Suzuki K6A-YH6 Technical/Repair Manual page 82

REPAIR
Inspection
Valves
See Figure 7-69.
1
3
1. Clean and inspect intake (5) and exhaust (4) valves,
valve stems (3), valve stem tips (1), and retainer lock
grooves (2).
2. Using a micrometer, measure the valve stem (3) OD.
3. Using an inside micrometer, measure the ID of valve
guide.
Compare valve stem OD measurement to valve
guide ID measurement. Calculate clearance and
7
replace as needed.
Valve Guide to Valve Stem Clearance, Intake:
0.0007—0.0018 in. (0.020—0.047 mm)
Valve Guide to Valve Stem Clearance Limit, Intake:
0.002 in (0.07 mm)
Valve Guide to Valve Stem Clearance, Exhaust:
0.0017—0.0028 in. (0.045—0.072 mm)
Valve Guide to Valve Stem Clearance Limit, Exhaust:
0.003 in. (0.09 mm)
7-28
1
2
5
4
Figure 7-69
Valve Springs
See Figures 7-70 and 7-71.
Veneer Caliper
Spring Compression Gauge
Square
2
1
3
TN0506
1. Measure the free length of valve springs using a
veneer caliper (1). Compare measurement to
specification. Replace as needed.
Valve Spring Free Length: 1.35 in. (34.3 mm)
Required Tools
2
TN0558, 0559
Figure 7-70
3
4
Figure 7-71
TN0760