Suzuki GSX-R750 Service Manual page 35

4) Remove the valve timing inspection cap (1).
NOTE
• The cam must be at positions, "A" or "B",
when checking or adjusting the valve
clearance. Clearance readings should not
be taken with the cam in any other position
than these two positions.
• The valve clearance should be taken when
each cylinder is at Top Dead Center (TDC)
of compression stroke.
• The clearance specification is for COLD
state.
• To turn the crankshaft for valve clearance
checking, be sure to use a wrench, and
rotate in the normal running direction.
"A"
"B"
EX
1
I837H1020007-01
"A"
"B"
IN
I823H1020007-01
Maintenance and Lubrication:
5) Turn the crankshaft to bring the line "C" on the CKP
sensor rotor to the rib "D" behind the clutch cover
and also to bring the notches "E" on the left ends of
both camshafts (EX and IN) to the positions as
shown.
"C"
FWD
6) In this condition, read the valve clearance at the
valves "F" (IN and EX of No. 4 cylinder, EX of No. 3
and IN of No. 2). If the clearance is out of
specification, adjust the clearance.
Special tool
: 09900–20803 (Thickness gauge)
FWD
"F"
0B-5
"D"
I837H1020008-01
"E"
I837H1020009-01
"F"
"F"
"F"
I837H1020010-01