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You said it was a knee jerk reaction, what would you have done?

Not really, it was stock but I made it like 50- 60 percent bigger

So, I just put a gx 160 head on my bike and ported it. Then I drilled out the jet bc it would only run on choke. I did it incrementally until it seemed to run good but it's just all out of whack now. It idles smooth and dies if I add throttle unless I hold the brakes and get it to build up rpm...

i figured id go ahead and answer some more questions while im here, you can only really tune it to run good or idle good. to tune it just turn the screw out (richer) until it starts to idle bad then make it idle well enough by screwing it back in a tiny bit (leaner). also unlike the stock...

i recently got a new tct a couple weeks ago and it was a pretty big deal. a $40 part is no small investment for me and i was going to get my money out of it. my brother and i both have coleman bt200x mini bikes with stock engines and have been doing small mods to add power. i modded mine about...

no i got a real tilly tct carb and was having some problems with it. im going make another thread covering what i did to fix it and what the results are becuase i cant find really any info on it.

gotcha, i really hate this over hyped bs with very little actually information espacially compared to the amount they claim to have IE tillotson claiming they can be fully adjusted and improve torque and what not.

ok neat, do you have any advice on the tct or are you just bragging, doesnt really sound stock either. if you put a new intake and muffler and retuned a car its deffinately not stock lol.

mines tuned with the stock parts, just modded and ported air box and muffler, slightly tuned jet, spark gap. all the little things, anyways it is fast than his with or with out the tct

its a stock bt200x hisun 196cc engine

So we just got a new tct for one of our mini bikes to test it. we use ours for hunting and we drive them over some very rough terrain so we wanted the extra torque they claimed. anyways we are very disatisfied becuase it just seems to work poorly. first of all the performance isnt any better and...

yeah that is about 100 bucks and a little effort taking the thing off. that isnt always easy especially after about 4 months in the rain

thank you all for the help. anyone else with these problems feel free to ask questions here.

i reinsalled it on the tinybike and and made a quick strait pipe. i also jetting the carb slightly with and exacto knife and like i said it doesnt have an air filter. it has some pitting but it is very minor and my mods seem to have overiddeen that becuase it puts out more power than every...

I went and bought gasket sealer and applied that. It worked well and it ran for a little while but I think I need to clean the carb again

this is not mine but this is the same engine to give you the layout of its components.

it seems to me the coil would arc with in itself. much the same as over volting a tesla coil or other high voltage coils.

That is very interesting! i have never heard of that. i will look up that problem and see what i can find. Would you happen know how to identify such a coil? from a quick search it seams they are mostly found in large engines.

It will grenade

Yeah there is a good chance lol