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Zenith carb

M

Mal(Pa)

Member
Hi fellas, I have put a new Zenith b6nn8510a carb on my Ford 860 as it"s the one that model calls for. All of the searching I have done on the internet tells me how to adjust the idle speed(I know that one) but then it tells me how to adjust the "idle adjusting needle" and the "power adjusting needle". The problem is that it only has one adjusting needle besides the idle speed screw and it is near the top.I'm lost at this point so does anyone have the answer? Thanks,, Mal
 
A picture would help. If you remove both screws do they both have a tapper end on them??? If yes then one it the idle and the other a main jet adjustment. If one is long and sort of points down at an angle of say 45 or so good chance that is the main jet adjustment
 
(quoted from post at 21:23:06 12/23/12) Hi fellas, I have put a new Zenith b6nn8510a carb on my Ford 860 as it"s the one that model calls for. All of the searching I have done on the internet tells me how to adjust the idle speed(I know that one) but then it tells me how to adjust the "idle adjusting needle" and the "power adjusting needle". The problem is that it only has one adjusting needle besides the idle speed screw and it is near the top.I'm lost at this point so does anyone have the answer? Thanks,, Mal
Click to expand...
oes your Zenith look like this Zenith??
Zenith-1_zpsb362b147.jpg
red marks Main Power mix adjust
 
It does not have that bottom adjustment,just one at an angle near the top. I'll try to post a picture
 
(quoted from post at 14:17:34 12/24/12) It does not have that bottom adjustment,just one at an angle near the top. I'll try to post a picture
Click to expand...
ome Zeniths had only idle adjust with a fixed main power jet (not adjustable).
 
(quoted from post at 14:31:24 12/24/12)
https://photos.yesterdaystractors.com/gallery/pieces/c51183.jpg
Here's the pic, I hope
Click to expand...
es, non-adjustable/fixed jet unit. Plug is where adjuster would have been.
 
Thanks Jmor,so I only have idle mixture adjust. I hope that works out. I did adjust that to the best of my ability. Thank You, Mal
 
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