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2003 Suzuki SV650s

Engine Configuration  90- degree V-Twin, 4-stroke
 Engine Displacement 645 cc
 Engine Cooling System  Liquid
 Compression Ratio 11.5: 1
 Combustion Chamber Design Twin Swirl
 Valves Per Cylinder  4

Intake Valves Per Cylinder
 2

 Exhaust Valves Per Cylinder
 2
 Bore x Stroke 81.0 mm x 62.6 mm
 Claimed Peak Horsepower @ rpm N.A.
 Claimed Peak Torque @ rpm N.A.
 Engine Redline 11,000 rpm
 Valve Angle (Included) 14 degrees Intake / 16 degrees Exhaust (30 degrees)
 Combustion Chamber Volume N.A.
 Valve Train Type
DOHC, Link-plate Chain/ Idler Gear Drive, Bucket Followers, Shim-under-bucket Lash Adjustment
Valve Adjustment Interval 15,000 miles
Intake Valve Diameter 31.0 mm
Exhaust Valve Diameter 25.5 mm
Intake Valve Stem Diameter 4.5 mm
Exhaust Valve Stem Diameter 4.5 mm
Intake Valve Maximum Lift 8.7 mm (6.5 mm California)
Exhaust Valve Maximum Lift 7.3 mm (6.5 mm California)
Intake Valve Timing  

  Open BTDC
33 degrees

 Close ABDC
66 degrees

  Duration
 279 degrees
 Exhaust Valve Timing  

  Open BTDC
55 degrees

  Close ABDC
66 degrees

  Duration
263 degrees
 Valve Timing Measuring Point N.A.
 Fuel Delivery System  Mikuni Fuel Injection
 Throttle Body Venturi Size 39 mm
 Air Filter Type Panel-type Non-woven Fabric element
 Exhaust System Type 2-1
 Ignition System  Digital Electronic
 Lubrication System  Wet Sump
 Oil Capacity 3.3 quarts (3.1 liters)
 Fuel Capacity 4.5 gallons (17 liters)
 Transmission Type  6-speed, Constant Mesh
 Clutch Type  Multi-plate, Wet

  Clutch Actuation System
Wire Type

  Clutch Spring Type
 Coil
Number Of Clutch Springs 6

 Number of Clutch Plates
13

  Drive Plates
7

  Driven Plates
6
 Primary Drive  Gear
Primary Drive Gear Teeth (Ratio) 71/ 34 (2.088:1)
Final Drive Sprocket Teeth (Ratio) 44/ 15 (2.933:1) [45/ 15 (3.000:1)]
Transmission Gear Teeth (Ratios)  

 6th
23/ 27 (0.851:1)

 5th
25/ 26 (0.961:1)

 4th
29/ 24 (1.125:1)

 3rd
29/ 21 (1.380:1)

 2nd
32/ 18 (1.777:1)

 1st
32/ 13 (2.461:1)
 Transmission Overall Ratios  

 6th
5.218:1 [5.337:1]

 5th
5.890:1 [6.024:1]

 4th
7.402:1 [7.570:1]

 3rd
8.459: 1 [8.651:1]

 2nd
10.890:1 [11.137]

 1st
15.078:1 [15.421:1]