1990 Johnson Evinrude "ES" 40 thru 55, P/N 507872, Page 274Get this manual
10Lift shift and throttle plate from housing Use ill caution when removing mounting plate, shift and
throttle plate as detent spring is highly compressed and may fly out, causing personal injuryWear safety glasses1131 11 Remove detent roller spnng
detent shoe
and detent