Rated 4 out of 5 stars.
Time to freshen up the bottom end of your Yamaha YZ250?

This Kalama kit has everything you need.
It's a complete rebuild kit for 2003 through 2023 YZ250 models.

The kit includes a new crankshaft, a piston kit, a full gasket set, main bearings, and oil seals.
All the critical rotating and sealing parts.

It crosses with a ton of OEM part numbers like 1P8-11631-00-A0, 5UP-11351-00-00, and 93102-20485-00.

Made in Taiwan.
Whether you're a pro mechanic or a weekend warrior, this kit gives you all the bits to do the job right.

No manufacturer part number, but it's all there.