Engine
4-3
1. Make sure the components, oils,
adhesives, and sealants are from
the motor company or
recommended by the motor
company.
2. Always replace oil seals, gaskets,
O-rings, and piston rings when
disassembled.
3. Protect parts when removed, clean
and lubricate.
4. Keep disassembled parts orderly to
assist in the rebuild process.
5. When tightening nuts and bolts,
unless otherwise noted tighten the
largest diameter bolts first, inside to
outside in a cross pattern in multiple
steps. Then work down to next
largest diameter bolt.
6. When removing nuts and bolts take
out the smallest diameter bolts first
and work in reverse of the
tightening method used in step 5.
7. Always replace bolts with sealant
applied to them.
8. Always assemble bearings so that
the manufacturer’s logo or number
is facing outward.
9. Pay attention to oil seals that they
are installed correctly, without
damage.
10. Clean all gasket surfaces before
reassembly.
11. Pay attention to oil holes and the
lubrication system when
assembling.
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