1969 Evinrude 40 HP Big Twin, Big Twin Electric Lark Service Manual 4596, Page 8Get this manual
Model Numbers
40902 (Big Twinstandard length) 40903 (Big Twin5" longe r) 40952 (Big Twin Ele ctricstandard ength) 40953 (Bi Twin El ectri 5" longer) 40972 (Lark; standard length) 40973 (Lark; 5" longe r) 40 hp at 4500 rpm
Propeller g'ear ratio Propeller driv pin Propeller Alternate prop elle Speed control
12.21 Part No30457511-15 32" stainless steel 10-12" diameter 12" pitch,blade 10-38" 11-1 2" pitch 10-3 8" 13-14" pitch 10-3 8" 14" pitch Big TwinRope Only Knob on steering brack et or remote control Big Twin Electric and La rk Re mote control Synchronized throttle and spark Forward, neutral, evers LarkSelectric push button remote control Model 40902132 lbsMode 40903138 lbsMod el 40952143 lbsModel 40953149 lbsModel 40972154 lbsModel 40973159 lbs (Fu el tank weight 11 lbsnet) gallons, suction type tank Big TwinSimplex selfrewinding Big Twin Electric and LarkElectric 120 amp res maximum Flywheel magneto AC-M42K, Champion J4J, Auto-Lite A21X14mm .030 inch 17-1- 20-1foot-pounds .020 inch Part No 580422 .25.29 mfd