49cc no chain tensioner

Going home depot return these worthless screw extractors. Dont get the ones that say speed extractors seen on tv. Waist of $16
 
Yup, just a little slack is good. There’s a whole process for figurin’ out what should be, for what length, an’ whatnot... But, if you roughly keep it to 1” of deflection over that distance (between your sprockets), you’ll find it stays pert smooth, and won’t fast-track wear on the teeth. Use those dropouts to your advantage, until you need to pop links.

Awesome! 👍
 
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