Reply To: 49 TD20 Low-speed needle affecting high speed performance?

[John Gragg]

LLOYD LAUTNER wrote:

Two things to check.  First of all what is the compression after installing new rings?   Should be 70-77 psi to idle down properly.

Second of all be sure to clean and test the one way fuel valve that carries fuel to the low speed orifice/needle valve.  231-929-7479

I haven’t checked compression yet. I was waiting for the rings to seat in. I will check tomorrow.

Check valve is good to go. There was a ton of junk in the gas tank that I thought I had cleaned out. I had to take the carb apart and clean again.  Tank has been acid washed, it’s immaculate now. I’m going to seal the tank with Por-15 tank sealer,  then try again.

Thanks

Best Regards

John Gragg
RIverside, CA

Just starting in the hobby, please be patient.

48 Sea King 5hp GG9014A. Sold
49 Sea King 5hp GG9014A
48 Johnson TD20. Sold
49 Johnson TD20. Sold
54 Johnson QD15. Sold
55 Johnson CD12. Sold
57 Johnson RJE-19M
57 Johnson RDE-19