Description

This +4mm Long Rod Heavy Duty Crankshaft for the 1987–2006 Yamaha Banshee 350 is a performance-focused upgrade designed to replace worn factory internals with a stronger, smoother, and longer-lasting assembly. This crankshaft requires the use of long-rod pistons and is not compatible with stock piston lengths. Each unit meets or exceeds OEM specifications and is backed by the REV6 1-year warranty.

THIS KIT INCLUDES

• Upgraded +4mm heavy-duty long rod crankshaft
• Upper rod bearings

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Yamaha Banshee 350 +4mm Long Rod Bottom End Rebuild Kit (1987–2006 Models)

LEARN MORE & GET SUPPORT

Review coverage details in our warranty policy, or dive into engine-building tips on the REV6 Blog. Many riders find fast answers on our FAQ page, and our support team is available anytime through the contact page.

FITMENT

Yamaha Banshee 350
1987–2006 Models

TAKE ACTION

If you’re upgrading displacement or building a stronger bottom end, this +4mm crankshaft delivers a proven reliability boost. With nationwide shipping, you can start your Banshee build with confidence.

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