01 yz426 clatter after valve adjustment Heyguys, I have an 01 426 that started leaking water into the oil. So I tore it rdown, replaced water pump seals, bearing, head gasket, base gasket, and while I had it apart new rings and valve adjustment. Now it starts first kick every time , no coolant oil mixture happening now, but has a horrible clatter coming from I think the valves. Had the thing apart many times now checking specs, and everything is by the book but can't figure out the clatter. Did not do it before I tore it down but now is driving me crazy. if anybody can help me out is really appreciate it.

asked by


03 Aug, 2016

  • 73%
    Solved this issue
  • 108min
    Time to fix
  • 70%
    Recommend to DIY
Need a faster answer?
Hi, Calvinmelane for more information about your question and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
YZ426 problems after valve adjustment YZ 400 426 450
Clanging noise YZ426 YZ 400 426 450
Yamaha YZ426F Owner Service Manual
OEM parts for Yamaha
Yamaha YZ450F Owner Manual Page 3
  • Were you able to resolve it?
    Yes No
    Awesome !
  • How long did it take to fix?
    Good to know
  • Is it better to DIY or Repair?
    DIY Repair
    Got it
Instant Repair Help
over the Phone or Video