YFZ450 fast jetting

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Uploaded by on Mar 22, 2007

fastdogjetting

Category:

Howto & Style

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Standard YouTube License

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Uploader Comments (dragginblazer)

  • What year is this yfz?

  • video is from '04...

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All Comments (36)

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  • @Deansvideos123 you might need to re-jet, or your cam shaft isn't correct making the ratio of gas and air disproportional

  • Where can I get a fuel mixture monitor like the one shown in this video ?

  • Hi, If my YFZ runs in 30degrees Celsius, 600m above sea level, FMF Titanium Slip on what should the Main Jet, Pilot jet and needle position be at? Thank you

  • i have a stock carb. can i just do what u showed in the video and put a 170 main jet in and go, or will i need to make some other adjustments.

  • got a question about the carb..... if my 05 yfz is idleing good but at about 35%-80% throttle it is bogging and seems to not be geting enough gas should i adjust the carb or is it something diff? i have a HMF full exhaust with a aftermarket airbox that has no lid((suppost to have no lid.....)). is it jetting or as simple as a carb tune???

  • hi, could you let me know how to install an aftermarket decompression plug?? cause my stock one burst...and now i have the aftermarket one from modquad but dont know how to install it..

  • i have a question for anybody out there who can give me a decent answer im putting in a 13:1 piston on my 04 yfz i have a full K&N intake and a GYTR pipe with the cam mod done. anybody have any idea what i should run for jet sizes? i currently have a 170 main and a 50 pilot, i know its a little rich for what im running now. anybody have any ideas??

  • hi, i have another question, but ist about jetting, my piston broke and bent my crank rod because of running to lean, i order the big bore piston and going to bore my cylinder, 478cc, atm ive got 42 pilot and 158 main, have my air/fuel mixture screw 2 turns out...so i have a rossier exhaust and a stock airfilter and might get the k&n but no lid....would you have any idea what jets i would need? ohh and its mostly 40 degrees celcuis where i ride...thanks

  • haha thats a half ass jetting best way is to put in fuel mixture screw, needle clip, piliot jet, and main jet.

  • can you do a video of the needle installment??

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