Z125 KLX110 KLX110L

TB 143cc Big Bore Kit, 60mm – KLX110 All Models TBparts 143cc big bore kit for all KLX110s, an affordable setup that will really make your KLX110 fly! High quality parts and requires no machining to the cases or other modifications – bolt on and go! This kit includes all the necessary top end gaskets….

TB 143cc Bore Kit  for V2 Race Head (60mm): Ceramic coated all aluminum cylinder (no steel sleeve) Lightweight high compression domed 60mm piston with rings, pin, & clips (for the V2 Race Head only) – Head gasket kit – Now includes the cylinder head o-ring set and an exhaust gasket If you already have our V2 Race…

Replacement top end o-ring set for cam and tappet covers. Includes an exhaust gasket as well.  This set fits the stock OEM Kawasaki KLX110 and Z125 cylinder heads as well as our V2 Race Head and Chinese YX 150 160 heads.

Replacement Piston Kit – 67mm.  It comes with the Piston, Pin, Rings, and Clips.  This piston kit works with the following cylinder heads: Our V2 Race Head May work on other KLX110 Z125 type cylinder heads but check all clearances carefully.

165cc Big Bore Performance Kit (64mm) Key Features: Ceramic coated all aluminum cylinder (no steel sleeve) Lightweight high compression domed 64mm piston with rings, pin, & clips Head gasket kit – Now includes the cylinder head o-ring set and an exhaust gasket. This is our most affordable 165 bore kit for the KLX110. It works…

This is a replacement gasket for the left side engine generator cover. Fitment: All years KLX110 Z125

Our Primary Gear replaces the OEM gear and removes close to 2lbs of weight.  This reduces the load and amount of rotating mass on the crankshaft which improves the throttle response.  Just swap out and your new Z125 will rev faster with this  affordable performance item! OEM Primary Gear weight: 2 lb 6.2 oz Our Primary…