CRANKSHAFT ASSY 06-13 YFZ450, HOTROD 4073 YAMAHA ATV
Hot Rods 4073 crankshaft assembly features a heavy-duty design with a +1.4mm stroke for 2004-2005 models to achieve 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. This crankshaft is factory-assembled and trued to meet or exceed OEM specifications. It includes Hot Rods connecting rod and inner crankshaft webs, and is fully rebuildable for long-term reliability. Final displacement is 450cc for 04-05 models. Stroke is 63.400mm with an increased engine stroke of 1.400mm. Engine type is 4-cycle. Connecting rod side clearance is 0.2-0.55mm. It is completely bolt-in and ready for use. Not compatible with fuel-injected R or X models. Cross-reference OEM Part Numbers: Yamaha 5TG-11400-10-00, 5TG-11400-30-00, 5TG-11400-31-00, 5TG-11412-10-00, 5TG-11412-30-00, 5TG-11422-10-00, 5TG-11422-30-00. Part Number: 56-281.
- SKU
- 56-281
- Brand
- Hot Rods
- Availability
- In Stock (1)
FULL DESCRIPTION
Hot Rods Crankshaft Assembly for Yamaha YFZ450
Enhance the performance and reliability of your Yamaha YFZ450 with the Hot Rods Crankshaft Assembly. This heavy-duty, precision-engineered component is factory-assembled and trued to meet or exceed original equipment manufacturer (OEM) specifications, ensuring a perfect fit and optimal function. Designed for longevity, this crankshaft assembly is fully rebuildable, offering a durable solution for your ATV.
This assembly includes a Hot Rods connecting rod and inner crankshaft webs, contributing to its robust construction. It is engineered for straightforward installation, utilizing stock pistons for a seamless upgrade. For specific model years, a +1.4mm stroke is incorporated to achieve a true 450cc displacement, while maintaining a standard stroke design for other compatible years. When paired with the Cylinder Works #21001-K01, the engine's displacement can be increased to 478cc, offering a significant power boost.
Key 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 (for 2004-2005 models) to achieve 450cc displacement.
- Can provide 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.
OEM Part Number Cross-Reference:
- 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
