TB 143cc Big Bore Kit, 60mm – KLX110 All Models 143cc Big Bore Performance Kit (60mm): Ceramic coated all aluminum cylinder (no steel sleeve) Lightweight high compression domed 60mm piston with rings, pin, & clips (for the stock, Zongchen ZS, and our older V1 cylinder heads) Head gasket kit – Now includes the cylinder head o-ring set and an exhaust gasket The all aluminum ceramic coated cylinder is lighter than a steel sleeved aluminum cylinder, reduces friction (increasing power), improves sealing, and provides better heat transfer (runs and cools down quicker). This new cylinder along with a complete head gasket kit and domed piston set this kit apart from othersimilarly priced 143 kits on the market. Affordable and will make your KLX110 or DRZ110 a lot more fun to ride!  High quality parts and requires no machining to the cases or other modifications – bolt on and go! There are no installation instructions, but if you can replace your piston, you can install this kit. If you don’t have any experience working on your engine, we highly recommend having a professional technician install this kit or, at a minimum, purchasing the shop manual for your bike available from your local Kawasaki or Suzuki dealer. We also have a link on our website in the INFO section under KLX110 where you can download the shop manual. The parts are installed in the same manner as the OEM parts.