Coleman CT200U mini-bike simple hop-up gain up to 11 mph
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- Опубликовано: 22 апр 2020
- Coleman CT200U mini-bike simple hop-up gain up to 11 mph with no added parts except for a $1⁷⁹ spring. My wife and I have a pair of these and they are completely out of the box stock except for the mods shown in this video. Both of them will run 31 mph. These mods allows the governor to still limit the top speed, but will give more throttle and more power in the low to mid range. If you completely disable the governor, you will get "valve float" and eventually burn the valves. You MUST use heavier springs if you disable the governor. Both of ours floated the valves at 33 mph. Changing the springs would likely add a few more mph.
DO THESE MODS AT YOUR OWN RISK! THIS WORKED FOR ME BUT YOUR RESULTS MAY VARY. I AM NOT RESPONSIBLE FOR ANY DAMAGES OR INJURIES TO YOU, YOUR MINI-BIKE, OR ANYONE ELSE. 
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Completely changes this bike. What a blast.
Love the straight to the point video, no drawn out intro.
Great mod...while you guys and gals have the fuel tank off, it helps the annoying vibration noise of metal to metal if you throw a rubber washer under each of the front tank mounts and a nylon/fiber one on the rear...no more rattling of the tank.
What size?
Ahhhhh I will try!!!
Sir, I just want to thank you so much. I didn’t even have to check the speedometer. This is a amazing upgrade !
It would be very unlikely. This is a very mild modification.
@@mickeymurrs omg tysm my spring was binding up and i was so scarred
X
Mkii
@@mickeymurrs I did this and it worked out great for my son's bike. The bike does shake more at idle than it did before the mod. Did you experience this as well?
Great little hop up!!! Thank you. I just did this to my ct200u-ex and it worked out great!!! I went from 18 MPH TO 32 MPH.
Oh shii I guess I gotta try 👀
I have the same model and only does 18mph. Definitely going to try this. My son's 50cc syx moto is faster.
So did it work for y’all ?
I wish other RUclipsrs, would follow your lead as well as others, and use someone to hold the camera while your fiddling around with springs or whatnot. Whole bunch easier to follow and not get seasick!
This is the best video I've seen on governor work-arounds. Love the idea of moving the spring from the end of the throttle cable. All good stuff. Thanks!
Er,h &MB m hmm
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@@JrIvory ok
@@JrIvory that's right! (I've been drinking too)
This works so perfect on my Colman 200 instant power, thank you for such a detailed video this has been by far the safest and fastest method 👍🏽
Just got a BT200X and knew there had to be a safe way to tune the governor for best performance. Thanks for sharing your idea!
Thank you very much for posting this. It is absolutely perfect and your video was very easy to follow. The only thing I did differently was kept the stock spring and cut it 3 coils. Then I left the factory welded stopper screw in and just dremeled off 3/16" to achieve the same amount of throttle travel. I hit 35mph and it just bounces off the governor at full speed
Very detailed and informative! Great job answering my...somewhat basic questions on how to hop up this minibike for my grandkids!
I like your spring mod. Going to clip my zip tie off tonight. And for those wondering, I have the bt200x, I weigh 255, and mine goes 31mph (gps) no problem. Mine went 17mph out of the box. I drilled the throttle screw and backed it all the way out and it went 24mph. Did the zip tie mod and it went 31 mph. I’m not sure it’s advisable to ride at full throttle on flat road for speed very long with the governor mod, but in a ditch it made all the difference in the world.
Thank you for the video. I did these tips and made my bike faster. Instead of putting a new spring on I just cut the one you said to take off in half.
Thank you Stihl! Wow what a difference- low end and high end. I'm going to do the 18lb springs next. I did the Honda Spring, backed of the throttle screw and changed the spring position on the governor arm as you showed, very impressive thank you again!
what is the point of the honda spring? for safety to return the throttle back down?
oh wait, nvm, its to add a different throttle return system as you removed the long spring wrapped around the throttle cable
I did as you instructed. Wish you were here so I can give you a big thank you hug from the excitement that I just hit 34mph. Before it did only 21mph. Great video!!
