Help with Crank for 5hp Briggs

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Hellion

Hellion

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Interesting block configuration in that there's extended material below both the intake and exhaust ports. Strengthens the block no doubt but I think that is a feature of the Raptor III engine as well.

OzFab said:
The quick, easy way to clean it is by using phosphoric acid; failing that, dump a can of coke in it...
Click to expand...

I've got one of those POR-15 motorcycle fuel tank restoring kits that has phosphoric acid, a degreaser and the fuel tank coating in it. Been aching to give it a try--you can do several tanks with it too.

Then you can just stay away from ethanol gasoline for extra insurance. :)
 
Kentucky Boy

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I need to get one of those kits. I want to salvage the original tank if possible for another 5hp Briggs I have. I used one of those kits on a motorcycle tank and it worked great.
 
Hellion

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Kentucky Boy said:
I need to get one of those kits. I want to salvage the original tank if possible for another 5hp Briggs I have. I used one of those kits on a motorcycle tank and it worked great.
Click to expand...

Yeah, I've got a few bad tanks and while they're not rusted through or anything, the insides are pretty crusty and...brand new Briggs gas tanks are expensive.
Not sure why Briggs stayed with steel tanks for so long, long after nearest competitor Tecumseh (now defunct) started using plastic.

I like this video and how Taryl addresses using and reusing the solvents and acids. Normally we'd just toss the liquids after using but I like the idea of pouring it back in the container or another jug.
Skip to about 14:00 minutes in....

https://www.youtube.com/watch?v=cduI0OrlViI&list=LLL8nJ96us5midbaSL65qfQA&index=23
 
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