Rocker–Arm Shaft And Rocker Arms; Valve Guides - Suzuki F6A Service Manual

Measuring Surface of Intake Manifold Seating Face
Measuring surface of Exhaust Manifold Seating Face
Rocker–Arm Shaft and Rocker Arms
S
Shaft–to–arm clearance (IN & EX):
micrometer and a bore gauge, measure rocker
shaft dia. and rocker arm I.D..
S
The difference between two readings is the arm–
to–shaft clearance on which limit is specified. if
the limit is exceeded, replace shaft or arm, or
both.
Item
Arm–to 0.005 – 0.040 mm
shaft shaft (0.0002 0.0016 in.) (0.0024 (0.0002–0.0016 in.)
Intake & Intake &
clear-
Exhaust
ance
64
Using a
Standard Limit
0.06 mm
(0.0024
in.)
S
Wear of rocker–arm and adjusting screw: If the
tip (1) of adjusting screw is badly worn, replace
screw. Arm; must be replaced if its cam–riding
face (3) is badly worn.
S
Visually examine each rocker–arm wave washer
for evidence of breakage or weakening. Be sure
to replace washers found in bad condition.

Valve Guides

Using a micrometer and bore gauge, take diameter read-
ings on valve stems and guides to determine stem clear-
ance in guide. Be sure to take a reading at more than one
place along the length of each stem and guide.
Item
Valve Int 4.965–4.980 mm
stem (0.1955–0.1960 in.)
diameter di t
Exh 4.950–4.965 mm
(0.1949–0.1954 in.)
Valve Int 5.000–5.012 mm
g guide I.D. (0.1969–0.1973 in.)
Exh 5.000–5.012 mm
(0.1969–0.1973 in.)
Standard Limit
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