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    yamaha 70hp

    HI i have a 70 hp it says made in japan , 70BEO 6H3 L ......& the number after the L , Ive been trying to find info on this motor i think its 1987 i could be wrong , is it possible to disconnect the oil pump& run the motor on 50:1 with synthetic oil i was told Yamaha tends to clog the plugs ...
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    CDI ignition kit

    can someone give me a site where i can get a price on the box with all the meters & everything that comes with the kit , thanks in advance , cheers :)
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    yamaha 20hp exhaust ?

    a m8t wants to buy a 20hp the model no: 20cm 6e9 s 01194 on the transom , now he says the exhaust coming out through the prop , & i told him they never made a 20hp with that serial no in the year 1994 , i have an impression something has been swopped , the ? what year did they change the exhaust...
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    Durban tests heat sensor

    many of us overlook this very important liitle sensor , we take cylinderheads off & repair everything else but this little thing : gets overlooled : uploaded is a photo of where ists located , & upon removeing note the rust on the surfaces , i put my soldering iron on it without cleaning it , &...
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    Durbans power pack modification

    I stripped a power pack to find out why it was not working , gonna replace one of the possiable resistors or 630v nichon capasitor then biuld my own with a safety fuse in it , should something go wrong cheaper for me to replace a 1dlr fuse than a 300 dlr power pack .
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    Durbans wireing harness & distubution overhaul 70hp

    the first thing i looked for was hair line cracks on the coils , you will find them on the back between block & back of coil spark jumps out through these cracks easy to see at night in the dark , fix them with epoxy solved the problem for me , secondly the rectifier the middle wire the red one...
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    Durbans Johnsonator outboard motors .

    Designed Fresh water Cooling system in New Zealand .Decals to follow on cowling , soon
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    Durbans heat resistant weld

    Epoxy 641 mixed with biulding cement powder .
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    durbans heat resistant epoxy formula

    today i made my own heat resistant epoxy put a lighter to it & does not set alight , i experimented 1st of all with Westsystems Epoxy & mixed it with 411 Microsphere Blend Light wieght filling aditive , left to go rock hard , put a ciggarret lighter to it & it caught alight imediately . then i...
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    Durbans new experiment .parrafin & accetone

    ive tried almost any thing i could get my hands on to mix with parrafin except benzine , witch is very diffecult to get and not good for our enviroment thats why petrol companys have done away with it mixing it with petrol . i got my doctors syringe out & measured milliliters of parrafin off &...
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    correct spark plugs

    help needed for my m8ts 150 hp its from the 1973 some years round there the last 2 no,s in the serial no is 99 , any info would be appreciated , many thaks
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    Durban fixes starter motor bendix gear

    yesterday there was a guy with a bendix problem , this is how i fixed one i , i used my epoxy formula , cut the flange with slots in , line it up with the rubber & drill holes into rubber , take it out agian & put my epoxy formula in then put it back & fill the slots with the epoxy formula...
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    2003 50hp vro

    2 stroke a m8t wants me to remove the vro & make it premix as he needs the space in the boat , i have not seen his set up yet , the sensible thing to do , is put it out to the pro,s , has anyone done this on this model motor , info would be much appreciated , thanks
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    New zealand new inventer boat propulsion

    I found this in nz forums http://www.3news.co.nz/Southland-inventors-revolutionise-boat-propeller-system/tabid/421/articleID/268643/Default.aspx#ixzz26DEXR1Mz http://www.contrapel.com/index.html
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    spark plugs & starting

    i was just thinking i know that its recommended to use the correct plugs , but what if i put a hotter plug in & set the timing to 0- degrees tdc as apposed to 4 - 6 degrees on some motors with the recommended plug surely by doing this it will not have any pre detonation thus eliminating pre...
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    durbans idea SPARK PANEL

    I am gonna get three neon globes the ones with gas in connect a wire to each point after coils & to each globe connect earth in series to the 3 globes mount this on a panel to my console so while you are going keep your eye on the globes every time the plug fires the globe will light up if one...
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    Thermostat

    I was just thinking about this , when motor is cold & just idling poppet valves are closed . water heats up to thermostat temp it , opens & lets the hot water out more cold water comes in it closes because i assume the temperature changes because the impeller pumps more cold water in & a...
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    make your own spark tester

    drill & tap into the flat side of the hexagon nut attach a wire & cut the little piece of metal of on the end of the plug fit a crocodile clip on the other end , wear leather gloves when you use it .
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    what you may find in your back garden in south africa

    this Black Mamba was in my brothers garden , its about 45years old , 7meter long & has enough venom-en to kill 400 adults the most dangerous snake in Africa .
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    ltrs per minute

    Does anyone know how many ltrs per minute a 70hp impeller would pump say at idle rpm & at 5000 rpm , the way i see it the slower the rpm the less water per minute thks
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