'63 5.5 Hp Evinrude- Getting too much gas and wont run

[skinnykid69]

I just bought a 5.5 hp Evinrude from 1963 and it had spark in only one cyl., so i changed points and condensers in it. Once i got sark i was hoping it would run, but now it only runs for about 15 seconds and then it stalls itself out. If I take the plugs out they are soaked. I understand that Im getting too muc gas, but i cant figure out where the problem is. The carbeurator lloks OK and the needle valves are both at 1.5 turns. I dont know where to go on this one......Any ideas woud be great

 

[norman158]

Re: '63 5.5 Hp Evinrude- Getting too much gas and wont run

sounds like a stuck float in the carb to me

 

[skinnykid69]

Re: '63 5.5 Hp Evinrude- Getting too much gas and wont run

The float seems OK, but I'll check it out once more....Any other thoughts anyone???

 

[12Footer]

Re: '63 5.5 Hp Evinrude- Getting too much gas and wont run

Squeeze the primer bulb, and observe the carb.Look for gas running out of the carb.<br /><br />Carbon can plug the exaust port,and it'll do this also (wet plugs, hot fire,no go).<br />If the engine cannot breathe, the engine will start briefly, then stall,because it cannot expell the last cycle.<br />I have to do this to my baby merc and my weedeaters yearly. It plugs the mufflers on the weedeaters,and that is all she wrote.<br />On a weedeater, you only have to pull the muffler to test this theory,but on most OBs, it aint that simple. But trust me on this one.

 

[skinnykid69]

Re: '63 5.5 Hp Evinrude- Getting too much gas and wont run

I'm getting lotsa blue smoke when i do get the thing to run. So I dont think that can be it, but maybe I'm wrong. Let me know if I am.

 

[Bear]

Re: '63 5.5 Hp Evinrude- Getting too much gas and wont run

How about the float needle or float level?<br />Is the main jet too big due to cleaning with a too hard object?<br />/Bear

 

[mastercraft]

Re: '63 5.5 Hp Evinrude- Getting too much gas and wont run

I have the same exact problem. how would you clean the exaust?

 

[Chinewalker]

Re: '63 5.5 Hp Evinrude- Getting too much gas and wont run

Before we get too crazy here - answer me these...<br /><br />Compression readings for both cylinders?<br /><br />Good spark in both cylinders? <br /><br />Carburetor has been COMPLETELY disassembled, cleaned and reassembled with a new carb kit? <br /><br />Float level has been set as per the book (flat and level with carb body when carb is inverted.)?<br /><br />Fuel pump is pumping fuel? (Test by removing fuel line at the carb and routing it into a coffee can. Pull motor over and note whether it's pumping fuel into the can.)<br /><br />Using proper spark plugs (Champion J4C for general use, possibly J6C if using primarily for trolling)?<br /><br />Fuel + spark + compression = running motor, so let's eliminate the obvious before moving to anything to obscure just yet...<br /><br />- Scott