I have read alot about how many RMP's your OB should be doing at idle and at top speed...so on and so forth. My question is, how can you tell??<br />I have a 1971 Johnson 50 (50ESL71S) and I don't have a rev counter or anything. Is it possible to fit one? Where would I get such a thing? Also...
Can anyone tell me what grade of gas I should be using for my 1971 Johnson 50. I know that the oil mixture is 50:1 but it just struck me that I do not know the fuel grade to use. I fired the engine up for the first time in 4 years the other day, after replacing the plugs, impeller cleaning the...
Well firstly let me say thank you again to all the help you guys gave me previously and I now have a running engine. I do however have a couple of other issues that I hope you can help me with. I have a 1977 Johnson 50 Model No. 50ESL71S S/N E3468275, which has electronic shift. The trottle...
Hi everyone,<br /><br />I have just aquired a 1977 Crestliner / AMF Muskie 550 with a 1977 Johnson 50hp O/B. I have a lot of work to do on the boat but mainly cosmetic thankfully. I have not attempted to fire up the motor yet but she looks in great shape. It has never been used in salt water and...
