Suzuki F6A Service Manual page 73

Item
Top 0.03–0.07 mm
Ring Ring (0.0012–0.0027 in.)
clearance in clearance in
2nd 0.02–0.06 mm
the groove
Ring (0.0008–0.0023 in.)
S
Piston ring end gap:
To measure the end gap, insert the piston ring
into the cylinder bore, locating it at the lowest
part of the bore and holding it true and square;
then use a thickness gauge to measure the gap.
If the gap measured exceeds the limit replace
the ring.
Item
Top
Ring (0.0047–0.0106 in.)
2nd
Piston ring
Ring (0.0047–0.0106 in.)
end gap
Oil
Ring (0.0079–0.0275 in.)
Standard Limit
0.12 mm
(0.0047 in.)
0.10 mm
(0.0039 in.)
Standard Limit
0.12–0.27 mm 0.7 mm
(0.0275 in.)
0.12–0.27 mm 0.7 mm
(0.0275 in.)
0.20–0.70 mm 1.8 mm
(0.0708 in.)
Connecting Rods
S
Big–end thrust clearance:
Check the big end of each connecting rod for
thrust clearance, with the rod fitted and con-
nected to its crank pin in the normal manner. If
the clearance measured is found to exceed the
limit, the connecting rod or the crankshaft,
whichever is responsible for the excessive clear-
ance, must be replaced.
Item
Big–end thrust 0.010–0.31 mm
clearance (0.0039–0.0122 in.)
S
Connecting rod alignment:
Mount connecting rod on aligner to check it for
bow or twist. If either limit is exceeded, replace
it.
Limit on bow
Limit on twist
S
Inspect small end of each connecting rod for
wear and evidence of cracks or any other dam-
age, paying particular attention to the condition
of its bush. Check piston pin clearance in small
end. Replace connecting rod if its small end is
badly worn or damaged or if the clearance check
exceeds the limit.
Item
Pin clearance 0.003–0.016 mm
in small end (0.0001–0.0006 in.)
Small–end I.D.
Piston pin dia.
Standard Limit
0.35 mm
(0.0178 in.)
0.05 mm (0.0020 in.)
0.10 mm (0.0039 in.)
Standard Limit
0.05mm
(0.0020 in.)
16.006–16.014 mm
(0.6401–0.6406 in.)
15.995–16.005 mm
(0.6297–0.6402 in.)
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