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CRANKSHAFT ASSY 06-13 YFZ450, HOTROD 4073 YAMAHA ATV

CRANKSHAFT ASSY 06-13 YFZ450, HOTROD 4073 YAMAHA ATV

Regular price £358.29 GBP
Regular price Sale price £358.29 GBP
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Fits Yamaha YFZ450 models from 2004 to 2013, excluding fuel-injected R or X models. The crankshaft assembly features a heavy-duty design, with a +1.4mm stroke for 2004-2005 models to achieve a true 450cc displacement. For 2006-2008 models, the standard stroke design is retained. The crankshaft uses a stock piston for straightforward installation. When paired with Cylinder Works #21001-K01, the engine's displacement increases to 478cc.

Features:

  • Heavy-duty crankshaft design with precise engineering.
  • Factory-assembled and trued to meet or exceed OEM specifications.
  • Includes Hot Rods connecting rod and inner crankshaft webs.
  • Fully rebuildable for long-term reliability.
  • Compatible with stock pistons for quick installation.
  • Increases engine stroke by 1.4mm (04-05 models) to achieve 450cc displacement.
  • Provides 478cc displacement when used with Cylinder Works #21001-K01.
  • Not compatible with fuel-injected R or X models.

Specifications:

  • Final displacement: 450cc (04-05 models, with +1.4mm stroke).
  • Stroke: 63.400mm.
  • Increased engine stroke: 1.400mm.
  • Engine type: 4-cycle.
  • Heavy-duty: Yes.
  • Connecting rod side clearance: 0.2-0.55mm.
  • Completely bolt-in and ready for use.

Cross-reference OEM Part Numbers:

  • Yamaha: 5TG-11400-10-00
  • Yamaha: 5TG-11400-30-00
  • Yamaha: 5TG-11400-31-00
  • Yamaha: 5TG-11412-10-00
  • Yamaha: 5TG-11412-30-00
  • Yamaha: 5TG-11422-10-00
  • Yamaha: 5TG-11422-30-00

Vehicle Compatibility:

  • 2004-2013 Yamaha YFZ450
  • 2006 Yamaha YFZ450SP 50th Anniversary Edition
  • 2006-2007 Yamaha YFZ450BB Bill Ballance Edition
  • 2007 Yamaha YFZ450SE Special Edition
  • 2007 Yamaha YFZ450SE2 Special Edition 2
  • 2008 Yamaha YFZ450SP Special Edition
  • 2008 Yamaha YFZ450SP2 Special Edition 2

Part Number: 56-281

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