Jet size with open airbox rest is still stock

[Tooneiges]

Hey guys ,

I have a question about rejetting after opening your airbox.
Ive read a lot witch the search button but nothing helps me

My question is what jet size is good (a direction would be great , i know that any engine is different from the other )

What position had to be the needle (a direction should be great )

I know that de colour of my sparkplug is important to look after , i just wanne know wich sizes i should buy in the shop

Please help me !?

 

[Quadrider10]

i would leave everything where it is, and up the main by 2 jets sizes, plug chop, then go down 1 jet size if its rich. the plug should have a brown paper bag color to it. so i would get a 240 and 250 main jet. stock it 230

 

[blasterboy32]

Yep like quadrider said up the main 2 sizes also depends on your elevation and stuff but do a plug chop at 250 and see what it looks like. I would say leave the needle clip position where it is.

Maybe try reading through this sticky and see if you find someone with a bike similar to yours
http://www.blasterforum.com/engine-13/what-jets-you-using-28981/

 

[Blaaster]

Heres one posted by Awk a while ago, this is a good to go plug.

This one is a little rich, but I would run it, I like to be on the safe side.

 

[mjgnslngr]

Woah, calling that plug^^^Rich is right! That's an iridium plug! Big money to be cutting up! Lol!

 

[Blaner]

your needle shoule be fine, but bump up the main to a 250, you will also probably need to fiddle with the air screw a tad by turning it in to richen it up a little.