Here are the photos of the 1968 Evinrude 3hp high speed nozzle on the left and the 1970’s Johnson 4hp high speed nozzle on the right.
High Speed Nozzle
1968 Evinrude 3hp high speed nozzle
– length of high speed nozzle – 1.4435 inches
– ID of high speed nozzle – 0.073 inches
– OD of high speed nozzle – 0.133 inches
1970’s Johnson 4hp high speed nozzles
– length of high speed nozzle – 1.445 inches
– ID of high speed nozzle – 0.083 inches
– OD of high speed nozzle – 0.134 inches
