Honda CR125R (1990–1991) Engine Rebuild Kit – Vertex/Wrench Rabbit

Honda CR125R (1990–1991) Complete Engine Rebuild Kit – Vertex / Wrench Rabbit Description Resurrect the golden age of 2-stroke MX with the Vertex / Wrench Rabbit WR101-130 Complete Engine Rebuild Kit — the ultimate all-in-one overhaul for 1990–1991 Honda CR125R. This vintage race 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-proven durability. Rebuild it. Rip it. Own the retro 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 125 rebuild — top to bottom in one box
• OEM-direct fit for 1990–1991 Honda CR125R
• Hot Rods + Vertex synergy — forged for high-RPM, hard-hitting power
• Standard compression — perfect for vintage MX and trail domination
• Pro-level components — trusted by 2-stroke purists and racers

Fitment Fits the following models and years:

• 1990–1991 Honda CR125R

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: $658.95 SKU: 0903-1104 / WR101-130 Estimated Shipping Weight: 11.4 lbs Handling Time: Ships next business day