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    Durbans nitric acid does it every where

    Very handy acid to have in your workshop , for those that have tried to take the rubber mounts off from the bottom of the leg & before you can get to the rubber mounts you have to take the leg mounting bracket off first . what normally happens is that the head of the bolt breaks off leaving the...
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    Durbans refaceing exhaust box gasket faces 1974 70HP JOHNSON

    after some years your gasket faces look like this in the photo ,note the grey areas on the gasket face caused by corrosion & around the exhaust ports that's were water gets in causing all the damage . if you don't have a milling machine do this. get a rule & line it up with the edge ,were the...
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    Durbans radiator con progress

    what you see is real & not a Hollywood movie ,ha ha, I found an old washing machine on the dump striped it & put it to good use , for the time being this is my water pump & my radiator , to check if my conversions ive done inside the exhaust block , engine block , cylinder head , cylinder head...
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    Durbans con - rod mod

    ive done this to get more lube onto the main con-rod bearing as the piston comes down the bottom half of the con-rod lines up directly under the reed valve injecting lube straight onto the bottom half into the bearing
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    Durbans conrod mod

    ive done this to get more lube onto the main con-rod bearing , as the piston comes down the bottom half of the con-rod lines up directly with the reed valve injecting lube straight onto the bottom half of the con-rod ,
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    Durbans epoxy paint formula ,paint on almost anything 100% water proof & petrol proof

    Durbans epoxy paint formula ,paint on almost anything 100% water proof & petrol proof when i did my 60hp points conversion , i was looking for a good paint , found TOPLAC ,at 96dlrs , bought the best brushes , but was unhappy with the finishing touch , could see faint brush lines ,So started...
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    Durbans 70HP bench start without impeller & water still circulateing

    just making sure , all the modifications are working before fitting ,to go to the next stage , cheers
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    Durbans reedvalve reconditioning 1974 70hp JOHNSON

    the salt corrosion gets in every where ,reface them on a glass top with valve grinding paste , it corrects the idling & performance photos before & after , cheers
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    Durbans water flow improvements & experiments on 1974 70hp johnson

    I find it a common problem with 1970 ties motors ,where water gets in through the exhaust ports , especially the center port ,& there are 2 hot pockets on either side of the center port where no water gets in , ive made some improvement there , have a look at the picture & u will see some green...
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    NITRIC ACID ,Durbans , desalting of outboard motors

    NITRIC ACID : is the only acid that cleans salt deposits in the outboard motors that i rebuild , it is also the only acid that does not eat the aluminum , you can use it with out being diluted . RECOMMENDED : GET THE SAFETY INFO FROM THE CHEMICAL SUPPLIER BEFORE YOU USE THIS" NITRIC ACID " What...
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    Durbans formula

    often we hear : THE COMPRESSION is GOOD , STARTS & RUNS FINE . MY QUESTION I ALWAYS ASK MY SELF , YEA FOR HOW LONG , IS IT GONE BE LIKE THAT ? note the grey areas around the gasket faces < before the repairs have been done
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    durbans formula

    more photos note the holes eaten into the exhaust box , were we are loosing water , especially the 2nd photo , that's were it pisses back out the exhaust , and we cannot see this , buy refacing all the gasket faces ,works & where the aluminum has been eaten away i build it up with my special...
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    Durbans formula

    Iam busy with another one of my conversions this is a 1974 70HP JOHNSON ,this motor is gonna be fitted with a radiator & the impeller is still gonna be in place with the water still pumping as the motor turns , so its gonna have a backup cooling system should the radiator fail out at sea , the...
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    1970 60hp pionts & condenser conversion to timer base & sensor assembly

    more photos
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    1970 60hp pionts & condenser conversion to timer base & sensor assembly

    more photos
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    photos 1970 60hp points conversion to timer base & sensor & a few other conversions .

    photos 1970 60hp points conversion to timer base & sensor & a few other conversions . 1970 60hp Evinrude points conversions to:timer base & sensor fitted using original crankshaft : Electroshift to Manual using the original intake manifold : From short-leg to 20inch leg using original exhaust &...
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    1970 60hp pionts & condenser conversion to timer base & sensor assembly

    i made an error in my typing k ,my apology the listing no is 427206931 ...at www.trademe .co.nz
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    1970 60hp pionts & condenser conversion to timer base & sensor assembly

    sorry my error the listing no 427206931 & www.trademe .co.nz , to view my motor
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    1970 60hp pionts & condenser conversion to timer base & sensor assembly

    my motor can be seen at . www.trademe .co.nz type in listing no:42720693 , cheers
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    70hp jhonson 1977 stroke lenghth ?

    i need to know the stroke length on 70HP JOHNSON 1977 model no 70773s , can anyone help thanks
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