Suzuki GW250 Service Manual page 25

• Remove the generator cover plug 6 and valve timing inspec-
tion plug 7.
• Turn the crankshaft counterclockwise to set the #2 (Right) cyl-
inder at TDC of compression stroke. (Align the "| R" line A on
the generator rotor to the mark B of valve timing inspection
hole and also bring the notch C on the left end of camshaft to
the position as shown.)
• To inspect the #2 (Right) cylinder valve clearance, use a
thickness gauge between the valve stem end and adjusting
screw. If the clearance is out of specification, adjust it into the
specified range.
 Valve clearance adjuster lock-nut:
 09900-20803: Thickness gauge
09917-14910: Tappet adjust driver
D Intake side
10 N·m (1.0 kgf-m, 7.0 Ibf-ft)
PERIODIC MAINTENANCE 2-9