Hi, I have a 2013 Kawasaki KLX250s and I have 7000 KM on it, (In 4 months ) and I recently looked at my sprockets and said "Of sh*t time for a change!" and also realized I use the bike so much on the highway and not on trails, so I wanted to buy new sprockets, but for highway/city use. The bike revs up to 6000 at 90 km/h on the highway and that's a bit high .. What gearing would be good for highway use? If you were to forget offroad and trail riding ; Thanks!

 

The stock counter sprocket is 14 tooth. I use a 15 tooth since I do mainly street riding. A few weeks ago I did some trails and had plenty of torque with the 15t too.

If you want more specs on the gearing check out this site.
Gearing Commander: Motorcycle Speed, RPM, Chain & Sprockets Calculator

 

15t is great on the highway and around town. It is great with the BB, never tried it stock bore. Getting the stock sprocket off will be the hardest part.

 

+1 front and +1 rear is a perfect combination...or, -2 rear

 

You wore your sprockets out in 7000km? What kind of chain lube?

 

chain lube? what's that?

On a serious note, that is an early wear out. You ride in lots of sand and rain and mud and grit or something? Or keep the chain too tight?

 

My chain came VERY tight from the factory... I'm guessing that was the issue here as well. That's WAY too soon to be wearing through sprockets.

For road only, a 15t is probably fine.

 

Thanks for all the answers! I wore out my sprockets a lot because this was my first ever CLUTCH bike so at the beggining I was really hard on it, and now I still drop the lever clutch, and also, for a while my chain was so loose, but I could never find time to tight it working 7 days a week :s

So, for highway and street, I should go 15t front and -2 rear? I just want to be able to hit 100 KM/hr without being at 7000 RPM.. Thanks

 

Just replace the counter sprocket to start with and see how you like it. You should have no problem getting up to 65 mph.

 

just 15t front should suffice...but, going +1 rear will help...