Here are the photos of the 1968 Evinrude 3hp high speed needle on the left and the 1970’s Johnson 4hp high speed needle on the right.
High Speed Needle
1968 Evinrude 3hp high speed needle
– Tip length of high speed needle 0.426 inches
– Length of whole needle. 2.277 inches
1970’s Johnson 4hp high speed needle
– Tip length of high speed needle. 0.431 inches
– Length of whole needle. 2.372 inches
Low Speed Needle
1968 Evinrude 3hp low speed needle
– Tip length of low speed needle 0.241 inches
– Length of whole needle. 2.585 inches
1970’s Johnson 4hp low speed needle
– Tip length of low speed needle. 0.246 inches
– Length of whole needle. 2.581 inches
