Honda NC700 2012 User Manual

10-19
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CYLINDER HEAD/VALVES
DISASSEMBLY
Remove the following:
– Cylinder head (page 10-16)
– Spark plug (page 3-8)
– Injector (page 7-20)
– Camshaft (page 10-13)
Loosen the insulator band screws [1] and remove the
insulator [2].
Remove the valve spring cotters using the special tool
as shown.
To prevent loss of tension, do not compress the valve
springs more than necessary to remove the cotters.
Remove the following:
– Spring retainer [1]
– Valve spring [2]
– Valve [3]
– Stem seal [4]
– Valve spring seat [5]
Mark all parts during disassembly so they can be
placed back in their original locations.
INSPECTION
CYLINDER HEAD
Remove carbon deposits from the combustion
chambers [1].
Avoid damaging the gasket surface.
Check the spark plug hole and valve areas for cracks.
[2]
[1]
TOOL:
Valve spring compressor 07757-0010000
[1]
[2][4][5][3]
[1]

Honda NC700 2012 Specifications

General

Engine Type	670cc liquid-cooled parallel-twin
Bore x Stroke	73.0mm x 80.0mm
Compression Ratio	10.7:1
Front Brake	Single 320mm disc with two-piston caliper
Rear Brake	Single 240mm disc with single-piston caliper
Fuel Capacity	3.7 gallons
Fuel System	PGM-FI
Transmission	6-speed
Front Suspension	41mm telescopic fork
Rear Suspension	Pro-Link single shock
Front Tire	120/70-17
Rear Tire	160/60-17
Wheelbase	60.6 inches
Curb Weight	472 pounds