Putting a better exhaust on a Coleman BT200X Minibike
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- เผยแพร่เมื่อ 3 ต.ค. 2024
- I bought a Coleman BT200X minibike a couple months ago and while it’s a lot of fun, it does have some shortcomings. The first one I’m going to address is the exhaust. I bought minibike / go cart exhaust of Amazon that will fit the engine and it should only take me 5 minutes to install it, or will it?
Powerfist 212cc engine: www.princessau...
Predator 212cc engine: www.harborfrei...
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Thank you Sir for the PSA on the hazzards of welding various metal coatings!! I am a hobby welder and I picked up some of that info early on from some pro welders. Good video! Thank you for sharing.
Thanks, Eddie! I'm lucky enough to have a Dad who was in the trades and encouraged many times to research stuff like that
You got adequate advice from your offering my friend however - nice craft related post🎉... Your mods are thoughtful and creative - keep em coming. I've been fabbing my bikes for a few years now and really receive joy from the moreodest, bolt on it minor mods like the ones you choose to share... Since I'm almost 70, I figga it's time to ride more, not just build. Good stuff
Nice! These bikes are so much fun to tinker with!
Put the header pipe on take a propane torch and heat it at the bend. Get it red hot and take a screwdriver stick it in the end and bend it an inch or so. So much easier.
A great tip! My propane torch has an issue right now: when I turn it up high, it randomly flames out so I can't get enough heat into the pipe for it to soften. I'll need a new propane torch soon, I think.
Thanks for the information 👍
You're most welcome!
I rel\ally like these series of videos - it has me strategizing my BT200X purchase!!! What I just noticed is that the easier route on the exhaust would be to cut out the ANGLE at the flange (connection to the enginea0 THEN weld that back reducing that welded chrome look. Just an idea - i will have to try it on mine and let you know!!!
Great suggestion! Let me know how your mod goes; I'd love to know!
Thanks for your service. I have two to mod. Thanks for the video greetings from Vancouver Island
Very cool! Where about on VI? I'm mid-island near Qualicum
I got 60 mph, taking out the gov. and a straight pipe. I made a muffler out of a stainless bottle canteen. I secured it to the pipe with a small clamp, and perforated the flat end. I got the pattern for the holes, from a shower drain grate.
Amazing! That sounds like some serious mods! I think I'm going to remove the governor next and see what she'll do! Thanks!
Please respond. Is it okay if I just get a straight pipe for the RT200 and just ziptie method the governor? I’m planning on buying a predator so I wanna just push this mower. But from what I mentioned it won’t just blow the engine right away will it? I’m not even buying a carb for it.
This man gives good info I love it 😊
Thank you!
“…and weld like I did” please don’t lmao
I have the Coleman CT 200 U and I'll tell you what I love it if you take a zip tie and put it through the Spring underneath the gas tank which is the the governor Spring and only tightened about half way so you still have some governor I gained a lot of top speed and I put a 60 tooth sprocket on the back and now I can climb hills like nobody's business I love the common would never regret buying it
Nice! They're such a fun little minibike! I'm going to try the governor delete in a future video, but I've got a torque converter transmission to go on first to play around with (and a 212cc upgrade, and a speedometer, and a front brake and a ...)
Just drill out the baffles on the square muffler. Weld a short pipe behind it. I experimented with mufflers and got some fried bologna, my leg.
You a funny guy. Great video as well.
Thanks! I do my best to make entertaining and informative videos
Could you do a quick video on hooking up that hour meter?
Hey! For sure! I'm just coming off of a 2 week vacation and I'll try and get that done this weekend! (Sept 16th/17th) Thanks for watching!
thanks boss i did one inspired by you n this awesome vid and bike i called mine the Venom exhaust lol
Love it! Cool name too!
@@wetcoastfab i try lol
Go for a torque converter (cheap ebay one is fine) and Juggernaught style driver pulley next! I’d also cut new, longer, axle tabs for the rear to stretch it 3-4 inches. It really makes a difference in the offroad handling!
Love it! It's actually in the works. I plan on putting a Power Fist/Predator 212cc engine in the bike and going the torque converter route soon!
Honestly if you wanna go even cheaper but slightly more reliable, keep the basic jack shaft and go with a 60t sprocket. Gives plenty of bottom end for like 25-35 bucks. It’s cheaper and dosnt require any customization. I’ve always thought the jackshaft looks better.
@@Ezdrummsso I’ll still get better torque? I’ll do that ASAP if so.
@@ShadowJack4488 yes a 60t sprocket will 100% give you more torque!
@@Ezdrumms awesome. I just got a mikuni style carb. That’s next up definitely! I think I have a 48T installed currently. And a 14T clutch. Would 60 on the back and 14 up front be a good ratio in your opinion? Or should I go lower or higher on front teeth? Thanks for the advice brother. And for reading this and for reading all this mess and replying if u do haha
You could have not put on the actual muffler. Mufflers limit sound and airflow.
