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Finally retired and building my project bike

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JamesH:
Beautiful work. Love how this is coming together. Tank looks fine to my eye - it's not highly pressurized and the oil line is more than likley to be below the area changed, so even if you had an issue with porosity on the braze line (which I doubt very much) you should be just fine. Keep the pics coming...

K2-K6:
Shouldn't be a problem as the tank isn't pressurised. Ordinarily exits to air else it would oppose the scavenge pump from returning the oil effectively, so no problem from that aspect.

Volume,  probably be ok to just keep it at maximum on dipstick to make sure you don't compromise supply level.  Unless you are using a oil cooler as that would give easy compensation volume wise.

Brazing,  needs the heat just a little higher along with better fluxing to get good flow into fillet joint. Possibly some pin holes in it but you could test it by plugging holes and putting a little air in there,  then hold underwater to check for bubbles.

gamma:
Thanks guys, it is above the oil level and thanks for the advice about the brazing, after I cleaned it up, I did get a leak or two that I had to chase😃. Getting it hotter and cleaner with more flux was the answer.  I am using one of those small benzomatic propane and oxygen rigs.
Now I’ve got to completely redesign my battery tray and electrics, I’d already made one to go in the normal place with my home made wiring.

gamma:
I used muriatic acid in the oil tank to remove the rust. That worked ok, so I then used jenolite to try and stop flash rusting. It’s made a mess so I think I will look for an oil tank that’s not rusty inside and start from scratch.

gamma:
Moving on, after checking what jets etc: come fitted to the carbs and static balancing them, I installed them and started to make spigots, so that I can balance them with gauges

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