motobecane timing without tool?

can anyone help me set the timing on my engine without the timing tool. the timing cam came off when cleaning the points. am i screwed or is there another way to set the timing without using a timing tool

Re: motobecane timing without tool?

The timing tool is just a guide for measurement. I use a peice of a ruler and a hex key. The hex key show you where the piston is, and the chunk of ruler allows you to set the point opening at 2mm before top dead center.

Re: motobecane timing without tool?

I wrote an article with pictures on the subject.

https://www.mopedarmy.com/forums/discuss/1/173041/173041/

Re: motobecane timing without tool?

Couldn't you just cut the ruler so that it will fit in the cylinder, instead of using a chunk of ruler on top of the cylinder and a hex key in the cylinder? If you're chopping up the ruler anyway, might as well.

Re: motobecane timing without tool?

I actually use a chunk of broken measuring tape that I found on the ground. All this cutting and modifying smacks of effort.

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