KTM 50 SX | Husqvarna TC50 | Gas Gas MC 50 (2013–2023) Engine Rebuild Kit – Vertex/Wrench Rabbit
KTM 50 SX | Husqvarna TC50 | Gas Gas MC 50 (2013–2023) Complete Engine Rebuild Kit – Vertex / Wrench Rabbit Description Build the next mini champion with the Vertex / Wrench Rabbit WR101-159 Complete Engine Rebuild Kit — the ultimate 2-stroke overhaul for 2013–2023 KTM 50 SX, Husqvarna TC50, and Gas Gas MC 50. This all-in-one youth MX weapon packs a Hot Rods heavy-duty crankshaft, Vertex standard-compression piston, full gasket & seal set, every bearing, and wrist pin — delivering OEM precision, explosive power, and race-ready durability. Rebuild it. Rip it. Win it.
What’s Included
- Hot Rods Heavy-Duty Crankshaft (stock stroke with wrist pin bearing)
- Vertex Piston Kit (standard compression piston, rings, pin, and clips)
- Vertex Complete Engine Gasket Kit (top and bottom end, including seals and O-rings)
- Oil Seal Kit
- Hot Rods Main Bearing and Seal Kit
- Hot Rods Transmission Bearing Kit (includes output shaft collar and sprocket lock washer)
- Hot Rods Counter Balancer Bearing Kit
- Hot Rods Water Pump Bearing and Seal Kit
- Countershaft Bushing/Seal Kit
- Wrist Pin Bearing
Key Features
- Full 2-stroke mini rebuild — top to bottom in one box
- OEM-direct fit for KTM 50 SX, Husqvarna TC50, Gas Gas MC 50 (2013–2023)
- Hot Rods + Vertex synergy — forged for high-RPM, hard-hitting power
- Standard compression — perfect for youth motocross domination
- Pro-level components — trusted by junior racers and top teams
Fitment Fits the following models and years:
- 2013–2023 KTM 50 SX
- 2017–2023 Husqvarna TC50
- 2018–2019 Husqvarna TC 50 Mini
- 2021–2023 Gas Gas MC 50
Warranty Info Backed by Wrench Rabbit and Hot Rods limited warranty. Professional installation is recommended to ensure correct clearances and assembly. WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Price & SKU Retail Price: $632.95 SKU: 0903-1260 / WR101-159 Estimated Shipping Weight: 5.8 lbs Handling Time: Ships next business day
📦 Shipping Information
In-Stock Items:
- Most parts ship next business day
- Modquad parts: Monday–Thursday dispatch
Made-to-Order Items:
- Custom swingarms & A-arms: 2–4 weeks
- EVP exhaust systems: 2–4 weeks
- Sneakers: 1–2 weeks
Stock Guarantee: Items marked "In Stock" ship immediately. Made-to-order items are built fresh for you.
Questions? Contact us—we respond within 24 hours.
