Maintenance Specifications; Power Unit - Yamaha F40BMHD Service Manual

SPEC

MAINTENANCE SPECIFICATIONS

POWER UNIT

Item
CYLINDER HEADS
Warpage limit
(lines indicate straightedge
position)
CYLINDERS
Bore size
Taper limit
Out-of-round limit
ROCKER SHAFT/ARM
Rocker shaft diameter
Rocker arm inside diameter
CAMSHAFT
Intake "A"
Intake "B"
Exhaust "A"
Exhaust "B"
Camshaft journal diameter
Camshaft journal oil clearance
Runout limit
MAINTENANCE SPECIFICATIONS
Worldwide Unit
USA, Canada
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
#1 mm (in)
#2, 3, 4 mm (in)
#1 mm (in)
#2, 3, 4 mm (in)
mm (in)
F40BMHD, WHD
F40MH
65.000 - 65.015 (2.5590 - 2.5596)
15.971 - 15.991 (0.6288 - 0.6296)
16.000 - 16.018 (0.6299 - 0.6306)
30.834 - 30.934 (1.2139 - 1.2179)
25.9 - 26.1 (1.020 - 1.028)
30.834 - 30.934 (1.2139 - 1.2179)
25.9 - 26.1 (1.020 - 1.028)
36.925 - 36.945 (1.4537 - 1.4545)
36.935 - 36.955 (1.4541 - 1.4549)
0.08 - 0.1 (0.0031 - 0.0039)
0.07 - 0.09 (0.0028 - 0.0035)
2-3
Model
F40BED, F40BET
F40ER, F40TR
0.1 (0.004)
0.08 (0.003)
0.08 (0.003)
0.1 (0.0039)
E