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1970 Yamaha 250 DT1C got it running


Ron Watson
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Hi Guy's,

Got the bike running yesterday although not to well.

It didn't want to wind out and starts blubbering at about half throttle.

I figured the o-ring on the needle jet setter might be missing or damaged. The o-ring was fine, but turns out somebody stuck a 200 main jet in it. It's supposed to be a 160.

I cleaned the carb and put a 160 main jet in it, it runs much better actually has pretty decent power.

Now to fix all the little bugs.

I'm having a problem with the banjo fitting on the oil tank. Oil seems to be leaking out of the fitting where the hose attaches to the barb coming out of the banjo.

Is the barb soldered or brazed to get a seal?

Thanks for any help.

Ron

1970Yamaha250DT1Coiltank001.jpg

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  • 4 weeks later...
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Not sure if its any help but i recently blasted and painted the oil tank on my 75 dt400, it looked to me like it was welded

sorry i cant be more help

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