HS needle not sensitive enough?  
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All Forums >> Glow Engines, Gas Engines, Fuel & Mfg Support Forums >> Glow Engines >> HS needle not sensitive enough?
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HS needle not sensitive enough? - 8/14/2006 6:18:48 PM   
jzinckgra



Posts: 717
Joined: 8/18/2003
From: Sturbridge, MA, USA
Status: offline 		I have an older OS 25SF, that has a very insensitive high speed needle. The end of the needle is very sharp and I was wondering if it would be wise to grind it down a little, so it is a little more blunt. When I go to adjust the HS, seems like it takes a half turn to get it running right, and just when I think it is good, it ends up being too lean. It's not like all my other motors where a slight click or two one way or the other is very noticeable.

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RE: HS needle not sensitive enough? - 8/14/2006 9:26:19 PM   
w8ye



Posts: 17883
Joined: 12/11/2001
From: Taylortown, OH, USA
Status: online 		Before you go cutting your high speed needle, open up your low speed needle about a quarter turn an see how your high speed needle does?

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RE: HS needle not sensitive enough? - 8/14/2006 9:29:48 PM   
BillS


 

Posts: 3078
Joined: 9/6/2004
From: Greensboro, NC, USA
Status: offline 		Making the needle blunt probably will not help. More muffler pressure and a higher tank will usually make the HS needle more sensitive.

quote:

When I go to adjust the HS, seems like it takes a half turn to get it running right, and just when I think it is good, it ends up being too lean.

Maybe there is some trash somewhere.

Bill

(in reply to jzinckgra)
       Post #: 3

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