Item
CYLINDER HEAD/CAMSHAFT
Cylinder head distortion
Manifold seating faces
distortion
Cam height
Camshaft journal oil
clearance
Camshaft journal
Top,
(housing) inside
2nd,
diameter
3rd,
Camshaft journal
Top,
outside diameter
2nd,
3rd,
Camshaft runout
Cylinder head bore to tappet
clearance
Tappet outer diameter
Cylinder head bore
* On DF40 designated for EU market (E01), specifications of cam height are the same as the
specifications for DF50.
Unit
Limit
mm (in)
Limit
mm (in)
STD
mm (in)
IN
Limit
mm (in)
STD
mm (in)
EX
Limit
mm (in)
STD
mm (in)
Limit
mm (in)
STD
mm (in)
Limit
mm (in)
4th
STD
mm (in)
Limit
mm (in)
4th
Limit
mm (in)
STD
mm (in)
Limit
mm (in)
STD
mm (in)
STD
mm (in)
Data
DF40
0.05 (0.002)
0.10 (0.004)
*37.530 – 37.690
(1.4776 – 1.4839)
*37.430 (1.4736)
37.740 – 37.900
(1.4858 – 1.4921)
37.640 (1.4819)
0.045 – 0.087 (0.0018 – 0.0034)
0.120 (0.0047)
23.000 – 23.021 (0.9055 – 0.9063)
23.171 (0.9122)
22.934 – 22.955 (0.9029 – 0.9037)
22.784 (0.8970)
0.10 (0.004)
0.025 – 0.062 (0.0010 – 0.0024)
0.150 (0.0059)
26.959 – 26.975 (1.0614 – 1.0620)
27.000 – 27.021 (1.0630 – 1.0638)
DF40/50 "K7" ('07) MODEL
DF50
38.230 – 38.390
(1.5051 – 1.5114)
38.130 (1.5012)
37.740 – 37.900
(1.4858 – 1.4921)
37.640 (1.4819)
7