1995 Johnson Evinrude "EO" 9.9 thru 30, 2-Cylinder Service Manual, P/N 503146, Page 277Get this manual

1995 Johnson Evinrude "EO" 9.9 thru 30, 2-Cylinder Service Manual, P/N 503146, Page 277

Jet Drive Adjustments Impeller Clearance Adjustment If loss of performance combined with higher than normal wide-open-throttle
move the impeller down and decrease clearance Moving one shim will reduce clearance approximately 0.004 in(0,1 mm) 1 To avoid
accidental starting of engine while servicing, twist and remove all spark plug leads rn 3Remove sixthe intakeretaining the
intake housing to the jet screws housingRemove housing4Bend tab-lock washer ears and remove impeller nutRemove tab-lock washer
and discard5Remove shimsimpeller, key, and impeller sleeve from driveshaft rn 6Use flat file and remove any nicks or burrs
from edge of impeller[[] 7Transfer one or more shims from bottom to top of impellerINotel Lubricate impeller driveshaft hole,