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Question asked by Khalid971
Question:Q: Is this kit can fit the standard bore*?Question asked 8 days 2 hours ago
Question answered by MichaelUser's contributor status: Top 10Question answered 8 days 2 hours agoAnswer: A: We would need to verify the year, make and model machine you are intending to install this on in order to get you to the right answer.
Question asked by JS 1 Suspension
Question:Q: My 2007 YZ250 - Which Big Bore Kit matches these Bitchin power valves ? Is it the Athena 293cc Kit you offer ? Or Cylinder Works 290cc that I Can't Find. I want a Big Bore to Rev like Stock & these PV's should work - Need help thanksQuestion asked 3 months 2 days ago
Question answered by robertUser's contributor status: Top 10Question answered 3 months 2 days agoAnswer: A: These are for use with Cylinder Works Big Bore Cylinder Kit (P/N 21009-K01) ONLY on your 2007 yz 250.