Honda BF135A Manual page 388

• CAMSHAFT AXIAL CLEARANCE
1) Install the rocker shaft holder, camshaft and the camshaft
holder, and tighten the bolts to the specified torque (P. 10-
35).
2) Put the camshaft at the top dead center of the compression
stroke of the No.1 piston (with the dowel pin at your side).
Install the dial indicator.
3) Check the camshaft axial play by pushing and pulling the
camshaft of the opposite side from the indicator.
STANDARD
0.05 – 0.20 mm
(0.002 – 0.008 in)
4) If the measurement exceeds the service limit, replace the
camshaft holder, rocker shaft holder and the cylinder head
as a set, and recheck.
If the measurement still exceeds the service limit, replace
the camshaft.
• CAMSHAFT RUNOUT
1) Place the V blocks or equivalent under the journal at both
ends of the camshaft
2) Install the dial indicator and measure the camshaft runout
by turning the camshaft.
STANDARD
0.03 mm (0.001 in) Max.
3) Replace the camshaft if the measurement exceeds the
service limit.
• ROCKER SHAFT O.D.
16.983 – 16.994 mm
IN/EX
(0.6686 – 0.6690 in)
NOTICE
Measure the rocker shaft O.D. at the sliding part of the rocker
arm.
10-15
SERVICE LIMIT
0.4 mm
(0.02 in)
SERVICE LIMIT
0.4 mm (0.02 in)
STANDARD SERVICE LIMIT
[1]
Dowel pin is at your side.