Honda NTV650 Valve timing the budget cafe racer project.

Описание: Todays video is a quick how to on adjusting the valve clearances.

NOTE:
Inspect and adjust valve clearance while the engine is cold (below 35°C/95°F).

Remove the following parts:

seat (page 13-25)
fuel tank (page 4-3)
air cleaner case (page 4-4)
thermostat housing mounting bolt and radiator mounting bolts to releasing tension of water hoses
crankshaft and timing hole caps
cylinder head cover


Remove the cylinder head covers.


FRONT CYLINDER

Rotate the flywheel counterclockwise to align the “FT” mark with the index notch on the left crankcase cover. Make sure the piston is at TDC (Top Dead Center) on the compression stroke and the cam lobes are all facing down as shown.




Inspect the clearance of all three valves by inserting a feeler gauge between the adjusting screw and the valve.

VALVE CLEARANCES: (COLD)
Intake: 0.15 ± 0.02 mm (0.006 ± 0.0008 in)
Exhaust: 0.20 ± 0.02 mm (0.008 ± 0.0008 in)



Adjust by loosening the lock nut and turning the adjusting screw until there is a slight drag on the feeler gauge.

Apply oil to the nut and screw threads.

Hold the adjusting screw and tighten the lock nut.

TOOL:
Valve adjusting wrench 07908—KE90000
TORQUE: 23 N•m (2.3 kg-m, 17 ft-lb)


Page 3-8


REAR CYLINDER

Rotate the flywheel counterclockwise to align the "RT" mark with the index notch on the left crankcase cover. Make sure the piston is at TDC on the compression stroke and the cam lobes are all facing down.

Inspect and adjust the valve clearance using the same method as for the front cylinder.
Install the front and rear cylinder head covers.

Apply molybdenum disulfide grease to the threads of the timing and crankcase hole caps, then install and tighten them.

TORQUE:
Timing hole cap:
10 NM (1.0 kg-m, 7.2 ft-lb)
Crankshaft hole cap:
15 NM (1.5 kg-m, 11 ft-lb)




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