All,
I am working on a 1952 Johnson 10 hp QD-13. It will cough & spit but never start.
I think i have a timing issue maybe???
If i had a Timing Tool and used it after setting the points with a feeler gauge, will the Magneto Cam (Top/high point) and Timing Tool line up together?
I have set the points using a feeler gauge at .020. I have good blue spark on both cylinders. Should i try using a Timing Tool to reset the points? Maybe I need to buy one from Richard W.
I Have good compression 70 psi on both cylinders. Cleaned and rebuilt Magneto it was very dirty. Cam, shaft, Key, and flywheel key way were very rusty. New plugs, wires, coils, condensers. Cleaned old points and reused.
Completely rebuilt carburetor. it seems to be working as should.
My two line pressure tank is also working as should. It holds 3 psi of pressure all the way to fitting for motor.
Thanks, Kent
Alright, lets get this started.
Using a feelers gage, is not an exact science. You will get spark, just harder to guarantee ” WHEN” you get spark, and that is the issue.
There are wizards out there that do it, but the timing tool removes all doubt, when used properly.
The timing tool promises to give you spark, as long as all the spark making components are good, at the moment you need spark in relation to where the piston(s) are vs TDC. On 2 cylinder models the tool also ensures that if used properly BOTH cylinders are firing as close to exactly 180 degrees apart as one can get ensuring best chance for smooth idle. I think Frank Robb told me there are like at least 10 different timing cam lobes, and probably more variations, so comparing what the timing tool get you to the feelers gage, would be challenging at best. Yes, some of them have the word “SET” on them. The makes an interesting conversation as where within that word “SET” do you stop and set the points? I believe that is why the timing tools were developed, because of the wildly varying possibilities with the feelers gage. And to be quite honest, the timing tool is faster. Really fast if you use the high dollar squawk box from Aircraft Spruce, because with that you don’t need to disconnect any wiring.
This may or may not answer your questions about your motor being hard starting. My guess is carb…Why you say?, Because you have spark, on both cylinders, so if you don’t get fuel, it wont run. Even if your timing is off, it will still run, just not well…
That is all I got…
Good luck
Richard
http://www.richardsoutboardtools.com
classicomctools@gmail.com
