VERTEX - WR101-147 - Engine Rebuild Kit - Yamaha YFZ450R/X

Q: Where can I find installation instructions for this product?

General installation notes are provided on the product page where available. For detailed step-by-step instructions, refer to the manufacturer's documentation included with the product, or use the product chat for questions about difficulty, required tools, or whether professional installation is recommended.

Stop shopping for parts one at a time — the VERTEX WR101-147 engine rebuild kit has everything you need to get your engine back to factory-fresh condition.

Features

Complete engine rebuild kit
Includes crankshaft, piston kit, complete engine gasket kit with oil seals, main bearings and seals, water pump rebuild kit, transmission bearings, countershaft bushing/seal kit, cam chain and counter balancer bearings when applicable

ⓘ NOTE: Kit Includes:

ⓘ NOTE: • Crankshaft

ⓘ NOTE: • Piston Kit

ⓘ NOTE: • Complete Engine Gasket Kit

ⓘ NOTE: • Oil Seal Kit

ⓘ NOTE: • Main Bearing and Seal Kit

ⓘ NOTE: • Water Pump Rebuild Kit

ⓘ NOTE: • Transmission Bearing Kit

ⓘ NOTE: • Countershaft Bushing/Seal Kit

ⓘ NOTE: • Cam Chain

ⓘ NOTE: • Counter Balancer Bearing Kit

Specs

Type: Engine
Features: Standard Compression Piston
Product Name: Rebuild Kit
Displacement: 450 cc
Engine Type: 4-Stroke
Riding Style: ATV
Units: Kit

Frequently Asked Questions - VERTEX - WR101-147 - Engine Rebuild Kit - Yamaha YFZ450R/X

General info

How do I know if this part fits my vehicle?

Check the fitment information listed on this page against your exact year, make, model, and (where applicable) trim, engine size, or configuration. If your exact vehicle isn't listed, or you're not sure, use the product chat on this page or contact our support team before ordering - we're glad to help confirm fitment.

What does it mean if a product is listed as universal fit?

Universal fit means the product is designed to work across a range of vehicles, not that it's guaranteed to fit every one. Compare the listed measurements, mounting requirements, and connector or hardware specs against your specific vehicle before ordering, since some installations may need additional hardware or minor fabrication.

Where can I find installation instructions for this product?

General installation notes are provided above where available. For detailed step-by-step instructions, refer to the manufacturer's documentation included with the product, or use the product chat on this page for questions about difficulty, required tools, or whether professional installation is recommended.

What if I have more questions about this product?

Use the product chat on this page for fitment, specs, installation, and compatibility questions, or contact our support team directly for help before you order.