Hi I recently got a 07 KLX 250s and couple months ago and have been on these forums awhile so I decided to make an account and make my first post anyway tho, like I said I got a KLX 250s ago couple months ago and I love already got about 800 miles on it and trust me those are some HARD 800 miles of almost all dirt and single track threw the woods. I have also already add some things and made some changes I got some crash guards, Bigger footpegs(Get for when off road standing), Scott’s Steering Stabilizer, extra fuel container mounted on the bike,GPS mounted on the bike, Skid plate and I'm guessing theres more that I forgot. ( Also I did gear it down to 14 in the front and 50 in the back).

----Question
My question is were I can buy the things I need to upgrade my bike from a 250 to a 340 or a 351 I saw some post about people saying they use the Big Bore kit and I was wondering if that place/ website is reliable or if anyone has gotten anything from them before also if there is another place we I can get the things I need. If anyone has already done the upgrade from 250 to 340 or 351 could you please let me know were you ordered everything from and was it worth it?

Thanks for the help,
-DirtBikeMike

 

Call this guy he has it all

B & B Cycle Restoration

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Thank you @zippets this is just what I was looking for.

 

DBM:

There are a lot of us who've enlisted Bill Blue for our big bore. 351 is usually the go-to. There are also some others out there, but Bill has the market from what I can tell. I'm going to take mine for a spin here in a few minutes.

See my sig line for a 351 build thread.

Welcome to KF

 

I got my 351 and pumper carb from Bill Blue about a month ago and I'm loving it! its a totaly different bike.