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GENERAL INFORMATION
ENGINE Cylinder arrangement 2 cylinders in-line, slant angle 55°
Bore and stroke 73.0 x 80.0 mm (2.87 x 3.15 in)
Displacement 670 cm
3
(40.9 cu-in)
Compression ratio 10.7:1
Valve train Chain driven, OHC with rocker arm
Intake valve opens at 1 mm (0.04 in) lift No.1: – 20° BTDC
No.2: – 25° BTDC
closes at 1 mm (0.04 in) lift 27° ABDC
Exhaust valve opens at 1 mm (0.04 in) lift 30° BBDC
closes at 1 mm (0.04 in) lift No.1: – 15° ATDC
No.2: – 20° ATDC
Lubrication system Forced pressure and wet sump
Oil pump type Trochoid
Cooling system Liquid cooled
Air filtration Paper element
Engine dry weight NC700X/XA/S/SA 60.5 kg (133.4 lbs)
NC700XD/SD 67.3 kg (148.4 lbs)
Firing order 1 - 2
FUEL DELIVERY
SYSTEM
Type PGM-FI (Programmed Fuel Injection)
Throttle bore 36 mm (1.4 in)
DRIVE TRAIN Clutch system NC700X/XA/S/SA Multi-plate, wet
NC700XD/SD 2 Multi-plate wet clutches
Clutch operation system NC700X/XA/S/SA Cable operating
NC700XD/SD Automatic
Transmission Constant mesh, 6-speeds
Primary reduction NC700X/XA/S/SA 1.731 (71/41)
NC700XD/SD 1.921 (73/38)
Final reduction NC700X/XA/S/SA 2.687 (43/16)
NC700XD/SD 2.437 (39/16)
Gear ratio NC700X/XA/S/SA 1st 2.812 (45/16)
2nd 1.894 (36/19)
3rd 1.454 (32/22)
4th 1.200 (30/25)
5th 1.033 (31/30)
6th 0.837 (31/37)
NC700XD/SD 1st 2.666 (40/15)
2nd 1.904 (40/21)
3rd 1.454 (32/22)
4th 1.200 (30/25)
5th 1.033 (31/30)
6th 0.837 (31/37)
Gearshift pattern NC700X/XA/S/SA Left foot operated return system,
1 - N - 2 - 3 - 4 - 5 - 6
NC700XD/SD Automatic and electric shift (left hand
operated) return system,
N - 1 - 2 - 3 - 4 - 5 - 6
ELECTRICAL Ignition system Computer-controlled digital
transistorized with electric advance
Starting system Electric starter motor
Charging system Triple phase output alternator
Regulator/rectifier FET shorted/triple phase full wave
rectification
Lighting system Battery
ITEM SPECIFICATIONS
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