Cylinder Kit 83.5mm Bore For Yamaha YFM350 Big Bear Bruin Grizzly Engine Rebuild
Cylinder Kit 83.5mm Bore For Yamaha YFM350 Big Bear Bruin Grizzly Engine Rebuild is backordered and will ship as soon as it is back in stock.
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Restore your Yamaha YFM350 engine's performance with the aftermarket Cylinder Kit for Big Bear, Bruin, and Grizzly — 83.5mm bore . This replacement kit is engineered for reliable rebuilds and performance restoration, delivering consistent compression and smooth operation under demanding riding conditions. The 83.5mm bore provides precise ring seal and compatibility with the listed models.
Comprehensive Vehicle Fitment
Based on verified aftermarket catalog data from multiple suppliers, this cylinder kit fits the following Yamaha models
Detailed Fitment Notes:
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Big Bear 350: Comprehensive fitment for Big Bear 350 YFM350FW (4x4) models from 1987-1999, as well as YFM350U (2x4) models from 1996-1999
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Grizzly 350: Compatible with Grizzly 350 models including 2x4 (YFM350G) and 4x4 (YFM350FG) variants from 2007 through 2014
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Raptor 350: Covers Raptor 350 (YFM350R) models from 2004-2013
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Wolverine 350: Fits Wolverine 350 4x4 (YFM350FX) from 1995-2005 and 2x4 (YFM350X) from 2006-2009
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Always verify the OEM reference for your exact model and year before installation
OEM Cross-Reference Information
This aftermarket cylinder kit is designed as a direct replacement for the following Yamaha OEM part numbers
| OEM Part Number | Component |
|---|---|
| 1UY-11310-03-00 | Cylinder Assembly |
| 5YT-11310-00-00 | Cylinder (Superseded) |
| 4WU-11310-00-00 | Cylinder (Superseded) |
| 1YW-11631-01-Y0 | Piston |
| 1UY-11631-01-Y0 | Piston |
| 5UH-11631-00-C0 | Piston |
| 4GB-11610-00-00 | Piston Ring Set |
| 1YW-11636-01 | Piston (Oversize) |
| 55V-11633-00-00 | Wrist Pin |
| 93450-19095-00 | Circlip |
| 1UY-11181-01-00 | Cylinder Head Gasket |
| 4KB-11351-00-00 | Cylinder Base Gasket |
Product Specifications
OEM part numbers are provided for cross-reference purposes only. Always verify fitment using your vehicle's specific model, year, and serial number before ordering.
Restore your Yamaha YFM350 engine's compression with this premium aftermarket cylinder kit—order today!
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