Yamaha YZ250 (1999–2000) Engine Rebuild Kit – Vertex/Wrench Rabbit
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Yamaha YZ250 (1999–2000) Complete Engine Rebuild Kit – Vertex / Wrench Rabbit Description Unleash the classic 2-stroke scream with the Vertex / Wrench Rabbit WR101-126 Complete Engine Rebuild Kit for 1999–2000 Yamaha YZ250. This all-in-one MX legend 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-proven durability. Rebuild it. Rip it. Own the 2-stroke revival.
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 domination — top to bottom rebuild in one box
- OEM-direct fit for 1999–2000 Yamaha YZ250
- Hot Rods + Vertex synergy — forged for high-RPM, hard-hitting power
- Standard compression — perfect for vintage MX and trail thrashing
- Pro-level components — trusted by 2-stroke purists and racers
Fitment Fits the following models and years:
- 1999 Yamaha YZ250
- 2000 Yamaha YZ250
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: $803.95 SKU: 0903-1100 / WR101-126 Estimated Shipping Weight: 14.2 lbs Handling Time: Ships next business day
📦 Shipping Information
In-stock items ship next business day. ModQuad parts dispatch Monday through Thursday.
Made-to-order and custom powder coat items show their lead time at the top of this page, right next to the truck icon. These are built fresh for you, so timing varies by brand and current backlog.
Need something by a specific date? Call us at 541-668-7503 before ordering and we will check stock and ETA on that exact part. We can often point you to an in-stock alternative from another distributor.
Questions? Contact us, we respond within 24 hours.