Kymco XCITING 500 - Service Manual > Camshaft Installation

Turn the crankshaft clockwise, align the "T" mark on the flywheel with the index mark on the right crankcase cover.

Apply molybdenum disulfide oil to the camshaft journals of the camshaft holder.

Apply molybdenum disulfide oil to the camshaft journals of the cylinder head.

Install the cam chain over the cam sprockets and then install the intake and exhaust camshafts.

• Install each camshafts to the correct locations.

  "IN": no decompressor cam
  "EX": has a decompressor cam

• Make sure the timing marks on the cam sprockets are flush with the cylinder head upper surface and punch marks face upward as shown.

Install intake and exhaust camshaft holders to the correct locations.

Install each camshaft holders to the correct locations.

"IN": no stop pin.
"EX": has a stop pin.

Apply engine oil to cylinder head bolt (No. 1 - 9) threads.

Install and tighten the holder bolts (No. 1 - 9) in a crisscross pattern in four steps to the specified torque as follow diagram.

Install the common camshaft holder by arrow mark facing outside.

Install and tighten the holder bolts (No. 10 - 13) in a crisscross pattern in four steps to the specified torque as follow diagram.

Apply engine oil to cylinder head bolt (No. 10 - 13) threads.

Tighten the two cylinder bolts to the specified torque.

Torque: 10 N*m (1 kgf*m, 7 lbf*ft)

Install the cam chain guide and tighten the two bolts securely.

Release the timing chain tensioner one-way cam and push the tensioner rod all the way in.

Install the tensioner with a new gasket onto the cylinder.

Install and tighten the tensioner bolts to specified torque.

Torque: 12 N*m (1.2 kgf*m, 9 lbf*ft)

Install the spring, washer and timing chain tensioner cap bolt to specified torqur.

Torque: 10 N*m (1 kgf*m, 9 lbf*ft) Adjust the valve clearance.

CYLINDER HEAD COVER INSTALLATION

Install the cylinder head packing into the groove of the cylinder head cover.

Install the cylinder head cover onto the cylinder head and tighten the cylinder head cover bolts to the specified torque.

Torque: 10 N*m (1 kgf*m, 7 lbf*ft)

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