TB 143cc Big Bore w/Stage 2 cam kit – Z125 & KLX110 2017+

TB 143cc Big Bore w/Stage 2 cam kit – Z125 & KLX110 2017+

TBparts 143cc big bore stage 2 cam kit for all 201+ Kawasaki KLX110 & Z125. TBparts proven 143cc big bore kit combined with our new stage 2 cam for one of the best power combinations possible! These parts work flawlessly together to deliver a professional level of power. Our cylinder is ceramic coated and all aluminum. Our 60mm 143cc piston is made for the stock cylinder head and 91+ octane pump fuel. When combined with our stage 2 kit you get as much power as possible without noticing any low end power loss. The new cam has more lift and faster ramp speeds to open the valves quicker, the combination lets more air and fuel in to make more power! Not to mention the installed/included brand new NTN bearings for a high quality perfect fit.

Key Features

• Super high quality/lightweight, high compression 10.5:1 domed 60mm piston, with rings, pin, & clips pump 91+ octane gas friendly. 
• Ceramic coated all aluminum cylinder (no steel sleeve)
• Head gasket kit – Now includes the cylinder head o-ring set and an exhaust gasket
• Brand new camshaft w/NTN bearings made to OEM spec for a perfect fit.
• More valve lift than OEM to let more fuel & air in for more power
• Faster ramp speed opens the valves up quicker to let more fuel & air in for more power
• Includes cam gear to complete installation.
• Race cam without decompression mechanism
• AMAZING value!

Non Decompression – This cam kit does not reuse the OEM decompression gear.

This kit does not require boring of the case – simply 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 dealer. The parts are installed in the same manner as the OEM parts. Our tech section is continuing to grow as we add the answers to commonly asked questions in our –  Kawi Tech Section.

Z125 Tuning Note – We do not sell fuel controllers/tuners and do not have tuning advice or files on hand. An aftermarket fuel controller of some kind will be needed to ensure you do not run lean. Additionally with a good tune, good fuel, and under reasonable riding conditions we have seen 8000+ miles out of these kits. (Offroad use Only)

KLX110 Jetting  – A good base tune is: Pilot jet #42 and main jet #95. Pilot jet kit – TBW1458  Main jet kit – TBW0294 & TBW1584