Johnson Outboard Compression Chart

Johnson Outboard Compression Chart – 40 hp thru 70 hp. 175 hp thru 300 hp. 70 hp johnson compression test. Compression is about 125 psi on each.

How To Test Compression On A Small Outboard

Johnson Outboard Compression Chart

Higher horse power motors will require higher compression. To sort chart by column (year, model, etc) click on the desired column heading. As far as i have ever known.

60 Psi Is Ok On Low Hp Omc.

Here's why and how it's done. Compression is somewhat okay, a bit low but its an old engine and who knows if its been taken care of or beaten on. Evinrude/johnson outboard application charts 9.5‐14 horsepower ‐ evinrude/johnson 9.5 hp 1964‐73 10 hp 1958‐63 10‐14 hp commercial 1982‐94 pin.

We’ll Show You How To Remove The Cowl And The Spark Plug And Then Use A Compression Test Kit To Evaluate One Aspect Of Your Motor’s Health.

We did our compression test on a johnson 6hp outboard motor, but the same. What is the compression for a 1974 johnson 65 hp outboard? 25hp evinrude = great compression would be > 125lb, (but run and idle ok at 100psi) but 6hp evinrude = great compression would be >85 to 90psi most of the.

After Going Through All The Key Items And Checks On Everything I Decided To Check The Compression.

I got nearly 7bar / 100psi on one, and about 5.5bar on the. A compression check can tell a lot about the health of your outboard engine. 25 hp thru 35 hp.

Proper Premix Is What Will Keep A 2 Stroke.

Your epaper is waiting for publication! You may ignore any letters before the. 75 hp thru 150 hp.

Mercs Also Have Higher Compression Than The Johnson Evinrudes Etc.

Thanks f flyingscott outstanding contributor jul 13, 2017 #2 a. I have a mid 80's 70 hp evinrude here. #1 can someone please give me a good number for compression on 1993 70hp evinrude 3 cyl.