Chapter 7 – Cylinder head and valves
Manual de Oficina AJP PR3/PR4 (2015) 7 - 6
REMOVING TIMING CHAIN
Remove the left crankcase cover.
Remove the stator.
Remove the stator wheel.
Remove the pawl timing chain protection.
Remove the timing chain.
INSPECTION OF COMPONENTS
Camshaft
Manually rotate the bearing of the camshaft.
The bearing should rotate smoothly and
quietly. Also make sure that the inner race fits
with no gap in the camshaft.
Inspect the surfaces of the camshaft cams
about the bruises, scratches or evidence of
insufficient lubrication. Inspect the camshaft
oil holes for the presence of foreign materials.
Measure the height of each cam on the
camshaft.