cd-13a compression

This topic has 7 replies, 6 voices, and was last updated 10 years, 9 months ago by joshadurham.

Viewing 8 posts - 1 through 8 (of 8 total)

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May 23, 2015 at 5:21 pm #1583
joshadurham
Participant
Im getting 90 psi on both cylinders on my 56 johnson 5.5hp. I know its good that they are matched, but where in an old outboards lifespan is 90psi?
May 23, 2015 at 5:30 pm #16716
frankr
Participant
Just a kid in the lifespan
May 23, 2015 at 5:31 pm #16717
chris-p
Participant
90 on a CD is great in my opinion!
May 23, 2015 at 6:09 pm #16720
joshadurham
Participant
good news!
May 23, 2015 at 6:12 pm #16721
aquasonic
Participant
Let me know if you want to trade!

Improvise-Adapt-Overcome
May 23, 2015 at 7:44 pm #16728
1946zephyr
Participant
Go fishin’ brother. Have fun with that little gem. 🙂
May 23, 2015 at 9:02 pm #16733
Doug Wilson
Participant
US Member
90 is great should be fine for a long time. I have one that still starts on the first pull and does good at 65

Doug

how is it motors multiply when the garage lights get
turned off?
May 25, 2015 at 12:15 am #16803
joshadurham
Participant
How about for a 51 Johnson 25hp RD-11? I’m going to look at it tomorrow and will be doing a compression check. What is a good range?
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