Suzuki GSF650S User Manual

3-40 ENGINE
) 09900-20508: Cylinder gauge set
( Cylinder bore
Standard: 65.500 – 65.515 mm
Service Limit: 65.615 mm
PISTON DIAMETER
Measure the piston diameter using the micrometer at 15 mm
from the skirt end.
If the piston diameter is less than the service limit, replace the
piston.
) 09900-20203: Micrometer (50 – 75 mm)
( Piston diameter
Service Limit: 65.38 mm
PISTON-TO-CYLINDER CLEARANCE
Subtract the piston diameter from the cylinder bore diameter. If
the piston-to-cylinder clearance exceeds the service limit,
replace both the cylinder and piston.
( Piston-to-cylinder clearance
Service Limit: 0.12 mm
PISTON-RING-TO-GROOVE CLEARANCE
Measure the side clearances of the 1st and 2nd piston rings
using the thickness gauge. If any of the clearances exceed the
limit, replace both the piston and piston rings.
) 09900-20803: Thickness gauge
09900-20205: Micrometer (0 – 25 mm)
( Piston-ring-to-groove clearance
Service Limit: (1st) : 0.18 mm
(2nd) : 0.15 mm
15 mm

Suzuki GSF650S Specifications

General

Engine Type	4-stroke, 4-cylinder, liquid-cooled, DOHC
Bore x Stroke	65.5 mm x 48.7 mm
Compression Ratio	11.5:1
Fuel System	Fuel injection
Ignition	Electronic ignition (transistorized)
Transmission	6-speed constant mesh
Final Drive	Chain
Front Suspension	Telescopic, coil spring, oil damped
Rear Suspension	Link type, coil spring, oil damped
Displacement	656 cm³
Front Brakes	Disc
Rear Brakes	Disc
Front Tire	120/70ZR17
Rear Tire	160/60ZR17
Fuel Tank Capacity	19 liters
Seat Height	790 mm