Cub 185 battery ignition timing

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csl3ch
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Cub 185 battery ignition timing

Postby csl3ch » Sun Jun 12, 2016 2:53 pm

I have a farmall cub that the engine has been replaced with a cub lo-boy 185 engine. I started to set timing but not sure which mark to use on crankshaft pulley has 2. Also what is the best procedure for setting the timing?

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Greg Armstrong
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Re: Cub 185 battery ignition timing

Postby Greg Armstrong » Sun Jun 12, 2016 4:07 pm

One mark is TDC and should have a 0 next to it. The other is 16° BTDC and is where timing should set with the engine at full RPM. Use a timing light, but timing by ear also works.

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Re: Cub 185 battery ignition timing

Postby Eugene » Sun Jun 12, 2016 4:32 pm

Engine rotation. The first mark to line up with the pointer is the advance mark. 2nd mark to line up with the pointer is the TDC mark.

Static time the engine. Then if you desire you can fine tune with a timing light. Normally static tuning will be spot on.
I have an excuse. CRS.

csl3ch
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Re: Cub 185 battery ignition timing

Postby csl3ch » Tue Jun 14, 2016 8:41 am

What is the procedure to static time the engine?

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Re: Cub 185 battery ignition timing

Postby staninlowerAL » Tue Jun 14, 2016 9:02 am

Engine at TDC on compression stroke, pointer should align with the second mark. Rotor should be at the tower for #1 spark plug lead. You can view several posts on this topic by using the search feature at the top right hand corner of this page. Also view and download the GSS manual-- viewtopic.php?f=1&t=91784&p=726676&hilit=static+time+engine#p726678

csl3ch
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Re: Cub 185 battery ignition timing

Postby csl3ch » Tue Jun 14, 2016 6:56 pm

Thanks for all the help she is up and running good!


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