Wiseco Yamaha YFM 400 10.5:1CR 85.5mm

Wiseco Yamaha YFM 400 10.5:1CR 85.5mm is built for reliable engine performance, rebuild confidence and long service life.

Key Features

Review specs below. Forged from high-silicon aluminum alloy for maximum strength and dependability. Innovative forging design and piston skirt provide maximum horsepower and torque. Wiseco High-Performance piston kits are priced with piston, rings, pins and circlips (unless noted otherwise). Oversize pistons require cylinder sleeving. Fitment: Yamaha Kodiak 400 / Grizzly 400 (2000-2008) Part Number: 40076M08550
Precision-built for dependable engine performance and rebuild confidence
Includes quality internal components for consistent fit and function
Designed for demanding powersports riding conditions

Part Number: 40076M08550

Fitment

Verify exact application details before ordering.

Handling: Ships in 1 business day. Returns: 30 days, new/unused.

Steel Steeds is an independent retailer; Wiseco® is a trademark of its respective owner.

Once your Steel Steeds gear leaves our warehouse, it typically arrives at your doorstep within 2–4 business days, unless otherwise noted. We partner with trusted shipping carriers to ensure your off-road essentials get to you fast and hassle-free. So gear up with confidence—your next big adventure is just around the corner!

We are committed to providing quality products and stand behind our items with a warranty. Exact coverage may vary, so please refer to our warranty page for more details!

FAQs

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Once your Steel Steeds gear leaves our warehouse, it typically arrives at your doorstep within 2–5 business days, unless otherwise noted. We partner with trusted shipping carriers to ensure your off-road essentials get to you fast and hassle-free. So gear up with confidence—your next big adventure is just around the corner!

Absolutely! Nearly every item we carry comes with a warranty tailored to that specific product. We stand behind the quality of the products we distribute and want you to ride with confidence. For full details, visit our dedicated warranty page—and rest assured, we’ve got you covered every step of the way!