Honda NC700 2012 Service Manual page 318

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Apply engine oil to a new O-ring [1] and install it to the
camshaft maintenance cap [2].
Temporarily Install the camshaft maintenance cap to
the cylinder head.
If the engine is removed from the frame, tighten the
camshaft maintenance cap to the specified torque.
TORQUE: 4.0 N·m (0.4 kgf·m, 3.0 lbf·ft)
If the engine is installed on the frame, insert a feeler
gauge (0.1 mm) [1] between the camshaft maintenance
cap and cylinder head.
Tighten the camshaft maintenance cap securely.
Remove the feeler gauge.
Further tighten the camshaft maintenance cap at 30°.
One concave area [2] size is equivalent with 30°.
Install the following:
– Cylinder head cover (page 10-5)
– Crankshaft hole cap (page 3-12)
CAM CHAIN TENSIONER
CAM CHAIN INSPECTION
Remove the cylinder head cover (page 10-5).
Measure the cam chain tensioner wedge B [1] length.
SERVICE LIMIT: 6.0 mm (0.24 in)
Replace the cam chain with a new one if the projection
exceeds the service limit.
For the cam chain replacement, remove the following:
– Cam sprocket (page 10-13)
– Primary drive gear
– NC700X/XA/S/SA (page 11-15)
– NC700XD/SD (page 12-108)
RELEASING CAM CHAIN TENSION
Remove the cylinder head cover (page 10-5).
Install an O.D. 2 mm pin [1] into the cam chain
tensioner wedge A hole while pulling the wedge A [2]
straight up and pushing down the wedge B [3].
Be careful not to let the 2 mm pin fall into the
crankcase.
CYLINDER HEAD/VALVES
[2]
[1]
[1]
[2]
[1]
[1]
6.0 mm (0.24 in)
[2]
[3]
10-11