TB Parts Performance Complete Big Bore Kit 143cc Kawasaki Z-125 Pro

Kawasaki Z-125 Pro 143cc Complete Big Bore Kit by TBparts is a full top end replacement kit. The cylinder head is their V2 high-end race head. It uses their V2 race cam along with stainless steel 30mm intake and 24.5mm exhaust valves. The larger valves provide better airflow for performance power and torque. The roller rocker arms are made from forged aluminum and have been anodized red for a nice finish. The cylinder head will bolt up and work with the Z-125 Pro exhausts and the oil lines going to the head. The is made from a full aluminum cylinder using a full aluminum sleeve for better heat transfer and dissipation. The cylinder kit is 60mm bringing the Z-125 Pro to a 143cc bigger bore. It uses an all-new machined higher compression piston. The piston comes with rings, wrist pin, and clips. The kit also includes a fully port matched intake manifold along with a sensor extension. This kit will increase your vehicle's horsepower and performance! Don't get left in the dust or risk reliability with extremely high compression builds. This simple big bore will net you ~12 horsepower!
Please keep in mind you will need an aftermarket fuel controller in order to regulate air to fuel ratio. It is recommended to use the aRacer RC Mini 5 including their AF1 Wideband.

Features

• Port matched intake manifold
• V2 Performance Race Cam
• High Compression Piston
• Aluminum Ceramic-Coated Cylinder
• 30mm Intake & 24.5mm Exhaust Valves
• Better Cylinder Head Flow
• More Horsepower & Torque

Includes

• Cylinder Head (complete with cam & valves)
• Cylinder
• Piston (complete with wrist pin, rings & clips)
• Intake Manifold
• Head & Base Gasket
• Exhaust Gasket
• Sensor Extension