Suzuki DR650SE - Valve Clearance Adjustment

2·3 PERIODIC MAINTENANCE
MAINTENANCE AND TUNE-UP PROCEDURES
This section describes the servicing procedures for each item
of the Periodic Maintenance requirements.
VALVE CLEARANCE
Inspect Initially at 1 000 km (600 miles, 2 months) and
Every 12 000 km (7 500 miles, 24 months) thereafter.
The valve clearance specification is different for intake and
exhaust valves.
Valve clearance adjustment must be checked and adjust-
ed, 1) at the time of periodic inspection, 2) when the valve
mechanism is serviced, and 3) when the camshaft is dis-
turbed by removing it for servicing.
Valve clearance (when cold):
IN.: 0.08-0.13 mm (0.003-0.005 in)
EX.: 0.17 -0.22 mm (0.007 -0.009 in)
NOTE:
Valve clearance is to be checked when the engine is cold.
Both intake and exhaust valves must be checked and ad-
justed when the piston is at Top-Dead-Center (TDC) on
the compression stroke.
• Remove the frame covers, seat and fuel tank.
• Remove the spark plug and valve inspection caps, intake
and exhaust.
• Remove the valve timing inspection plug and magneto
cover cap.
• Turn the crankshaft counterclockwise with the box
wrench to set the piston at T.D.C. on the compression
stroke. (Turn the crankshaft until the "T" line CD on the
magneto rotor is aligned with the center of hole on the
magneto cover.)
• Insert the thickness gauge into the clearance between the
valve stem end and the adjusting screw on the rocker arm.
lim 09900-20803: Thickness gauge
09917 -14910: Valve clearance adjusting driver
• If clearance is out of the specification, bring it into the
specified range.
• Securely tighten the lock nut after adjustment is com-
pleted.
I A CAUTION I
Both right and left valve clearances, should be as closely
set as possible.
• Reinstall the spark plug, valve inspection caps, valve tim-
ing inspection plug and magneto cover cap.