Posts tagged Valves

Destroyed XR650R Piston and Valves

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The top end of the Honda XR650R is very robust and long living. However, if you push it too hard you can eventually hit a wall. The pictures below are from a motor that was running a stage 2 cam. This cam puts the valves VERY close to the piston when fully open. When the cam chain stretches a bit then Kablammo!

Honda XR650R Valve Cover / Cylinder Head Cover – Parts Fiche

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Parts fiche for the Honda XR650R Valve Cover or Cylinder Head Cover.

Honda XR650R Cam Shaft, Rocker Arms, and Valve Assembly – Parts Fiche

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Parts fiche for the Honda XR650R Cam Shaft, Rocker Arms, and Valve Assembly.

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