YZ450F 2003 JETTING?? OR WHAT??


4 replies to this topic
  • smackdown

Posted September 15, 2004 - 07:43 AM

#1

:devil: I JUST GOT A 03 YZ450F WITH VERY LOW HOURS AND IT RUNS 110% EXCEPT WHEN IT ILDING I GIVE IT TWO 1/8 THOTTLE BLIPS....WHEN I DO THAT IT STALLS OUT ANY ANSWERS?? ALL STOCK PIPE AND JETTING ............ :thumbsup:

  • Ga426owner

Posted September 15, 2004 - 11:06 AM

#2

what is your altitude? When you blip it dies ? accel pump adjustment may be needed. Check idle speed..what does the plug look like?

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  • INJURY_69

Posted September 15, 2004 - 08:29 PM

#3

Mine did this until i adjusted the ap. Adjust your ap...do a search.

  • Gizabious

Posted September 16, 2004 - 03:10 AM

#4

Start by adjusting fuel screw

  • Ga426owner

Posted September 16, 2004 - 06:51 AM

#5

:devil: I JUST GOT A 03 YZ450F WITH VERY LOW HOURS AND IT RUNS 110% EXCEPT WHEN IT ILDING I GIVE IT TWO 1/8 THOTTLE BLIPS....WHEN I DO THAT IT STALLS OUT ANY ANSWERS?? ALL STOCK PIPE AND JETTING ............ :thumbsup:


also put clip in 3rd position - stock is 4th -





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