Yamaha Raptor 660 Bottom End Stroker Kit (719cc) – Hot Rods CBK0137

🛠️ Description

Take your Raptor 660 to the next level with this Hot Rods bottom end stroker kit. Designed to boost displacement and performance, this kit increases stroke by +4mm and, when paired with the required Vertex stroker piston (23624A), builds the motor up to 719cc. Perfect for riders who want extra torque, stronger power delivery, and reliable bottom-end performance.

✅ What’s Included

• Stroker crankshaft (+4mm stroke)

• Complete gasket set

• Oil seal kit

• Main bearing and seal kit

(Requires Vertex stroker piston 23624A — sold separately)

📦 Fitment

• 2001 Yamaha YFM660R Raptor

• 2002 Yamaha YFM660R Raptor

• 2003 Yamaha YFM660R Raptor

• 2004 Yamaha YFM660R Raptor

• 2005 Yamaha YFM660R Raptor

🛡️ Warranty Info

Hot Rods bottom end kits include a manufacturer’s limited warranty covering defects in materials and workmanship.

🔑 Key Features

• Increases displacement to 719cc (with Vertex piston 23624A)

• +4mm stroker crankshaft for stronger torque and horsepower gains

• Includes all bearings, seals, and gaskets for a complete bottom end rebuild

• Built with Hot Rods’ trusted OEM-quality components

• Designed specifically for Yamaha Raptor 660 engines

💲 Price Match Guarantee

If you find this Hot Rods CBK0137 stroker kit at a lower price from an authorized dealer, we’ll match it. Shop with confidence at DuneGoonShop.com.