Direction of Engine Rotation

 

When rotating the crankshaft by hand, the free play amount of rotating direction will affect the adjustment. Ro-tate the crankshaft to positive direction (clockwise viewed from output side).

 

Electrical Wires

 

A two- color wire is identified first by the primary color and then the stripe color. Unless instructed otherwise, electrical wires must be connected to those of the same color.

 

Instrument

 

Use a meter that has enough accuracy for an accurate measurement. Read the manufacture’s instructions thor-oughly before using the meter. Incorrect values may lead to improper adjustments.

 

GENERAL INFORMATION 1-7

 

Model Identification

 

EX650A6F (United States and Canada) Left Side View

 

EX650A6F (United States and Canada) Right Side View

 

GENERAL INFORMATION

 

Model Identification

 

EX650A6F (Europe) Left Side View

 

EX650A6F (Europe) Right Side View

 

GENERAL INFORMATION 1-9

 

Model Identification

 

EX650B6F Left Side View

 

EX650B6F Right Side View

 

Frame Number Engine Number

 

GENERAL INFORMATION

 

General Specifications

 

Items	EX650A6F, EX650B6F
Dimensions
Overall Length	2 105 mm (82.9 in.)
Overall Width	760 mm (29.9 in.)
Overall Height	1 210 mm (47.6 in.)
Wheelbase	1 410 mm (55.5 in.)
Road Clearance	145 mm (5.7 in.)
Seat Height	790 mm (31.1 in.)
Dry Mass:
EX650A6F	178 kg (392.5 lb)
	(CAL) 178.5 kg (393.6 lb)
EX650B6F	182 kg (401.3 lb)
Curb Mass:
Front:
EX650A6F	101 kg (222.7 lb)
EX650B6F	103 kg (227.1 lb)
Rear:
EX650A6F	99 kg (216.1 lb)
	(CAL) 99.5 kg (219.4 lb)
EX650B6F	101 kg (222.7 lb)
Fuel Tank Capacity	15.5 L (4.1 US gal.)
Performance
Minimum Turning Radius	2.7 m (8.9 ft)
Engine
Type	4-stroke, DOHC, 2-cylinder
Cooling System	Liquid-cooled
Bore and Stroke	83 × 60 mm (3.3 × 2.4 in.)
Displacement	649 cm³ (39.60 cu in.)
Compression Ratio	11.3: 1
Maximum Horsepower	53 kW (72 PS) @8 500 r/min (rpm),
Maximum Torque	66 N·m (6.7 kgf·m, 49 ft·lb) @7 000 r/min (rpm),
Carburetion System	FI (Fuel Injection) KEIHIN TTK38 × 2
Starting System	Electric starter
Ignition System	Battery and coil (transistorized)
Timing Advance	Electronically advanced (digital igniter)
Ignition Timing	From 10° BTDC @1 300 r/min (rpm) to 35° BTDC @4 800
	r/min (rpm)
Spark Plug	NGK CR9EIA-9
Cylinder Numbering Method	Left to right, 1-2
Firing Order	1-2
Valve Timing:
Inlet:
Open	31° BTDC
Close	61° ABDC
Duration	272°

 

		GENERAL INFORMATION 1-11
General Specifications
Items	EX650A6F, EX650B6F
Exhaust:
Open	50° BBDC
Close	30° ATDC
Duration
	260°
Lubrication System		Forced lubrication (semi-dry sump)
Engine Oil:
Type		API SE, SF or SG
		API SH, SJ or SL with JASO MA
Viscosity		SAE 10W-40
Capacity	2.4 L (2.5 US qt)
Drive Train
Primary Reduction System:
Type		Gear
Reduction Ratio		2.095 (88/42)
Clutch Type		Wet multi disc
Transmission:
Type		6-speed, constant mesh, return shift
Gear Ratios:
1st		2.438 (39/16)
2nd		1.714 (36/21)
3rd		1.333 (32/24)
4th		1.111 (30/27)
5th		0.966 (28/29)
6th		0.852 (23/27)
Final Drive System:
Type		Chain drive
Reduction Ratio		3.067 (46/15)
Overall Drive Ratio	5.473 @Top gear
Frame
Type	Tubular, diamond
Caster (Rake Angle)	25°
Trail	106 mm (4.2 in.)
Front Tire:
Type	Tubeless
Size	120/70 ZR17 M/C (58W)
Rim Size	17 × 3.50
Rear Tire:
Type	Tubeless
Size	160/60 ZR17 M/C (69W)
Rim Size		17 × 4.50
Front Suspension:
Type		Telescopic fork
Wheel Travel		120 mm (4.7 in.)
Rear Suspension:

 

GENERAL INFORMATION

 

General Specifications

 

Items		EX650A6F, EX650B6F
Type	Swingarm
Wheel Travel	125 mm (4.9 in.)
Brake Type:
Front	Dual discs
Rear	Single disc
Electrical Equipment
Battery		V 10 Ah
Headlight:
Type	Semi-sealed beam
Bulb		V 55 W × 2/55 W (Hi/Lo)
Tail/Brake Light		V 5/21 W
Alternator:
Type	Three-phase AC
Rated Output		A/14 V @5 000 r/min (rpm)

 

Specifications are subject to change without notice, and may not apply to every country.

 

GENERAL INFORMATION 1-13

 

Technical Information - Cassette Type Transmission

 

Cassette Type Transmission

 

The transmission of the current model is unable to be removed without disassembling upper and lower crankcase halves.

 

The EX650A/B enables transmission to be removed from the right side of engine as an assy, without disassembling crankcase halves (see Transmission Assy Removal in the Crankshaft/Transmission chapter).

Transmission Assy: Drive Shaft [A] Output Shaft [B] Shift Rods [C] Shift Dram [D] Shift Forks [E]

 

Transmission Case [F]

 

GENERAL INFORMATION