Vertex Engine Rebuild Kit for GasGas, Husqvarna and KTM (WR101-159)

Restore reliable engine performance with the Vertex WR101-159 Engine Rebuild Kit, designed for compatible GasGas, Husqvarna, and KTM motorcycles. This convenient one-stop solution combines the major components required for a complete, professional engine rebuild, helping simplify parts selection and installation while supporting dependable performance and long-term durability. The kit is supplied under the trusted Vertex brand and is engineered for applications requiring a stock-stroke crankshaft and standard-compression piston.
The Vertex piston kit includes a standard-compression piston, piston rings, wrist pin, and retaining clips. A Hot Rods heavy-duty crankshaft is also included, along with a wrist pin bearing to support smooth and consistent operation. Hot Rods main bearing and seal components help renew critical rotating-assembly interfaces, while the transmission bearing kit includes transmission bearings, an output shaft collar, and a sprocket lock washer for a comprehensive drivetrain refresh.
Additional components include a Hot Rods counter balancer bearing kit and a water pump bearing and seal kit to help restore smooth balancing function and cooling-system reliability. The Vertex complete gasket kit rounds out the rebuild with required gaskets, seals, and O-rings for both the top-end and bottom-end assemblies. Verify vehicle compatibility and service requirements before installation, and follow the motorcycle manufacturer’s procedures and torque specifications during assembly.

Features:

• Complete rebuild solution: Combines key engine, transmission, balancing, cooling, gasket, and sealing components in one kit.

• Vertex piston kit: Includes a standard-compression piston, rings, wrist pin, and retaining clips.

• Hot Rods heavy-duty crankshaft: Features stock stroke construction and includes a wrist pin bearing.

• Main bearing and seal kit: Renews essential crankshaft support and sealing components.

• Transmission bearing kit: Includes transmission bearings, an output shaft collar, and a sprocket lock washer.

• Counter balancer bearing kit: Helps restore smooth and consistent engine balancing operation.

• Water pump bearing and seal kit: Supports dependable cooling-system service and fluid retention.

• Complete gasket and seal coverage: Includes gaskets, seals, and O-rings for top-end and bottom-end rebuilding.

• Application coverage: Designed for compatible GasGas, Husqvarna, and KTM motorcycle applications.

Ships from Parts Unlimited.