Camshaft Inspection - Honda GL1800 Service Manual

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CYLINDER HEAD/VALVE

Loosen the camshaft holder bolts in a crisscross

pattern in several steps from the outside to inside

to prevent damaging the camshaft holder and

Remove the camshaft holder.

Remove the cam chain off the cam sprocket, being

careful not to damage the cylinder head and cam-

shaft and then remove the camshaft.

Remove the valve lifters and shims.

• Be careful not to damage the valve lifter bores.

• The shims may stick to the inside of the valve

lifters. Do not allow the shims to fall into the cyl-

• Mark all valve lifters and shims to ensure correct

reassembly in their original locations.

• The valve lifters can be easily removed with a

valve lapping tool or magnet.

• The shims can be easily removed with tweezers

or a magnet.

Check the cam sprocket for wear or damage.

Check the cam and journal surfaces of the camshaft

for scoring, scratches or evidence of insufficient

lubrication.

Check the oil holes in the camshaft for debris.

Measure the camshaft runout using a dial indicator.

SERVICE LIMIT: 0.03 mm (0.001 in)

Measure each cam lobe height using a micrometer.

SERVICE LIMITS: IN: 41.58 mm (1.637 in)

EX: 41.65 mm (1.640 in)

AMSHAFT HOLDER

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