Yamaha YZ 85 Crankshaft - Hot Rods - Stroker - `02-`18. A displacement-increasing, ready-to-install Hot Rods stroker crankshaft for Yamaha YZ85 models from 2002–2018, supplied complete for straightforward fitting and dependable assembly.

This Hot Rods crankshaft is factory assembled, trued and balanced to OEM specifications and designed to increase displacement, torque and horsepower for riders seeking stronger midrange performance. The unit is sold complete with proven Hot Rods connecting rods, top end bearings and crankshaft webs so you receive a package intended for immediate installation in most applications. High-quality DIN Class 9 (or higher) materials are used throughout. Most installations do not require piston modifications and the crank can often be fitted with the stock piston unless a specific listing note indicates otherwise, making it a practical upgrade for customization projects while preserving reliable balance and fitment standards.

Features

• Direct fit for Yamaha YZ85 model years 2002–2018
• Complete factory-assembled stroker crankshaft
• Includes Hot Rods connecting rods, top end bearings and crankshaft webs
• Trued and balanced to OEM specifications
• Constructed from high-quality DIN Class 9 or higher materials

If you have questions or need fitment advice, call us directly: 512-982-9393 (TX) or 562-981-6800 (CA). We have two locations — Austin, Texas and the Los Angeles, California area — where we offer installation and customization services. If you are thinking about purchasing multiple items, contact us for shipping discounts. We install on premises at both locations and can help confirm fitment or recommend supporting parts for your build.

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