Vertex Complete Engine Rebuild Kit WR101-159 — KTM/Husqvarna/Gas Gas 50cc 2013-2023

Vertex Complete Engine Rebuild Kit WR101-159 — KTM/Husqvarna/Gas Gas 50cc 2013-2023

Product Description

For the youth rider's machine, reliability is paramount. The Vertex Complete Engine Rebuild Kit (WR101-159) provides an all-in-one overhaul solution for KTM, Husqvarna, and Gas Gas 50cc 2-stroke models. This kit simplifies complex engine maintenance by bundling premium-grade components into a single, comprehensive package.

By pairing Vertex’s high-quality piston technology with the proven durability of Hot Rods crankshafts and bearing sets, this kit ensures your engine internals work in perfect harmony. Whether you are performing preventative maintenance to avoid mid-season failures or completing a full restoration, the WR101-159 kit provides the precision-engineered parts needed to get back on the track with total confidence.

What’s Inside the Box:

• Vertex Piston Kit: Standard compression piston, high-performance rings, wrist pin, and circlips.
• Hot Rods Heavy-Duty Crankshaft: Stock stroke, pre-assembled with the essential wrist pin bearing.
• Hot Rods Main Bearing & Seal Kit: Built to factory standards for reliable operation.
• Hot Rods Transmission Bearing Kit: Includes all transmission bearings, output shaft collar, and sprocket lock washer.
• Hot Rods Counter Balancer Bearing Kit: Precision components for a smooth-running engine.
• Hot Rods Water Pump Bearing & Seal Kit: Everything needed for a cooling system overhaul.
• Vertex Complete Gasket & Seal Kit: A total top-and-bottom-end solution, including all O-rings and gaskets required for sealing.

Fitment List

Year Range	Vehicle Model Series
2013-2023	KTM 50 SX
2017-2023	Husqvarna TC50 / TC 50 Mini
2021-2023	Gas Gas MC 50

Expert Pro-Tip:

Because this kit involves deep engine work, ensure you have the correct specialty tools, such as a crankshaft puller, case splitter, and a torque wrench. Before final assembly, verify that all oil passages are clear of debris. Once the engine is rebuilt, perform a disciplined, heat-cycle-based break-in to allow the new components to seat correctly, which is vital for the longevity of high-revving 50cc engines.

Recommended Pairings:

• Pro-Grade Engine Rebuild Tools
• High-Performance Assembly Lube & Coolants

At Moto-House MX, we specialize in high-performance off-road parts. With over 40 years of industry experience, our team ensures you get the right parts for your machine the first time. We ship worldwide from our Central Florida facility.

Moto-House MX – Choice of Champions – Clermont / Montverde, FL. Central Florida's premier powersports source with lightning-fast worldwide shipping.