That was a great video and as much as I’ve taken these bikes apart and put them back together this video explained EXACTLY what I’ve been having problems with. Thank you so much. Seems like you could do more of these pertaining to the bikes and I’m sure all of us would be in your debt sir. Have a good one. John from Louisiana.
I used the Honda 16592-ZE1-810 Spring Genuine Original Equipment Manufacturer (OEM) Part, Colman a clone and already has the holes for this spring. Works great. Great Video too.
I've wanted to do it to my bike but I was worried about it blowing the moter or valves getting messed up but this gave my great ideas thank you
Thanks for this buddy. Just got one and changed out the carb and throttle cable. Could tell it could go faster and was wondering what the mods were. Thanks so much!🙂🙂
I bent the tab over that the screw ran into, and it gave me more potential. After that it was the spring around the throttle cable was the limiting factor, so I nipped 1/3 of an inch off of it and reinstalled. The throttle now opens as much as yours. Same result, different method. It saved me from finding/making a new spring for throttle reset. Thanks for the second modification. This is exactly the result I was looking for. The takeoff is faster, the clutch engages faster (don’t want to do the torque converter mod yet), and it goes faster, but it has a good limit.
I'm getting one tomorrow, but I was thinking the exact same thing you said, you can just been that little plate over instead of all of that stuff he just did, and then shorten the spring a little bit like you said, that's what I think I'll do tomorrow when I get it
Bend towards left side of bike or towards right side? How far of an angle did you do? Much appreciated
@@coryfalzarano6473 I bent mine to the right, got 5mph faster speed.
@@GluteusMax777 much appreciated
I really appreciate the video it worked great and thanks for warning about not fully tying the spring shut
I followed your instructions, and everything worked perfectly! Thanks so much!
Holy moly! Great fix! Im 250 and literally hauling ass now lol
love the video. to the point. very clear direction. great camera view the whole time
Well done, I'm going to do that to mine!
Thank you so much I just did this in about 10 minutes and it went from 21- to almost 35!
good and thorough video, thank you, keep it reliable while getting just a little more power! very nice way to share
Yep I followed your info, then GPS tested different settings, found that 29.5 mph is very best top speed without valve float. Great vid!
What are signs of valve float?
Great vid man defiantly gonna do the first one! Have a blessed day
Bought two of these ct200u-ex and did this to both of them, drilled hole and cut screw off, working good ! Thank you
You removed the whole screw ?
Although I disagree with messing with the spring on the throttle the fact that you covered both parts of the governor is awesome. Thanks
Why
I have watched many different videos on gov. bypass. I think your method is the best one for me. This way you can always return it back to stock if you sell it to someone with kids. Thanks, great video.
Did all this last night. Can't wait till morning to try it out
Worked like a charm, an easy 10mph!!! Thank you :) CR200U-EX-R
Thank you for this video! i just got a Coleman B200R 2023 Nov from Tractor Supply 599.99 pre black Friday sale and the governor spring hole relocation was a good mod. On my new bike the set screw wasn't welded and the cable config connection still used the same spring as it is different now on the new engine. Didn't need to buy anything extra! I'm a little bit 200lb + and i hit top speed of 32.6mph! Not bad for a free tuneup! i haven't done anything else yet. But, the torque converter is next.
Update……. I have added the torque converter, aftermarket carb and jetting, my own custom exhaust, throttle relocation kit, ARC billet rod and flywheel and it will do 44mpH oh and I removed the gov.
I just bought the same bike at tractor supply. Can you tell me exactly what hole you relocated the spring to. Appreciate it.
i followed a guy's video on drilling one more hole near the outside of the arm for the spring. I think this effectively disabled the governor.
so it was the 5th hole out from the video ruclips.net/video/A1QgqKccikg/видео.htmlsi=CeQVPmYM99vuWJpN&t=654 Didnt need the zip tie trick with the new hole config
@@radpaul2574 thanks man! Will start on my mods next week.
