Vertex Engine Rebuild Kit WR101-138 — Kawasaki KFX450R 2008-2014

Vertex Engine Rebuild Kit WR101-138 — Kawasaki KFX450R 2008-2014

Product Description

The Vertex Engine Rebuild Kit WR101-138 is the premier, all-inclusive solution for a complete mechanical restoration of your Kawasaki KFX450R. Designed for racers and enthusiasts who refuse to compromise on quality, this kit provides everything needed to return your 450cc powerplant to factory-new performance and reliability.

Vertex eliminates the stress of sourcing individual components by providing a meticulously matched set, including the crankshaft, piston kit, and a comprehensive collection of bearings and seals. Whether you are performing a full-service overhaul after a long season or addressing a mechanical issue, this kit ensures your engine is built to withstand the most demanding off-road conditions.

Top Features: Vertex Engine Rebuild Kit

• All-In-One Restoration: Contains crankshaft, piston kit, engine gasket kit with oil seals, main bearings, and transmission bearings.
• Complete Service Set: Includes vital maintenance components such as a water pump rebuild kit, countershaft bushing/seal kit, and cam chain.
• OEM-Grade Quality: Every component is engineered to meet or exceed original equipment specifications for precise, reliable fitment.
• Standard Compression: Piston kit designed to restore factory-level power delivery and engine longevity.
• Comprehensive Reliability: Includes counter-balancer bearings (where applicable) to ensure smooth, vibration-free operation across the entire powerband.

Please review the detailed compatibility data below to ensure an exact fitment match for your ATV before finalizing your purchase.

Fitment List

Year Range	Vehicle Brand	Vehicle Model
2008-2014	Kawasaki	KFX450R

Frequently Asked Questions

Q: Does this kit cover both top and bottom-end components?
A: Yes, the WR101-138 is a comprehensive rebuild kit that includes the crankshaft and bearings for the bottom end, as well as the piston and gaskets for the top end.

Q: Is this kit reliable for competitive racing?
A: Absolutely. Vertex is known for high-tech materials and precision engineering, making this kit a favorite for riders who need long-term durability under racing stress.

Expert Pro-Tip: Always ensure your crankcase mating surfaces are perfectly clean and free of old gasket material during reassembly. Use a high-quality engine assembly lubricant on all bearings, the crank journals, and the cylinder bore to ensure proper break-in and prevent premature wear.

Recommended Pairings:

• Essential Off-Road ATV Tools
• Premium ATV Maintenance Chemicals

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