Suzuki DF 40, Service Manual

Page: 169 / 405

POWER UNIT 6-26
Manifold seating faces distortion
Using a straightedge and thickness gauge, check cylinder head
to manifold seating faces.
Manifold seating faces distortion
Service limit : 0.10 mm (0.004 in.)
If measurement exceeds service limit, resurface or replace cyl-
inder head.
Water jackets
Check water jackets. If clogged or obstructed, clean water jack-
ets.
CAMSHAFT
Cam face
Inspect cam face for scratches and wear.
Cam wear
Using micrometer, measure cam height
H
.
09900-20202 : Micrometer
Cam height
Standard:
DF40 IN 37.530 – 37.690 mm (1.4776 – 1.4839 in.)
EX 37.740 – 37.900 mm (1.4858 – 1.4921 in.)
DF50 IN 38.230 – 38.390 mm (1.5051 – 1.5114 in.)
EX 37.740 – 37.900 mm (1.4858 – 1.4921 in.)
Service limit
DF40 IN 37.430 mm (1.4736 in.)
EX 37.640 mm (1.4819 in.)
DF50 IN 38.130 mm (1.5012 in.)
EX 37.640 mm (1.4819 in.)
If measurement exceeds service limit, replace camshaft.
H
z
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