1977 evinrude 70 hp need some info please!!!

[garyq]

MY evinrude 70 hp 3 carbs problem is middle carb doesn,t suck air as much as 1 and 3
If U put your hand on 1 and 3 carbs want to suck your hand in but 2 carb hardly pulls on your hand .I was doing this to see if all three carbs were working right .I was told maybe a bad reed or bad coil plus I have 128 psi on all pistons and just had the carbs rebuilt because 2 and 3 had flout bowels sticking .I have good spark too I took links off and I could rev all 3 pistons any help here would be great..

 

[Monte1961]

Re: 1977 evinrude 70 hp need some info please!!!

fog the carb with fuel/oil mix and see if it runs any better. If it idles about 800 to 850 rpms in the water (NOT ON MUFFS) and it's smooth from idle to wot, I don't think i would mess with it to much. One thing you can also do is, pull spark-plugs out after running for 15 minutes and look to see if they all look the same. You will see if theres a problem or not. Post backwith results!

 

[garyq]

Re: 1977 evinrude 70 hp need some info please!!!

yes I did check plugs after water test and #2 plug looks clean but 1 and 3 look just right coffee colour sprayed carb cleaner in 2 and it just took it but 1 and 3 wanted to die out when carb spray was added I,m worried I will hurt # 2 piston but it is getting gas because when I put my hand over it i have gas on my hand

 

[Monte1961]

Re: 1977 evinrude 70 hp need some info please!!!

Have you done a link and sync yet? I would try that first and see if middle or top and bottom are out of sync? Post back results.

 

[garyq]

Re: 1977 evinrude 70 hp need some info please!!!

I don,t have manuel yet could U help by telling me how to do ? that would help no cash to buy yet!!

 

[Monte1961]

Re: 1977 evinrude 70 hp need some info please!!!

At the begining of this forum, look in the top secret files. Post back