Product description

The Hot Rods Stroker Crankshaft For Yamaha YZF250 2003-2013 is part of the latest collection from Hot Rods.

Features:

• Factory assembled and trued to OEM specifications
• Drop in replacement crankshaft requires no modification unless noted
• CNC machined and dynamically balanced to suit the increased stroke
• Add +2.00 mm to +4.00 mm of stroke depending on application
• Uses stock piston unless noted
• Main bearings not included
• Can be matched with Cylinder Works Big Bore cylinders to get significant displacement and horsepower gains
• Not re-buildable as the rods are shorter than OEM.
Connecting rod side clearance is 0.25 mm - 0.45 mm. +3.00 mm stroke increase makes 264 cc. Uses stock piston. Bolt in and go. When using Cylinder Works big bore cylinder kit it will make 285 cc.

Specifications:

• Color/Finish: Steel
• Displacement: 264 cc
• Features: Standard Crankshaft
• Material: 4140 Steel
• Model: 4-Cycle
• Product Name: Crankshaft Assembly
• Research Value: Finalized
• Riding Style: Off-Road
• Stroke Length Metric: 56.60 mm
• Stroke Length: 56.60 mm
• Type: Stroker
• Units: Assembly

To fit:

• YAMAHA YZ 250 F 2003 All Models
• YAMAHA YZ 250 F 2004 All Models
• YAMAHA YZ 250 F 2005 All Models
• YAMAHA YZ 250 F 2006 50th Anniversary Limited Edition All Models
• YAMAHA YZ 250 F 2006 All Models
• YAMAHA YZ 250 F 2007 All Models
• YAMAHA YZ 250 F 2008 All Models
• YAMAHA YZ 250 F 2009 All Models
• YAMAHA YZ 250 F 2010 All Models
• YAMAHA YZ 250 F 2011 All Models
• YAMAHA YZ 250 F 2012 All Models
• YAMAHA YZ 250 F 2013 All Models

Manufacturer part number: 4149

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Contents

Your package will include the following:

• 1 X Hot Rods Stroker Crankshaft For Yamaha YZF250 2003-2013