Wiseco Piston Kit for 1999-20 Yamaha YZ250 - 66.40mm - 804M06640
Wiseco Performance Piston Kit
Part Number: 804M06640
- These kits contain everything you need to complete your piston repair, the first time
- High Performance ring kit and alloy pin included with each piston kit for extended life and sustained power.
- Dedicated forgings used for superior strength to weight ratio utilizing aerospace alloy.
- All Piston Kits are precision crafted and forged in the USA
Wiseco's Piston Kits are offered for nearly every popular application in the powersports market. These kits contain everything you need to complete your piston repair, the first time. High quality parts specifically chosen by us to match our forged pistons are included in this kit for easy one stop shopping. 2-stroke kits feature our Pro-Lite pistons that are CNC machined for optimal cam shape and profile for peak HP and service life. 4-stroke kits feature a race-ready dome finish with smooth edges for improved combustion flow. Horizontal slot-pin oiling reduces friction and provides scuff resistance, along with a pressure seal groove for maximum ring seal. 4-stroke race applications feature Wiseco's Armor Glide skirt coating to provide reduced friction and noise to contribute to increased horsepower. Each piston is built from race proven designs that are chosen by the top race teams in all forms of racing including Supercross, Motocross, GNCC, Super-bike, and more.
- Displacement: 249cc
- Bore-Standard: 66.40mm
- Bore-Actual: 66.40mm
- Bore-Oversize: STD
- Stroke: 72.00mm
Tire Diameter Speed Rating Load Rating Wall Construction Tire Tube Type Rim Size Product Line Wiseco Piston Kit Part Number 804M06640 Fitment Type Unit Sale Qty Each Style Material Color Size Finish Position Functional Length Cable Sleeve Length Cable Sleeve Travel Driver Seat Length Passenger Seat Length Driver Seat Width Passenger Seat Width Piston/Cylinder Size 66.40mm Piston Size Added 0.00mm Cylinder Stroke Volume 72.00mm Final Engine Displacement 249cc Exhaust Configuration Muffler Size Muffler End/Tip Style Windshield Height Windshield Width Handlebar Diameter California Emissions FALSE Product Disclaimer
2020 Yamaha YZ250
2019 Yamaha YZ250
2018 Yamaha YZ250
2017 Yamaha YZ250
2016 Yamaha YZ250
2015 Yamaha YZ250
2014 Yamaha YZ250
2013 Yamaha YZ250
2012 Yamaha YZ250
2011 Yamaha YZ250
2010 Yamaha YZ250
2009 Yamaha YZ250
2008 Yamaha YZ250
2007 Yamaha YZ250
2006 Yamaha YZ250
2005 Yamaha YZ250
2004 Yamaha YZ250
2003 Yamaha YZ250
2002 Yamaha YZ250
2020 Yamaha YZ250X
2019 Yamaha YZ250X
2018 Yamaha YZ250X
2017 Yamaha YZ250X
2016 Yamaha YZ250X
Items will be shipped within 1 business day from the date of purchase to the address provided. Orders submitted before 3PM EST will often ship the same day. We will use an appropriate shipping service and/or carrier based on the shipping service selected at checkout and can not be changed/upgraded/modified in any way once the order is submitted.Shipping Address Restriction
If your address has a carrier restriction and is not serviced by one or more of the US domestic carriers (USPS, UPS or FedEx), then it is YOUR RESPONSIBILITY to notify us of this restriction at the time of purchase with either an order note entered before checkout, or a direct message within 15 minutes of order submission.International Purchases
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All orders must be paid in full before an order can be shipped. Cost of any additional shipping service upgrades are due at the time of checkout and can not be added once the order is complete. Certain destinations are subject to sales tax which is calculated and applied to the order total before checkout and order submission.Part Compatibility Policy
Application specific parts will have part compatibility indicated in the "Fits" or "Fitment" section of the product description and will be provided for all application specific products. These fitment indications are sourced from the product manufacturer and may be subject to change. Please be careful in reading any/all fitment indications for exact Year-Make-Model-Sub Model indications to make sure the part ordered will fit your exact application/s. If you are uncertain about a part compatibility and will to clarify before purchase, please feel free to message us at anytime and an experienced support staff member will assist you in verifying fitment to his/her best ability.Image Policy
Product specific images displayed on listings will be provided IF available, and when not available, a generic (non-specific) image will be provided that represents the general product type listed. Listing images should not be used as the exclusive basis for making your purchase decision and it is the customer responsibility to review the product description and all fitment indications before adding the item to cart.Return Policy
At SVS Powersports we understand that a product does not always look, fit or function as expected. If such a situation arrises, we do accept returns of all Unopened, Unused items with original packaging within 30 days of purchase/delivery. If your item is damaged, defective or completely different from the item ordered, please DO NOT submit a return request, please contact our knowledgable support staff with a clear description of the issue and someone will get back to you in a prompt time frame.
At SVS Powersports we are proud to offer unparalleled level of customer support and if any question or issue should arise, do not hesitate to contact us at any time. We have a very experienced and knowledgable support staff that can assist you with virtually any inquiry. Support staff is available 6 Days a week (Monday Thru Saturday) 10AM to 6PM EST by calling 1-800-787-5817 OR via email at email@example.com with most inquiries responded to within less than an hour during our staff support hours. If you contact us outside these hours, we may still get back you right away, but a response may be delayed until the next business day.
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