Keefer Tested

65 Hours On The 2020 Yamaha YZ450F

Comments (1)
  1. Hi Kris! Do you thinks its safe to put more hours on a top end? I ride a 2019 YZ450F, runs strong at 50hrs. I think its a similar piston design as the 2020. I take maintenance serious when it comes to oil/fileter Thank you! Very interesting article

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