0284857 JOHNSON ENGINE COVER ASSY.


0284857 ENGINE COVER ASSY. JOHNSON BJ150ELEDB, BJ175EXEDB, J150ELEOM, J175EXEOM ENGINE
0284857 ENGINE COVER ASSY. JOHNSON
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Buy ENGINE COVER ASSY. 0284857 JOHNSON genuine, new aftermarket parts with delivery
Number on catalog scheme: 1
 

Compatible models:

BRP JOHNSON entire parts catalog list:

BJ150ELEDB, BJ150EXEDB, BJ150GLEDB, BJ150NXEDB, J150ELEDB, J150EXEDB, J150GLEDB, J150JLEDB, J150NXEDB, J150SLEDB, SJ150ELEDB 1996
BJ175EXEDB, BJ175GLEDB, BJ175NXEDB, J175EXEDB, J175GLEDB, J175NXEDB, J175SLEDB 1996
J150ELEOM, J150EXEOM, J150GLEOM, J150JLEOM, J150NXEOM, J150SLEOM, VJ150HLEOS 1995
J175EXEOM, J175GLEOM, J175NXEOM, J175SLEOM 1995

Information:


Illustration 1 g00295326
Inlet valves and exhaust valves
Double valve springs: (1) Outer spring Length under test force ... 35.8 mm (1.41 inch)Test force ... 176 to 195 N (40 to 44 lb) (2) Inner spring Length under test force ... 34.0 mm (1.34 inch)Test force ... 89 to 104 N (20 to 23 lb)Single valve springs (not shown) Length under test force ... 40.0 mm (1.57 inch)Test force ... 310 to 344 N (70 to 77 lb)Free length after test ... 53.4 mm (2.10 inch) (3) Valve spring recess for the valve spring (4) Valve guides for the inlet and exhaust valves Inside diameter ... 9.51 to 9.56 mm (0.374 to 0.376 inch)Outside diameter ... 15.900 to 15.910 mm (0.6260 to 0.6265 inch)Bore diameter in cylinder head for valve guide ... 15.87 to 15.89 mm (0.625 to 0.626 inch)Interference fit of valve guide in cylinder head ... 0.03 to 0.07 mm (0.001 to 0.003 inch)Overall length of valve guide Inlet ... 57.94 mm (2.281 inch)Exhaust ... 61.1 mm (2.406 inch)Projection of valve guide above valve spring recess (3) ... 15.1 mm (0.595 inch)Note: When new valve guides are installed, new valves and new valve seat inserts must be installed. The valve guides and the valve seat inserts are supplied as partially finished parts. The unfinished valve guides and unfinished valve seat inserts are installed in the cylinder head. Then, the guides and inserts are cut and reamed in one operation with special tooling. This procedure ensures the concentricity of the valve seat to the valve guide in order to create a seal that is tight. Refer to


Parts engine JOHNSON:

0284440
 
0284440 ENGINE COVER ASSY.
BJ150ELECD, BJ150ELEDB, BJ150ELEUC, BJ175EXECD, BJ175EXEDB, BJ175EXEUC, J150ELARA, J150ELATG, J150ELEOM, J175EXARC, J175EXATG, J175EXEOM
0436595
 
0436595 ENGINE COVER ASSY.
BJ150ELEDB, BJ175EXEDB, J150ELARA, J150ELEOM, J175EXARC, J175EXEOM
0436913
 
0436913 ENGINE COVER ASSY.
BJ150ELEDB, BJ175EXEDB, J150ELARA, J150ELEOM, J150WTLEOR, J175EXARC, J175EXEOM
0284752
 
0284752 ENGINE COVER ASSY.
BJ150ELEDB, BJ150ELEUC, BJ175EXEDB, BJ175EXEUC, J150ELEOM, J175EXEOM
0284727
 
0284727 ENGINE COVER ASSY.
BJ150ELEDB, BJ150ELEUC, BJ175EXEDB, BJ175EXEUC, J150ELEOM, J175EXEOM
0284856
 
0284856 ENGINE COVER ASSY.
BJ150ELECD, BJ150ELEDB, BJ150ELEUC, BJ175EXECD, BJ175EXEDB, BJ175EXEUC, J150ELEOM, J175EXEOM
0437833
 
0437833 ENGINE COVER ASSY.
BJ150ELECD, BJ150ELEDB, BJ150ELEUC, BJ175EXECD, BJ175EXEDB, BJ175EXEUC, J150ELEOM, J175EXEOM
0437832
 
0437832 ENGINE COVER ASSY.
BJ150ELEDB, BJ175EXEDB, J150ELEOM, J175EXEOM
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