1990 Honda CBR 1000 F Logo

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Posted on Aug 27, 2009
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Air screw adj. on carbs 1987 cbr 1000 how many turns out from a light seat?

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Marvin

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  • Honda Master 85,242 Answers
  • Posted on Aug 27, 2009
Marvin
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Joined: Jun 20, 2008
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U turn them out until the engine reaches max idle RPM and then turn in 1/4 turn.

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I didn't think there was an adjustment in there, the air fuel screw?? Is it outside? Are there 2 screws outside? Is it Mikuni? If it has 2 adj screws outside, turn both in all the way, then back them out 1 1/4 turns each, this should get you running, some minor adj from there should make it right. But I could have sworn there was no adj on those, and the only way to adjust it is to change the jet. Check it out.
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Hello could u tell me wat are the correct

Turn both the throttle screw and air screw inward until they LIGHTLY seat. Now turn each of them outward 1.5 turns. Whenever cleaning the carb, pay special attention to the items in blue.
A “very helpful” rating for this answer? Thanks! < < And it doesn’t cost anything extra!
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Top rating on this answer. Thanks Carter!
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