Agreed, but sometimes I ride in areas where there's limited access and riding in those areas are ... frowned upon
Did you do the jets and race valve springs or just leave it as is?
I did the jets on the VM22 clone carb and have 26lb springs I'll be putting in soon (in a Harbor Freight engine)
You said it is way quieter right?
Kind of? I don't think it's that much quieter but the exhaust noise is a lot less harsh. I'm planning a sound comparison video between the stock exhaust, a straight pipe and a muffler soon.
I just did the tourque converter now im working slowly with ehaust system and brakes oh i also got a blue throttle cable that note taken dont let sit in sun cable will turn green 😂
LOL! Good advice, thanks Matthew! What kind of brakes did you go with?
Thanking of doing the green brake pads that i have found on amazon
@@matthewvangundy7968 Cool! I'll have to check those out. My next video is me tackling disc brakes for the front wheel. I'm going to see if I can fab up something. Wish me luck!
Did it need jetted for the exhaust?
Hey Bob! Nope, the engine ran just fine. I don't think there's enough of a difference in the exhaust flow to need it
@@wetcoastfab Maybe you should have made a bigger difference in exhaust flow.
You only have to jet the carb if you are *actually improving airflow* 👀
@@buscobeachofficial5131 lol
I have plans for this little minibike - 'Predator'-ish engine is coming right after a CV upgrade with the current engine
So this exhaust is quieter than stock?
Yup! No loss of power and a more mellow sound. The original box exhaust had a harsh 'snap' to it that would echo off the ground right back into my ear!
It needs a DURO MAX 9HPE Electric starP hp motor #9HPE ON 275 cc with 9 hp motor 349 delivered
mid interior myself. Heres to old farts on BTs
Love it! Yeah, reliving our mis-spent youths, right?
@@wetcoastfab Saving my 83 Z50 for grandkids
Did the exhaust add any speed
Maybe 3 - 5 mph at the most
@@wetcoastfab I added a VM 22 on mine it gave me 12 mph. I’m at 31.5 right now. Top speed. I’m probably for to buy a fixed up trail master mb200 and sell my coalman BT200X
The pipe fits , you should've took the fender off
Thanks for the feedback! Yeah, the pipe did fit, but the muffler was going to interfere with the frame
That exhaust would be so good if you didn't put the baffle on the end😭😭
No argument from me, but sometimes I ride in areas where there's limited access and riding in those areas are ... frowned upon and I don't want to draw attention to myself. Maybe a turbo project next :-D
Hello what is that little silver thing by muffler that says DPS?
Hey Scott! I'm not sure where about you mean - can you give me a timestamp in the video and I'll check?
Ohhhh...it's a ten minute job....said myself hours ago...
LOL! Isn't that always the way though, Sekov?
@@wetcoastfab With every '10' minute job.
How can I make my exhaust even quieter than this ?
Usually the best way is to go with a bigger muffler. The engines themselves are also quite mechanically noisy. I've got a video planned for various exhaust configurations and noise levels.
@@wetcoastfab the engines sound like someone dumped a bucket of bolts in there. Lol. Ok thanks for the advice.
@@woodrat6997 Right? These are very 'primitive' engines, built by the lowest bidder, on a design that's decades old. That's also why they're so much fun! The best thing I've found so far is to get rid of that black brick of a muffler and use an exhaust pipe and silencer on the tip to at least get the noise away from your left ear.
@@wetcoastfab where I want to ride they don't allow me. But they allow ebikes . So the quieter the better for me. The sign says "No motorized vehicles." Technically ebike are motorized. My bike has an engine.
A lot of the engine rattling noise is actually the gas tank wobbling around. You can put rubber washers in the bolts that hook it up to the engine and really make the motor rattles less
you could have bent it
Send it and gonna bend it! One way or the other ... Thanks for the suggestion!
Replace the motor with a Predator 212. The clones in these minibikes are terrible quality. We have two and have had to have both gas tanks and both mufflers replaced three times under warranty. Absolute garbage. The bikes themselves are great.
That's the plan, Paul! I've got a PowerFix (Predator version from Princess Auto) that will go in soon.
@@wetcoastfab Sounds good. If you feel the need for more speed check out the Predator Ghost (or Princess equivalent) racing engines, which can be picked up at 25% off on the Memorial Day sale. They'll get you to about 45mph compared to the 25mph stock. Have fun; be safe and best of luck with the channel! 🏍️🛣️🤘
@@Deeznizzoz I'm toying with the idea that the last upgrade on this minibike later this year is a Yamaha 650cc twin ... stay tuned ;-)
You've got bad juju buddy... The Hisun 196's are super reliable little mills.... all made the same actually read up and don't worry, be happy
It burns my plastic
Why not do a straight pipe?
Sometimes I ride in areas where there's limited access and riding in those areas are ... frowned upon so I want to keep it fairly stealthy