50 Caliber Racing  |  SKU: 4449A7
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Yamaha Rhino 660cc Big Bore Kit (686cc)

SKU: 4449A7
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$22999
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Description

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

What’s in the Box (Based on selected options)

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

Why Riders Upgrade

⚙️
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 inA displacement and overall performance.
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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

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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Fitment helpCall 801-899-2520 before ordering
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Professional installationAvailable in Pleasant Grove, Utah

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