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  • tcambrón commented on bleachworthy's instructable Tuning Two-Stroke Engines3 years ago
    Tuning Two-Stroke Engines

    gaww these 2 strokes are a pain for me.I always had problems with my rc car - traxxis tmaxx, went through 5 carbs and 4 motors. I haven't owned an rc car for over 10 years now. But now I am having problems with my used pocket bike - mx3.I recently installed a brand new (advertised as new) carb on it. I let it idle on choke a few minutes to warm up. Raced around a few minutes until my testing-muffler had fell off.So, I got the muffler issues mostly fixed. I decided to do some local street runs. I did choke warm up a few minutes. I noticed that it idles pretty high rpm without choke. Tons of nice blue smoke with choke and cold-no-choke. But then there was no more blue smoke after 10 minutes of run time and the idle rpm seems to be higher. I did a couple more passes and started to notice t...

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    gaww these 2 strokes are a pain for me.I always had problems with my rc car - traxxis tmaxx, went through 5 carbs and 4 motors. I haven't owned an rc car for over 10 years now. But now I am having problems with my used pocket bike - mx3.I recently installed a brand new (advertised as new) carb on it. I let it idle on choke a few minutes to warm up. Raced around a few minutes until my testing-muffler had fell off.So, I got the muffler issues mostly fixed. I decided to do some local street runs. I did choke warm up a few minutes. I noticed that it idles pretty high rpm without choke. Tons of nice blue smoke with choke and cold-no-choke. But then there was no more blue smoke after 10 minutes of run time and the idle rpm seems to be higher. I did a couple more passes and started to notice that it would bog a little at full throttle and I would have to throttle about 75% just to get going.I think I seen an idle screw. But um, I don't think I even seen a High/Low tune.

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