154 Carb Main Jet Size

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154 Carb Main Jet Size

Postby Bob McCarty » Fri May 06, 2011 7:19 pm

Can anyone tell me the jet size for part #404 945 R91? Carb is 405 004 R91 (I think). Need to find out to fix Stanton's carb tomorrow at the Kansas Cubfest. I can't find it anywhere I've looked.

Thanks, Bob
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Re: 154 Carb Main Jet Size

Postby Jim Becker » Fri May 06, 2011 10:45 pm

I found the number .040 in an I&T repair manual. Haven't seen anything to contradict it.

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Re: 154 Carb Main Jet Size

Postby Bill E Bob » Fri May 06, 2011 11:31 pm

With that size main, I'd bet the venturi is the larger one. Hope the discharge nozzle matches everything, I'm having a heckuva time getting mine to all match up :(


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