Thanks I got mine from 19 mph to 30 mph from this video, thank you. I have a torque converter, 18lb valve springs, new carb jets, and 5/8 to 3/4 shaft for the torque converter coming in the mail. I plan on doing the governor removal when I get everything in. I hope to reach 50mph🤗
With the mods you listed, realistic expecration is between 40 and 45 mph
Stihl cars and cameras got there’s to do 50mph and the only thing they did on top of the mods I plan on doing is a 60t sprocket
Stihl I’m sorry it was bleepin jeep not cars and cameras. My mistake
Love the ingenuity and explanations, great job
Very detailed video! Thank you
Wow, the best mod I've seen yet. Thanks
this is genius i will be doing this thanks for the simple and straight forward vid!!
Thanks for the tip with the screw one my cc100x I just bent the screw up but with the BT200x it’s a bit harder
Great video!! Did everything here! Totally different bike. I only add. Premium gas a must. Full synthetic. As well as a high grade spark plug. Zoomzoom
did the first govenor upgrade and noticed a difference. Doing the next one this afternoon!
Like everyone else in the comments, I want to thank you for your help. Before the video I was hitting 19mph and I did as you suggested and It runs at 28mph now. Once again thankyou
You're welcome
Awesome video man!! Just got my son this bike. Ill do the first mod let em get used to that first!
Great video pal .. thanks for information.. the extra hole is perfect 👍
Thanks for sharing with us now I gotta try it out on mine
Love ya my man the best clearest voice
Great video.... you have the gift of communication.
I went from 19 mph to 26 mph on my ct200u with both drilling hole method on far side of the arm and screw cut method. thanks!
What a great video, thanks for the information
Nice. I’m gona try this tonight. I ordered some springs and a flywheel and an air filter and I have a smaller sprocket. I just want like ten 15 mph and I think it will be perfect. Mine runs 20mph right. It’s brand new out of the box last night. But it tops out fast and even my 4 year old son wants it faster. (With me driving. Lol)
This works but I still love watching other people's videos on the modification.
YES, i did exactly what you showed in this video, 30.5 mph, and more torque from a standstill
Nice!
Thanks. Explained real good.
About to do this right now thanks for the detailed instructions
The difference is amazing. E even noticed a difference in throttle response.
I just bought one and I'm going to do what you did. 😊
Best explanation I have found, thank you!
Excellent instructions, thanks!😊
Now I definitely have to give that a try dude, thanks
Thank you sir. Going to try on my 200x but they made it a little harder on the newer models
Gonna try it see what happens we got two one for my kid and one for me. thanks for the help
Excellent video!
I'm going to do this on mine, but I was able to get 44 mph out of my minibike by just lengthening the big chain in back and removing the sprockets from the jackshaft. I then ran the chain directly from the clutch to the rear wheel. The bike has slightly worse acceleration but a much higher top speed and the governor is still present. What really made it work best was the chain being a little bit stretched
I done this now. Very sluggish take off. But top end is great. Mine hits 48mph. Going to change ratio next. The bike rides smoother now than before without jackshaft assembly.
Great video with great advice!
I have always know that screw as a speed limiter screw so you can decrease speed when little kids are riding, and a accelerator return spring. Each his own. Have fun. Still working on mine, New rear sprocket today. 27 mph. And gaining. Lol
What size sprocket did you decide on? I'm thinking about trying a 44 tooth, for my ct200u. Still running oem jackshaft setup, and all gear sets are oem. Cracking 32mph right now, from this very video.
Thank you for the video! I have a brand new Coleman CT200 U-EX, that came with a
California emissions carb that was all gummed up? It would not start or idle. I ordered a carb
form GoPowerSports in Texas, installed today, and did the mods in your video. Did a test drive today,
ran great. No need for a Stage 1, and all the noise, and junk hanging off.... to get knocked off .... thanks again
I picked one up and had nothing but problems with the same thing hard time starting and no idle when it dose start runs rough
tried to adjust the carb no adjustments!!???find out its the California junk carb. so im in the process of doing the same thing now.
