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Have Questions?
Always the correct part
We know our products
Big Bore Kit 186cc with 66mm piston size for Kawasaki KLX140 – KLX150 Series 2008-2024
This kit come with Forged Piston 66mm size and cylinder with ceramic coating for better heat transfer!
Please note that this kit need to bore out the crankcase, outer cylinder size is 71mm (please check pics)
170cc with 63mm forged piston and ceramic cylinder also available, please see my other items
We also have stroker crankshaft longer +6mm from stock, please contact us for details
Cylinder head with big valves ready stock!
We built many race engines for KLX140 / KLX150 and we can customize racing parts based on your needs