MASSEY FERGUSON MF 14 - PART 1-SPECIFICATIONS

MASSEY-
FERG USON
GROUP
O
- SECTION
V -
PART
1
PART I-SPECIFICATIONS
Engine
Type
MF 10 MF 12
Gasoline,
4-cycle
L-head,
horizontal
crankshaft,
single cylinder
Cylinder
Bore
3.312-3.313
3.500-3.501
Piston
Stroke
2.750
2.875
Total Displacement
23.7 0 27.66
Timing Dimension
T. D.
C.
T.
D.
C.
Point
Gap
.020
.020
Spark Plug
Gap
.028-.033 .028-.033
Valve Clearance
.010
.010
Valve Seat
Angle
460
460
Valve Seat Width
.042-.052
.042-.052
Valve Face Angle
450
450
Valve
Spring
Compressed
Tension
(@
1.55"
Length)
23
lbs.
(+2.5)
23
lbs.
(!2.5)
Valve Guides
Std.
Diameter
.312-.313
.312-.313
Valve Guides Over-Size Dimension
.343-.344
.343-.344
Dia.
of Crankshaft
Conn. Rod Journal 1.3750-1.3755
1..3?50-1.3755
Maximum
Conn.
Rod Dia. Crank Bearing
1.
3? 65
1.
3765
Sha-ft
Seal Dia. for
Roller
Bearings 1.1865-1.1870
1.1865-1.18?0
Crankshaft
End
Play
.002-.003
.002-.003
Piston
Diameter
3.304-3.305
3.488-3.489
Piston
Pin Diameter
.6873-.6875
.6873-.6875
Width
of
Compression
Ring
Groove
.095-.096
.095-.096
Width
of
OiI Ring
Groove
.1BB-.190
.1BB-.189
Ring
End Gap
.
010-.
020
.010-.020
Top
Piston Land
Clearance
.0305-.0335
.032-.035
Camshaft
Bearing Diameter
.6235-.6240
.6235-.6240
Cam Lobe
Dia.
Nose to
Heel
1
. 3045
-1.
3085 1
.
3045
-1. 3085
Magneto Air
Gap
.006-.010
.006-.010
Printci in
U.S,A,