Valve Clearance - Suzuki DL650 Service Manual

2-8 PERIODIC MAI N TENANCE
SPARK PLUG AND PLUG CAP INSTALLATION
I
CAUTION
I
Before using a spark plug wrench, carefully turn the
spark plug by finger into the threads of the cylinder
head to prevent damage the aluminum threads.
Install the spark plugs to the cylinder heads by finger tight,
and then tighten them to the specified torque.
Spark plug: 11 N-m (1.1 kgf-m, 8.0 Ib-ft)
NOTE:
When fitting the spark plug caps, front and rear, face the triangle
mark
@
on the water-proof cover to each cylinder exhaust side.
VALVE CLEARANCE
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Inspect every 24 000
krn
(15 000 miles, 48 months).
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Remove the seat. (-7-4)
Lift and support the fuel tank.
(-5-7)
Remove the spark plugs.
(-2-6)
Remove the cylinder head covers.
The valve clearance specification is
exhaust valves.
different for intake and
Valve clearance must be checked and adjusted, 1) at the time of
periodic inspection, 2) when the valve mechanism is serviced,
and 3) when the camshafts are disturbed by removing them for
servicing.
Valve clearance (when cold)
IN. : 0.10
-
0.20 mm (0.004
-
0.008 in)
EX. : 0.20
-
0.30 mm (0.008
-
0.012 in)
NOTE:
*
The valve clearance should be taken when each cylinder is at
Top Dead Center (TDC) of compression stroke.
*
The cams (IN & EX) on the front cylinder at position
@
show
the front cylinder at TDC of compression stroke.
*
The cams (IN & EX) on the rear cylinder at position @$ show
the rear cylinder at TLIC of compression stroke.
*
The clearance specification is for COLD state.
*
To turn the crankshaft for clearance checking, be sure to use a
17-mm wrench, and rotate in the normal running direction. All
spark plugs should be removed.