KYMCO MXU 500i 2018 Service Information page 390

5.Engine MXU 700i
MXU 500i/700
Fit the sprocket onto the camshaft. Install the C-ring into the groove in the cylinder head.
Make sure the C-ring stays in place if the camshaft rotates. It can fall out if the camshaft is
rotated when the rocker cover is off.
Install the new camshaft sprocket retaining washer over the sprocket pin.
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