wr450 yz cam change

22 replies to this topic
  • adam080145

Posted June 13, 2015 - 11:14 AM


With the crank I at the correct mark thats how the lobes sit in the pic above, also the inlet (wr cam) punch is just below and the exhaust cam(YZ cam) is above

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  • adam080145

Posted June 13, 2015 - 11:19 AM


ah ok rite if the exhaust cam punch mark is totally level I timing mark through the hole cant see it  but the inlet cam punch is at sea level too then. I think i may take both cams out and start all over again with my finger push in the tensioner hole this time

  • chu

Posted June 13, 2015 - 01:08 PM


Yeah, if you can't even see the timing mark the chain must have jumped a tooth.  Have to start over with it at TDC.


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