new yz250

[avandesande]

Wife got me a new 04 yz250 for my birthday. Any jetting suggestions for 5,000 ft? I am sure that I will need new springs, I am 210# with equipment.
thanks

[yzernie]

I live at 4000' and went one leaner across the board on my jetting. I ended up going to a leaner needle so I could have more adjustability to it. Runs great.

Suspension is outstanding. depending on your skill level the stock springs are pretty close. I'm about 220 with gear and I ride 40+ expert. I think I'm gonna try stiffer springs on both ends. I REALLY like tose 48mm forks.

Here is my add ons that would effect jetting specs:

FMF Fatty
FMF Shorty
V-Force
Twin Air or No Toil single foam air filters
VP C-12 race gas--because I don't trust the consistency/quality of pump gas

[FFRacing11x]

[Only registered and activated users can see links. ] has a spring rate calculator.

[paul reed]

yup...what he says

[Dell30rb]

I love the 48mm forks on my bike, much smoother operation than the 46's.