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carb needle

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dreaming56
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Posts: 34
Joined: Sat Nov 29, 2008 12:39 pm
Location: Medicine Hat Canada

carb needle

Post by dreaming56 » Fri Mar 26, 2010 11:31 am

Good day, I have a problem with the 305, I bought a keyster carb kit for it and found out that the needle in the kit is not the same size as the original(set incudes a #D-3). I can't find a seperate part on ebay, the part number is 16151-266-004. Does anyone know where I might get a hold of one? The bike runs too rich and keeps fouling the plug on the one side. I'm pretty sure this is the fix. Any help would be appreciated.
Thanks Stan,

teazer
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Joined: Mon Feb 08, 2010 10:32 pm
Location: Midwest US

Post by teazer » Fri Mar 26, 2010 6:34 pm

Are you sure the fouling is excess fuel and not oil?

If so, have you adjusted the air screw and tried to drop the needle one notch?

That might be enough to clean it up. You may also want to double check the float level

It might also be a weak spark on that side or a choke slide hanging down.
Last edited by teazer on Sat Mar 27, 2010 11:05 am, edited 1 time in total.

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brewsky
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Location: Princeton, WV

Post by brewsky » Sat Mar 27, 2010 5:58 am

Dreaming,
Since there is only one carb on a dream, I would look eslewhere first before blaming it.
Have you trimmed the ends of the plug wires?
If not cut 1/2" or so off each, clean the inside of the caps and re-screw them on.
Start the engine in a dark place and look for any spark leak to ground from the wires.
66 dream, 78 cb750k, 02fz1, 09 wing

slopokecr
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Location: Honolulu

Post by slopokecr » Wed May 26, 2010 7:14 pm

I beat myself up pretty good for a few months trying to lean out my dream when i first got it. Finally learned that the needle-jet (not the jet or the needle, but the female part that the needle goes into) can wear oval over the years. I got a new needle and needle-jet from a guy on this site, whose name I dont recall. It did the trick. You'll have to sift through the "running rich" posts.

Dan Atsma
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Joined: Sat Jan 09, 2010 5:25 pm
Location: Grand Rapids, Mi.
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Re: carb needle

Post by Dan Atsma » Sun Jun 06, 2010 12:28 pm

dreaming56 wrote:Good day, I have a problem with the 305, I bought a keyster carb kit for it and found out that the needle in the kit is not the same size as the original(set incudes a #D-3). I can't find a seperate part on ebay, the part number is 16151-266-004. Does anyone know where I might get a hold of one? The bike runs too rich and keeps fouling the plug on the one side. I'm pretty sure this is the fix. Any help would be appreciated.
Thanks Stan,
Hey Stan,
one more thought, are you running premium gas? I ran into that with my bike, I found the low compression motor doesn't do well with high octane gas, it almost immediately fouled one of the plugs.
Toad
65 CL77 305 Scrambler, 75 CB750K Cafe, 75 CB750F

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