CRANKSHAFT ASSY 06-13 YFZ450, HOTROD 4073 YAMAHA ATV
4.1 Trustpilot 99.9% positive on eBay
Delivery to United States 5–8 business days
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
- Out of Stock
Fitments (6)
| Make | Model | Year |
|---|---|---|
| YAMAHA | YFZ 450 | 2006 |
| YAMAHA | YFZ 450 | 2007 |
| YAMAHA | YFZ 450 | 2008 |
| YAMAHA | YFZ 450 | 2009 |
| YAMAHA | YFZ 450 | 2012 |
| YAMAHA | YFZ 450 | 2013 |
- General Product Group
- Crankshafts & Parts
- General Product Type
- Crankshaft Assembly
- Variant Id
- 250459
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
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00 (UK time).
Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.
Yes. We ship from the UK. Orders ship within 3 working days, then delivery to the United States takes 5–8 business days. The delivery price is shown at checkout before you pay. Delivery details
Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy
By card, PayPal, Apple Pay or Google Pay, or spread the cost with Klarna. Payment is taken securely by Stripe, and the options for your order are shown at checkout.
Any customs duties or import taxes charged in the United States are paid by you when the parcel arrives. Any tax we collect ourselves is shown at checkout before you pay.
More answers in our FAQ.
Trade pricing available
Buying parts for your business? Apply for a 2BrosParts trade account.