Yamaha Rhino 660cc Big Bore Kit (686cc)

★★★★★ 4.7 132 reviews

US$80.50
Price when purchased online
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US$80.50
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Product details

Management number 241279952 Release Date 2026/07/17 List Price US$80.50 Model Number 241279952
Category

Unleash More Power: Yamaha Rhino 660cc Big Bore Kit (686cc)

Revitalize your Yamaha Rhino, Raptor, or Grizzly 660 with this comprehensive 686cc Big Bore Kit. Engineered for enhanced performance and reliability, this kit offers a significant power upgrade for your off-road adventures, making it an essential modification for riders seeking an edge.

686cc
TOTAL DISPLACEMENT
102mm
BORE SIZE
10:1
COMPRESSION RATIO
Bolt-On
INSTALLATION TYPE

102mm Cylinder
10:1 Piston
Piston Ring Kit
Circlips (2)
Wrist Pin
Base Gasket
Head Gasket
NGK Spark Plug

⚙️
Enhanced Cooling
Features larger than stock water jackets to significantly improve cooling efficiency and component longevity.
🛠️
Reliable Performance
Offers a more dependable solution than modifying your stock cylinder, ensuring consistent power delivery and durability.
🚀
Easy Installation
Designed for a straightforward bolt-on process, making it accessible for enthusiasts with basic mechanical skills.
💡
Revitalized Power
Breathe new life into your Yamaha with a significant increase in displacement and overall performance.
In Stock & Ready To Ship
Processing: Packed with care before shipment
Tracking: Sent when shipped
Confirmation: Sent after checkout
Although rare, some delays may occur. We’ll keep you updated every step of the way.

Big Bore Kit vs. Stock Components

STOCK [PRODUCT TYPE]
Smaller displacement
Stock cooling limitations
Less reliable than updated designs
Requires professional machine work to increase bore
Slower throttle response
⚡ YAMAHA BIG BORE KIT
Increased 686cc Displacement
Enhanced Cooling System
High-Quality Components
Bolt-On Installation
Improved Power & Response
⚙️
Bolt-On Installation
🏆
Quality Guaranteed
🛠️
Expert Support
🚀
Performance Upgrade

What Riders Are Saying

This kit is a game changer! My Rhino finally has the power it needs to tackle any trail. Installation was straightforward, and the improved cooling is noticeable. Highly recommend!
— John D., California
Unbelievable difference in performance after installing this big bore kit. The torque increase is significant, and the engine feels much stronger. Worth every penny for the added power and reliability.
— Sarah K., Arizona

Ready to Dominate the Trails?

Upgrade your Yamaha's power and performance today.

Experience the R1 Industries difference.

Vehicle Fitment

Yamaha Grizzly 660
Yamaha Raptor 660
Yamaha Rhino 660 — 2004-2007

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Customer ratings & reviews

4.7 out of 5
★★★★★
132 ratings | 54 reviews
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