Cylinder Works 105mm Big Bore Cylinder Kit – Yamaha Grizzly 700 / Rhino 700 (770cc)

🛠️ Take your Yamaha Grizzly or Rhino to the next level with this 105mm Big Bore Cylinder Kit from Cylinder Works. This performance upgrade increases displacement to 727cc—or a massive 770cc when paired with the Hot Rods stroker crankshaft (#0921-0125). Perfect for riders looking for more torque, more throttle, and more fun on the trail.

✅ What’s Included

• 105.00mm Big Bore Cylinder (Nickel-Silicon Carbide-plated)

• Vertex Forged Piston Kit (piston, rings, wrist pin, and clips)

• Complete Top-End Gasket Kit

• Bolt-on installation — no replating required

📦 Fitment

• Yamaha YFM700 Grizzly FI 4x4 Auto (2007–2013)

• Yamaha YFM700 Grizzly FI 4x4 Auto EPS (2008–2012)

• Yamaha YFM700 Grizzly FI 4x4 Auto EPS SE (2009–2013)

• Yamaha YFM450 Grizzly 4x4 Auto EPS (2013)

• Yamaha YFM700 Grizzly AT FI SE 4x4 (2007)

• Yamaha YFM700 Grizzly AT FI Ducks Unlimited Ed. 4x4 (2007–2009)

• Yamaha YFM700 Grizzly AT FI Outdoorsman Ed 4x4 (2007)

• Yamaha YXR700F Rhino 700 FI (2008–2013)

🛡️ Warranty Info
Backed by Cylinder Works’ limited warranty covering defects in materials or manufacturing. Damage caused by improper installation or abuse is not covered.

🔑 Key Features

• 105mm bore increases displacement to 727cc or 770cc with stroker

• 9.2:1 compression ratio for reliable trail and utility performance

• Vertex piston engineered for strength and reduced noise

• Nickel-Silicon Carbide cylinder coating for extended life

• Made in the USA — OEM-matching appearance and geometry

• No machining required (unless stroker crank used)