11538M Mariner MOUNT, UPPER SIDE


11538M MOUNT, UPPER SIDE Mariner 7008204, 7008208, 7008226 MOUNT
11538M MOUNT, UPPER SIDE Mariner
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$9.53
 

07-06-2022

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Mercury Marine/Mercruiser New OEM MOUNT 11538M
Sold each || Please verify your own fitment before purchase || SKU# 11538M
Number on catalog scheme: 28
 

Compatible models:

Mariner entire parts catalog list:

7008204 1984,1985,1986
7008208 1978
7008226 1986

Information:


Illustration 1 g01441013
(1) Exhaust valve (2) Intake valveNote: The inlet valve and exhaust valve stems must be coated with engine oil prior to installation in the cylinder head.Note: The tips of the inlet valves and exhaust valves must be coated with 8T-2998 Lubricant . The lubricant must be applied after assembly of the retainer. (3) 137-6718 Spring Quantity ... 6 Length under test force ... 80.27 mm (3.160 inch) Test force ... 662 33 N (149 7 lb) Approximate free length after test ... 92.08 mm (3.625 inch) Outside diameter ... 28.82 mm (1.135 inch) (4) 140-6188 Spring Quantity ... 12 Length under test force ... 60.4 mm (2.38 inch) Test force ... 302.5 18 N (68 4 lb) Approximate free length after test ... 67.5 mm (2.66 inch) Outside diameter ... 28.6 mm (1.13 inch) (A) Dimension for the valve guides Height to the top of inlet valve guide ... 23.0 0.5 mm (0.91 0.02 inch) Height to the top of exhaust valve guide ... 17.8 0.5 mm (0.70 0.02 inch) Outside diameter of inlet valve guide ... 13.030 0.008 mm (0.5130 0.0003 inch) Bore in the inlet valve guide after installation ... 8.072 0.013 mm (0.3178 0.0005 inch) Outside diameter of exhaust valve guide ... 16.000 0.008 mm (0.6299 0.0003 inch) Bore in the exhaust valve guide after installation ... 10.29 0.08 mm (0.405 0.003 inch)Note: Install the valve guide from the spring side of the cylinder head.Note: Assemble the valve guide. Seat the seal against the top of the valve guide. (B) Diameter of the valve stem Inlet valve ... 8.000 0.008 mm (0.3150 0.0003 inch) Exhaust valve ... 9.441 0.010 mm (0.3717 0.0004 inch) (C) Diameter of the valve head Inlet valve ... 40.00 0.13 mm (1.575 0.005 inch) Exhaust valve ... 43.00 0.13 mm (1.693 0.005 inch) (D) Angle of the valve faces Inlet valve ... 60.25 0.25 degrees Exhaust valve ... 45.00 0.25 degrees
Illustration 2 g01441044
(E) Depth of the bore in the head for the valve seat insert Inlet valve ... 9.00 0.05 mm (0.354 0.002 inch) Exhaust valve ... 10.00 0.05 mm (0.394 0.002 inch)Note: The valve seat insert must be shrunk by reduced temperature before the valve seat insert is installed in the head. (F) Angle of the valve seat inserts Inlet valve ... 30.25 0.25 degrees Exhaust valve ... 45.5 0.25 degrees (G) Outside diameter of the seating face of the valve seat insert Inlet valve ... 37.351 mm (1.4705 inch) Exhaust valve ... 40.800 mm (1.6063 inch) (H) Dimension for the valve seat inserts Diameter of inlet valve insert ... 42.000 0.013 mm (1.6535 0.0005 inch) Diameter of the bore in cylinder head for the inlet valve insert ... 41.931 0.013 mm (1.6508 0.0005 inch) Diameter of exhaust valve insert ... 46.000 0.013 mm (1.8110 0.0005 inch) Diameter of the bore in cylinder head for the exhaust valve insert ... 45.931 0.013 mm (1.8083 0.0005 inch)Note: Do not reuse the valve seat inserts if the outside diameter of the valve seat insert is larger than the specified value.


Parts mount Mariner:

11539M
MOUNT, UPPER FRONT
11539M MOUNT, UPPER FRONT
7008204, 7008208, 7008226
11547M
 
11547M MOUNT, LOWER SIDE
7008204, 7008208, 7008226
11548M
 
11548M MOUNT, LOWER SIDE
7008204, 7008208, 7008226
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