Taper Pin Tool; Compression Testing; Powerhead - Evinrude E-TEC 200 Service Manual

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TAPER PIN TOOL

Start and run outboard until it achieves operating

temperature, then shut OFF.

Disconnect crankshaft position sensor (CPS) con-

nector. Remove all spark plugs.

Advance throttle linkage to WOT.

Install compression tester's hose attachment into

spark plug hole (14 mm threads).

While cranking outboard with starter, note maxi-

mum pressure reading on gauge. Repeat proce-

dure for each cylinder.

– Hole for Storage

Scale: FULL SIZE

If engine shows a variation greater than 15 psi

(100 kPa) between cylinders, check for:

damaged cylinder head

damaged pistons

broken or stuck piston rings

scored cylinder walls

Return throttle to idle position and reconnect CPS

connector. Replace spark plugs. Refer to Spark

Plug Indexing on p. 40.

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E-tec 225 E-tec 250 E-tec 300