Availability:
6 in stock, ready to be shipped
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.
Specs
Product Name
Crankshaft Assembly
Type
Stroker
Features
Heavy Duty Crankshaft
Units
Assembly
Model
4-Cycle
Riding Style
ATV
Displacement
470 cc to 471 cc
Stroke Length
66,40 mm
Stroke Length
66.40 mm
Material
4140 Steel
Color/Finish
Steel
Part Notes
Connecting rod side clearance is 0.20 mm - 0.55 mm.
When using Cylinder Works # 21001-K01 makes 500 cc.
Final displacement determined by application.
Uses stock piston.
Does not fit fuel injected R or X models.
2004-2005
Yamaha
YFZ 450 LE 4x2
2004-2009,2012-2013
Yamaha
YFZ450
2006
Yamaha
YFZ 450 SE 4x2
2006-2007
Yamaha
YFZ450 Bill Balance Edition
2007-2008
Yamaha
YFZ450 SE
Fitment DisclosureThis quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.
Original price
$645.95
-
Original price
$645.95
Original price
$645.95
$645.95
-
$645.95
Current price
$645.95
Product Details
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.
Specs
| Product Name | Crankshaft Assembly |
| Type | Stroker |
| Features | Heavy Duty Crankshaft |
| Units | Assembly |
| Model | 4-Cycle |
| Riding Style | ATV |
| Displacement | 470 cc to 471 cc |
| Stroke Length | 66,40 mm |
| Stroke Length | 66.40 mm |
| Material | 4140 Steel |
| Color/Finish | Steel |
Part Notes
- Connecting rod side clearance is 0.20 mm - 0.55 mm.
- When using Cylinder Works # 21001-K01 makes 500 cc.
- Final displacement determined by application.
- Uses stock piston.
- Does not fit fuel injected R or X models.
| 2004-2005 | Yamaha | YFZ 450 LE 4x2 |
| 2004-2009,2012-2013 | Yamaha | YFZ450 |
| 2006 | Yamaha | YFZ 450 SE 4x2 |
| 2006-2007 | Yamaha | YFZ450 Bill Balance Edition |
| 2007-2008 | Yamaha | YFZ450 SE |
Fitment Disclosure
This quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.Product Description
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.
Specs
| Product Name | Crankshaft Assembly |
| Type | Stroker |
| Features | Heavy Duty Crankshaft |
| Units | Assembly |
| Model | 4-Cycle |
| Riding Style | ATV |
| Displacement | 470 cc to 471 cc |
| Stroke Length | 66,40 mm |
| Stroke Length | 66.40 mm |
| Material | 4140 Steel |
| Color/Finish | Steel |
Part Notes
- Connecting rod side clearance is 0.20 mm - 0.55 mm.
- When using Cylinder Works # 21001-K01 makes 500 cc.
- Final displacement determined by application.
- Uses stock piston.
- Does not fit fuel injected R or X models.
| 2004-2005 | Yamaha | YFZ 450 LE 4x2 |
| 2004-2009,2012-2013 | Yamaha | YFZ450 |
| 2006 | Yamaha | YFZ 450 SE 4x2 |
| 2006-2007 | Yamaha | YFZ450 Bill Balance Edition |
| 2007-2008 | Yamaha | YFZ450 SE |
Fitment Disclosure
This quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.Part Numbers
| Store SKU | MFR. Product # | Availability |
|---|---|---|
| 0921-0043 | 4173 | In Stock |
Fitment
This product is vehicle specific.
Select your vehicle to confirm fitment.
This Product Fits
Fitment Disclosure
This quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.