot

    1981 Evinrude 35

    Hi Just serviced this motor and have ran it in a barrel to make sure the new impeller is OK and all appears to be alright.Here is a link to the motor running my question is does the engine sound OK to a more experienced ear?I reckon I can hear a wee knock but I am not sure.What do you guys...
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