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OS max FP 40

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Old 04-27-2002, 04:25 PM
  #1  
matwing
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Default OS max FP 40

I would like to know how far in the needle valve assembly should protrude into the carb ventury. Ther is quite a large range available by screwing in the assembly and locking it with the external locknut. I have been looking at some other of my engines and they vary... Is there a general guideline for this adjustment, or are all carbs different?
Thanks,
Johnny Matwing pirate:
Old 02-01-2003, 08:42 AM
  #2  
rcuser004
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Default OS .40 FP

Open the carb full throttle and look down through the hole at the
needle spray bar. It should protrude into the opening just under half way.

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