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Carburetor Set UP/ One more time Please (Read 94 times)
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Carburetor Set UP/ One more time Please
01/10/10 at 08:24:53
 
For basic engine With K&N Cone filter and Harley muffler upgrade?I should use a #50 pilot jet , #150 main jet and 1/2 white washer ? Is this correct?  Also where can I find a cone Filter with a 2 1/4" opening to fit the LS650? Thanks for your help!
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Re: Carburetor Set UP/ One more time Please
Reply #1 - 01/10/10 at 09:37:24
 
The K&N cone filter part #
RC-1250 (chrome),
R-1250 (black).

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Re: Carburetor Set UP/ One more time Please
Reply #2 - 01/10/10 at 09:40:25
 
Sorry forgot to post the link.  Wink Also get with Lancer for the jets.
http://cgi.ebay.com/ebaymotors/K-N-CHROME-AIR-FILTER-RC-1250-UNIVERSAL-TAPERE...
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Re: Carburetor Set UP/ One more time Please
Reply #3 - 01/10/10 at 10:01:03
 
What year bike and where are you located??  

- Some of the older LS650's had slightly different jets.
- Altitude and humidity also affect jetting.

But....  I think the 52.5 low might be better and if you'r running the louder HD muffler a 155 main may be closer to what you need.  

Sorry,  the best advice I  can give is to experiment and to keep an eye on your sparkplug color.   If the Ceramic is white, you're running lean.  If it's black you're running too rich.  It should be slightly tan in color.  

Also,  the perfect low speed jet should allow you, when adjusting the low speed /idle mixture, to get a reaction on both the lean side ( turning in) and on the rich side (turning out). Only problem, sometimes and conditions, the perfect low jet is in betweeen the ones you can buy   Undecided

 
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Re: Carburetor Set UP/ One more time Please
Reply #4 - 01/10/10 at 10:27:32
 
I am working on a 1987 LS650. And I am located in Rocky Mount , NC. on the I-95 corridor .I dont think I am to mumh above sea level.
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Re: Carburetor Set UP/ One more time Please
Reply #5 - 01/10/10 at 15:39:06
 
Rocky Mount, NC 27801. Location. 35.94 N, 77.80 W. Elevation. 37m / 120ft. Population. 55,893 ...
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