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Other Quads => YFZ Discussion => Topic started by: Livingmylife93 on October 14, 2008, 05:32:16 PM

Title: A friends 450... Need help with jetting
Post by: Livingmylife93 on October 14, 2008, 05:32:16 PM: He doesnt understand the whole idea of jetting.

He now has a full Yoshimura exhaust and some type of aftermarket foam filter. Its a 2007.

Tell me everything that he needs to buy.

And then all the settings i will need to do when i do it for him. Like how many turns on the mixture screw and the clip postition and stuff.

He says it just has no power now that he put the filter on.

Thanks guys, its much appreciated. :clap:
I need to get him riding again :D
Title: Re: A friends 450... Need help with jetting
Post by: kyledvor61 on October 15, 2008, 02:09:15 PM: go to yfzcentral they will be able to tell you alot better there :thumbs:
Title: Re: A friends 450... Need help with jetting
Post by: Livingmylife93 on October 15, 2008, 03:18:08 PM: You should post this up for me over there :grin_nod:

I went over there but couldn't find anything, and dont want to sign up :'(
Title: Re: A friends 450... Need help with jetting
Post by: Livingmylife93 on October 16, 2008, 05:55:03 PM: :help:

Just need numbers :lol:
Title: Re: A friends 450... Need help with jetting
Post by: SanDbUm on October 21, 2008, 02:22:43 PM: Is the lid also off the bike or just a high flow filter????

What does he have for jets currently??
Title: Re: A friends 450... Need help with jetting
Post by: Livingmylife93 on October 21, 2008, 02:24:23 PM: The lid is on.

And he has NEVER jetted the bike, so its still the stock jets.
Title: Re: A friends 450... Need help with jetting
Post by: SanDbUm on October 21, 2008, 03:17:12 PM: Quote from: Livingmylife93 on October 21, 2008, 02:24:23 PM
The lid is on.

And he has NEVER jetted the bike, so its still the stock jets.

I would say...

170-175 main...
45 pilot...
2 - 2 1/2 on air screw....

Should be pretty Close there... :thumbs:
Title: Re: A friends 450... Need help with jetting
Post by: Livingmylife93 on October 21, 2008, 06:33:25 PM: Thanks :D
Title: Re: A friends 450... Need help with jetting
Post by: SanDbUm on October 21, 2008, 06:41:06 PM: yessir...
Title: Re: A friends 450... Need help with jetting
Post by: Livingmylife93 on October 21, 2008, 06:43:09 PM: anybody have a link to a detailed walk through on yfz jetting?

or if anybody is good enough and can tell me off the top of there head...

im afraid of carburators :lol:
Title: Re: A friends 450... Need help with jetting
Post by: kyledvor61 on October 21, 2008, 06:53:48 PM: Quote from: Livingmylife93 on October 21, 2008, 06:43:09 PM
anybody have a link to a detailed walk through on yfz jetting?

or if anybody is good enough and can tell me off the top of there head...

im afraid of carburators :lol:
http://yfz450.theatvchannel.com/atv-tech-articles/6-tech-reviews/48-changing-the-pilot-or-main-jet
Title: Re: A friends 450... Need help with jetting
Post by: Livingmylife93 on October 21, 2008, 06:58:14 PM: Thanks kyle.

Do i need to move a clip or anything?
Title: Re: A friends 450... Need help with jetting
Post by: kyledvor61 on October 21, 2008, 06:59:40 PM: hell i dont know i just posted a link :lol:

now sign up for vip so you can give me your karmas 8) :lol:
Title: Re: A friends 450... Need help with jetting
Post by: Ridenfast03 on November 20, 2008, 01:48:28 AM: go to yamaha get the dirt bike needle. 170-170 main and 45 pilot.i put a 35 leak jet in mine.9 dollars at yamaha.like the other guys are saying hit up yfztech or yfz central their are tons of jetting threads.it is pretty easy take the carb off and take the bottom off and thier are ur jets.main is the hex looking jet. and the pilot u are gona have to have a small screw driver to remove.also ur gona have to turn the air screw out a bit or that thing is gona pop and sputter and back fire all the time.it takes some time yfz's are real touchy but when u get it right they run their balls off...