Yamaha YFZ450R 2009 - 2013 Wiseco Bottom End & Crankshaft Kit

WISECO BOTTOM END ENGINE REBUILD KIT

Each kit contains everything you need to complete your bottom end rebuild the right way, the first time- crankshaft, connecting rod and all applicable bearings, with complete bottom end gasket kit made to OEM standard.

Wiseco connecting rods are double forged from a dedicated forging and feature shot peening, oil slots, and coated bronze thrust washers, and the bottom end gasket kits are made from premium materials, exceeding OEM standards, to provide exceptional seal between critical mating surfaces, the main bearings are manufactured to the highest quality standards. Each is case hardened for maximum life and smooth operation at high RPM’s.

Wiseco’s extensive experience with powersports engine components provides confidence that their bottom end kits are engineered to restore showroom-floor performance. by using quality Wiseco’s quality engine components you’ll protect your investment for many off-road seasons to come.

Everything you need in one box:

• Cranks are DYNO tested at the Wiseco facility and in the field to ensure that it meets your expectations.
• OEM grade main bearing for ultimate smooth operation.
• Top end of rod is bushed for oil retention
• Bottom end rod bores are case hardened to 58-62 RC to optimize bearing running surface.
• Gaskets are manufactured from premium metrials
• Corrosion resistant surface treatment to prevent corrosion

Please note: Images for illustration only. Correct parts will be supplied.

Fitment Details

• Yamaha YFZ450R 2009
• Yamaha YFZ450R 2010
• Yamaha YFZ450R 2011
• Yamaha YFZ450R 2012
• Yamaha YFZ450R 2013