• Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders

  • Big Bore Kit gives your vehicles more displacement

  • Cylinder kits include matched Vertex pistons to ensure longevity, performance and reduced engine noise

  • Nickel Silicon Carbide plated for long life

  • Kits come complete with big bore gaskets, cylinder, bigger piston, rings, pin and clips

  • Made in the U.S.A. and Italy



**NOTE: 2004-2009 CRF250R2004-2015 CRF250X 269cc kit requires case machining to make the Big Bore kit fit.

2002-2014 YAMAHA YZ85 103.5cc kit requires case cylinder machining to make the Big Bore kit fit.

2002-2014 YAMAHA YZ85 107.8cc kit requires case and cylinder machining to make the Big Bore kit fit.
 
 
  • Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders
  • Big Bore Kit gives your vehicles more displacement
  • Cylinder kits include matched Vertex pistons to ensure longevity, performance and reduced engine noise
  • Nickel Silicon Carbide plated for long life
  • Kits come complete with big bore gaskets, cylinder, bigger piston, rings, pin and clips
  • Made in the U.S.A. and Italy

**NOTE: 2004-2009 CRF250R2004-2015 CRF250X 269cc kit requires case machining to make the Big Bore kit fit.

2002-2014 YAMAHA YZ85 103.5cc kit requires case cylinder machining to make the Big Bore kit fit.

2002-2014 YAMAHA YZ85 107.8cc kit requires case and cylinder machining to make the Big Bore kit fit.
 
Compatible Vehicles
YearsMakeModelNotes
2004-2008Arctic Cat400 DVX
2006-2007Arctic Cat400 DVX Tony Stewart
2003-2006KawasakiKFX400
2003KawasakiKLX400R
2003KawasakiKLX400SR
2000-2004SuzukiDRZ400
2000-2007SuzukiDRZ400E
2000-2009SuzukiDRZ400S
2011-2022SuzukiDRZ400S
2005-2009SuzukiDRZ400SM
2013-2022SuzukiDRZ400SM
2003-2009SuzukiQuadsport Z400 LTZ400 2x4
2012-2014SuzukiQuadsport Z400 LTZ400 2x4
2012SuzukiQuadsport Z400 LTZ400Z 2x4 Limited Edition
 
NOTE: Image may not be actual item and may differ depending on your vehicle fitment. Please do not make your purchase based on the picture. Contact us for more information.
 
INTERNATIONAL CUSTOMERS: Before purchasing aftermarket parts for your bike, please confirm that your vehicle has USA-specified parts. If you have a non-USA vehicle, the manufacturer may have used different OEM parts to meet your countries standards. If this is the case, parts ordered from a USA retailer may not fit correctly. Compare the microfiche for the USA model to your model to be sure they are the same. Perf-moto is not responsible for fitment issues caused by non-USA models.
 
All Taxes, Customs, and Duty fees for Internationally sent items are the responsibility of the buyer.. Unfortunately, we can not mark as gift or lower the value for international shipments.
Sales tax is collected for Michigan residents and other states which require internet sales tax.
 

Shipping to the USA will be with UPS, Fedex, USPS, or other trackable service. Shipping to all International countries will have tracking

Remember, Customs and Duty Taxes for International purchases are the buyers responsibility. Please make sure you know the rules of your country before purchasing. All buyers are responsible for additional shipping and handling charges incurred due to an invalid or undeliverable shipping address.
 

Customer Service: Our goal is provide you with the best and easiest internet purchasing experience. Feel free to contact us on eBay. Our hours are Monday thru Friday 9am-5pm (Eastern Standard Time USA). We try our best to answer all emails within 24 hours and any email sent after Friday 5pm will be answered the following Monday.

Feedback & DSR ratings:; We are committed to providing a great online shopping experience. Please contact us with any questions or concerns before you leave feedback and we will be happy to help.
 
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