What is a stroker crankshaft and how does it improve performance?

A stroker crankshaft has a longer stroke than a stock crankshaft, which increases the engine's displacement. This larger displacement allows the engine to burn more fuel and air, resulting in increased torque and horsepower.

Does this crankshaft come with everything needed for installation?

Yes, this Hot Rods stroker crankshaft is sold complete and ready for installation. It includes proven Hot Rods connecting rods, top end bearings, and crankshaft webs.

Will I need to modify my engine to install this stroker crankshaft?

For most applications, this stroker crankshaft does not require modifications to your stock piston or engine setup. However, it's always recommended to consult your vehicle's service manual for specific installation details.

Hot Rods Crankshaft 4174 for Yamaha YZ 450 F

Name: Hot Rods 06-09 Yamaha YZ 450 F 450cc Stroker Crankshaft
Brand: Hot Rods
SKU: hot-rods-hot-rods-06-09-yamaha-yz-450-f-450cc-stroker-crankshaft-t14-729193
Price: 511.05 USD
Availability: BackOrder

Hot Rods 06-09 Yamaha YZ 450 F 450cc Stroker Crankshaft

$511.05

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Hot Rods 06-09 Yamaha YZ 450 F 450cc Stroker Crankshaft. Increases displacement, torque, and horsepower.

Key Features

Fits 2006-2009 Yamaha YZ 450 F.
Factory assembled, trued, and balanced to OEM specifications.
Increases engine displacement, torque, and horsepower.
Sold complete with Hot Rods connecting rods, top end bearings, and crankshaft webs.
Most applications do not require modifications for installation.
Balanced to DIN Class 9 or higher for smooth operation.

This crankshaft is designed for the 2006-2009 Yamaha YZ 450 F. Please verify fitment with your specific vehicle model.

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Product Details

This Hot Rods stroker crankshaft is factory assembled, trued, and balanced to OEM specifications, ready to boost the performance of your 2006-2009 Yamaha YZ 450 F. It's designed to increase displacement, which directly translates to more torque and horsepower, giving your bike a noticeable edge. The crankshaft comes complete with proven Hot Rods connecting rods, top end bearings, and crankshaft webs, meaning it's ready for installation without needing separate purchases for these critical components.

What sets this stroker crankshaft apart is its ability to raise your engine's displacement, offering a significant performance upgrade over stock. Most applications will fit without requiring modifications to your existing setup, allowing for a more straightforward installation process. This means you can get back on the track or trail sooner with an improved powerband. The crankshaft is balanced to a high standard, DIN Class 9 or higher, ensuring smooth operation and durability even under demanding riding conditions.

When you're looking to extract more power from your YZ 450 F, this stroker crankshaft is a well-built option. It's a complete package designed for performance, providing a substantial increase in torque and horsepower. Ensure you consult your service manual for specific installation procedures and any required supporting modifications, though this unit is designed for ease of integration.