+.50mm Yamaha TT-R 90E cylinder with matching oversize Wiseco piston kit for 2002-2007 bikes.

A $125.00 core fee is included in this price. Send us your good used cylinder core for  a condition-dependent refund.

Fits the Following Machines
  • Yamaha TT-R 90 E - 2002-2007

We do our best to provide you with accurate, well-researched vehicle fitment and compatibility but we're not perfect.

Study these images carefully. Please make sure that your cylinder either matches the OEM number listed here or has enough unique visual identifiers to make an educated purchase. We're not responsible for purchases made in error. 

Please message us directly or call us if you're unsure of this listing or need help finding the right parts for your ride. We’re open M-F, 9am to 5pm MST. 

Core Refund:
  • A core charge has been included in price. That core charge will be refunded automatically back onto your original method of payment upon receipt of your core cylinder.
  • Please keep in mind that your core refund can vary depending on the condition of your core cylinders.
  • Broken skirts, cracks into the water jacket, ports, or cylinder wall & O-ring groove damage are some of the reasons that you would not receive a full refund.
  • Refunds can be significantly less than the total core refund.
  • Cores that are returned without the core return paper are subject to much longer processing times, & are sometimes unable to be processed at all.
  • If you have concerns about the condition of your cylinders, please message us with pictures. Feel free to call with any questions!
Expedited shipping options are available at checkout

Message us if you have any questions!

***Please double check fitment!! We are not responsible for incorrectly placed orders***