What is the oil to gas ratio for 1981 cr80r honda dirtbike 2 stroke?

What is the oil to gas ratio for 1981 cr80r honda dirtbike 2 stroke? - 1

50:1

Wrong its something like 32:1 or 30:1 i'm not sure which

If using synthetic oil than the ratio could be 40-1 - 50-1 depending on the brand.
If using regular 2-stroke oil a 32-1 ratio is what is used in most cases.

I would start rich, ( 30: 1 or richer ) then read the plugs and adjust the ratio accordingly.

You won't do any permanent damage by running rich.

32:1 to one gallon of gas add 1/32 gallon 2 stroke oil

32:1

32:1 is pretty traditional ratio on any 2 stroke. Especially a 125 or smaller. Depends on your type of riding though… If you have black goo sludging out the exhaust and head pipe then lean the oil. Not too much though… Maybe 40:1 and keep an eye on spark plug. Grey is a bad sign… That means richen the oil. It's really all about riding style but you generally can't go wrong with 32:1. Especially on 80cc.

My CZ 250 and 400 both run 20:1… Power band is in the 8k+ range though.

The 1973 CZ 400 outputs near 50HP… Man what a ride!

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