Direction of Engine Rotation 


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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

 



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