Old 80cc bike no acceleration or pull.

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What do you all think of this? Does it really not need carb jets to tune it or is it a gimmick? It would be cheaper to get that and return the dellorto carb + jets, if true.
It's a gimmick. It says 1 slow jet, and 1 main jet. The slow jet probably has a needle to adjust the idle circuit, but the main jet will still need addressing with various build types.
 
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What do you all think of this? Does it really not need carb jets to tune it or is it a gimmick? It would be cheaper to get that and return the dellorto carb + jets, if true.
It's an oko clone carb and it has a slow jet, needle and main jet. Even shows the jets in th 6th picture. I wouldn't buy it. Just because it's from bikeberry.
 
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It's a gimmick. It says 1 slow jet, and 1 main jet. The slow jet probably has a needle to adjust the idle circuit, but the main jet will still need addressing with various build types.
Slow jet and mixture screw for idle, needle 1/4-3/4 then main jet with tons of overlap of the three. Can feel the mixture screw at full throttle lol.
 
Should I make a new batch of premix before I get the jets in? What do you recommend for oil, ratio, and octane?
I would put the mixture where I plan on running it before screwing with the jet. I use Amsoil Dominator 2 stroke full synthetic racing oil. Around 11.50 a quart at Napa. 4 ozs. per gallon. I use premium gas, and at 160 comp. you probably should too.
I
 
I would put the mixture where I plan on running it before screwing with the jet. I use Amsoil Dominator 2 stroke full synthetic racing oil. Around 11.50 a quart at Napa. 4 ozs. per gallon. I use premium gas, and at 160 comp. you probably should too.
I
I got some STP, is that OK?
 
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