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os 25

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Old 09-28-2009 | 03:53 PM
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From: deepwater, MO
Default os 25

I took the carb apart to clean it and after running it I noticed the mixture control needle was missing tho I know it was in. It is a 2b carb with # 22481628 needle. The pic shows no o ring or groove for one. What holds it in? does the head rub inside the nut? sure could use some help as buying a new one is not going to help it stay in
Old 09-29-2009 | 09:12 AM
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From: Monticello, IL
Default RE: os 25

The idle mixture screw is retained by a spring that's on the nut:

OSMG9072 22481420 THRTL LVRNUT #2CAF60 US$3.99

That's the nut with the spring.

Here's the needle:

OSMG6424 22481628 IDLE SET SCR #2B2CBD US$4.49

These parts can be ordered through any hobby retailer who sells O.S. Max engines and accessories.

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