Camshaft, Tappet And Shim Inspection - Suzuki DF70A Service Manual

1D-27 Power Unit Mechanical:
7) Apply engine oil lightly to housing bolts.
8) Lightly seat all housing bolts.
According to numerical order in figure, tighten bolts
to 1/3 of specified torque, then 2/3 of specified
torque and finally to full specified torque.
Tightening torque
Camshaft housing bolt (a): 11 N·m (1.1 kgf-m,
8.0 lbf-ft)
"20" "10" "2"
"17"
"9" "1"
"11" "3"
"19"
"18"
"21" "12" "4"
9) Install timing chain.
Refer to "Timing Chain, Chain Tensioner and
Camshaft Sprockets Removal and Installation"
(Page 1D-20).
10) Adjust tappet clearance.
11) Install oil pump.
Refer to "Oil Pump Removal and Installation" in
Section 1E (Page 1E-3).
(a)
"6" "14"
"5" "13"
"7" "15"
"8" "16"
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Camshaft, Tappet and Shim Inspection

NOTE
If any component is worn excessively,
cracked, defective or damaged in any way, it
must be replaced.
Cam Face
Inspect cam face for scratches and wear.
If any of the above conditions are found, replace
camshaft.
Cam Wear
Using micrometer, measure cam height.
If measurement exceeds service limit, replace camshaft.
Cam height "a" (for DF70A)
Standard
38.620 – 38.780 mm
IN
(1.5205 – 1.5268 in)
40.920 – 41.080 mm
EX
(1.6110 – 1.6173 in)
Cam height "a" (for DF80A)
Standard
39.620 – 39.780 mm
IN
(1.5598 – 1.5661 in)
40.920 – 41.080 mm
EX
(1.6110 – 1.6173 in)
Cam height "a" (for DF90A)
Standard
41.120 – 41.280 mm
IN
(1.6189 – 1.6252 in)
40.920 – 41.080 mm
EX
(1.6110 – 1.6173 in)
Z9J0111406014
Service limit
38.520 mm
(1.5165 in)
40.820 mm
(1.6071 in)
Service limit
39.520 mm
(1.5559 in)
40.820 mm
(1.6071 in)
Service limit
41.020 mm
(1.6150 in)
40.820 mm
(1.6071 in)
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