Yamaha YZ 250 Engine Rebuild Kit w/ Crankshaft, Piston & Gaskets
This new Yamaha YZ 250 engine rebuild kit includes a crankshaft, piston, and gasket set for a top-to-bottom refresh. It’s a practical option for restoring compression and reliability after wear or a failure. Compatibility is listed as 2003–2014; check the listing for details on exact fitment, included parts, and any required bearings or seals. Item condition is new and ships with free shipping. Review the listing photos and notes to confirm everything you need is included before purchase.
| Location | Nine Mile Falls, Washington US |
| Shipping | Free shipping (check listing for details) |
| Seller |
ewsmotorsports
99.2% positive · 29509 feedback
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| Listing | FixedPrice · Active |
| Return shipping will be paid by | Seller |
| Returns Accepted | Returns Accepted |
| Item must be returned within | 30 Days |
| Refund will be given as | Money Back |
| Compatible Model | YZ 250 |
| Manufacturer Part Number | WPC134, NX-40025, NX-40031T |
| Brand | Wiseco, Namura |
| Manufacturer Warranty | 90 Day |
| Compatible Make | For Yamaha |
New engine rebuild kit for YAMAHA YZ 250 Crankshaft and connecting rod Namura Cast Piston 66.35mmCrankshaft bearings Complete gasket & seal kit made to meet or exceed OEM* All new assembly. If an over
size piston is needed please send a note with purchase * Crankshafts are sold complete with Wiseco connecting rods and inner crankshaft webs. * Factory assembled and trued to within . * Ready for installation. * Crankshafts are completely rebuildable. * Top end bearings included.
