Yamaha YZ125 Engine Rebuild Kit (1998–2000) | Vertex WR101-093

Vertex Complete Engine Rebuild Kit – Yamaha YZ125 (1998–2000)

Built for performance. Engineered to last.

The Vertex WR101-093 Engine Rebuild Kit offers a complete solution to restore your 1998–2000 Yamaha YZ125 2-stroke engine. Designed with reliability and race-ready performance in mind, this all-in-one kit includes top-tier components from Vertex and Hot Rods, giving you everything you need to perform a professional-grade rebuild.

Whether you're heading back to the track or rebuilding a vintage favorite, this package ensures long-term durability and performance.

What’s Included:

• Hot Rods Crankshaft (stock stroke with wrist pin bearing)

• Vertex Piston Kit (standard compression piston, rings, pin, clips)

• Vertex Complete Gasket Kit (top & bottom ends, seals, O-rings)

• Hot Rods Main Bearing & Seal Kit

• Hot Rods Transmission Bearing Kit (includes output shaft collar & sprocket lock washer)

• Hot Rods Water Pump Bearing & Seal Kit

• Hot Rods Countershaft / Seal Kit

• Wrist Pin Bearing

Fitment:

• 1998 Yamaha YZ125

• 1999 Yamaha YZ125

• 2000 Yamaha YZ125

For 125cc 2-stroke off-road engines.

Warranty Info:

All components are new and built to meet or exceed OEM standards. Must be installed by a qualified technician. Warranty does not cover damage caused by improper installation, tuning errors, or misuse. Suspect components must be returned and inspected prior to any warranty consideration.