Awsome video man!
Thanks for this Video, the bike runs great :)
Good idea with the tie wrap’s
Thank you for the video sir it helped me tremendously
I just was working on my new mini bike and you can just cut the spring shorter then stretch it. That way it can compress more
Thank you can believe how easy that was
Thx Man. Did This To my Ct200uA yesterday while my grandpa was sleep. If he would have caught me putting the zip tie on my mini bike with the gas tank off I would have got yelled at and fussed at. I got 27 miles per hour on my mini bike yesterday but I could have went 30 but I was afraid that I was going to blow the motor up
I prefer taking out the govenor because it’s spinning freely at high speeds if your gonna do it do it the right way don’t pin your bike out for more then 2 seconds unless you want a rod up your ass it’s fun to do just know how to ride and be careful
@@ninjaxgaminggamingchannel3082 yep ur exactly right. To be honest I do not know how to take out the governor and I do not have time for that and I'm afraid I might mess up something but thanks for your advice. And actually I got 29 miles an hour before after I did the first speed test of me getting 27 now I'm getting 28
@@PRODKYMARION cool well be careful with that your putting your engine at risk
@@ninjaxgaminggamingchannel3082 Damn i think my engine fucked up now🤦♂️😪Coleman fucking sucks. getting a dirt bike soon. now my engine makes this loud sound when i pull the cord and when its running. RIP MINIBIKE😂😂😂
@@PRODKYMARION can’t say I didint warn you lol you probably have a cracked piston head or something similar suprised it still runs at all hope you had your fun!
Thank you sir!!! Great video!
Great video bub 🔥👍🏽
The Honda spring was like 4 bucks on Amazon and works great. Also thanks for showing the trick with the three holes on the governor arm. Haven’t seen that yet
Hey buddy Do you have the link to that Honda spring thanks
@@gilbertrequejo5442 Honda 16592-ZE1-810
It was on Amazon for like 3 somethin but sadly it seems to be unavailable right now. Probably on eBay somewhere though
I drilled the hole and moved the spring over on my stock bike. Went from 19 to 23mph. 4mph increase on a 155lb rider.
Thank you sir I did this mod tonight on my bt200x, the rt200 I have I just moved over to 4th hole and gov not kicking in.
Awesome vid. Thanks for the info
Nice video! I don't have to mess with that because I have a torque converter (and sprockets and stage 1, etc..) and my CT200U will go 51 mph down hill with governor intact, but I have one CT200U-EX without a TC and I wanted to experiment on that one.
I thought maybe moving that spring to the outer hole might do something but wasn't sure how much. I might try drilling a hole where you did and then hooking an up a tachometer just to see how fast it spins like that.
The only thing you have to worry about is valve float like you said, but also the cast flywheel flying apart. I think they can handle up to 5000 rpm or something like that, but it's always a risk to think about.
Another thing you could do if someone wanted more climbing power without hurting top speed too much is do this trick and stick a smaller sprocket up front or a 60t on the rear. They'd get more torque and still have an "ok" top speed with centrifugal clutch. 👍
Sucks about the 60 tooth still being out of stock at the 4 suppliers I would purchase from.
My ct200u just busted 32mph today. All thanks to you posting THIS VERY VIDEO!
I think I'm at the threshold now. Running out of gear upstairs, and find myself backing off the throttle to keep the valvetrain safe. Whats your take on the smartest gear change? Go up a few teeth on the clutch, 10t ^ to 12t? Or bump the rear wheel sprocket down from factory 50t down to mid 40's tooth? Maybe that jackshaft double gear assembly (20t/10t) might be a move as well?
@@sidewayzmike i would start by going up one tooth on the clutch sprocket. It will increase overall top speed but will slightly decrease acceleration rate.
Decreasing the rear sprocket will boost top speed but low speed torque and acceleration will suffer.
Another option is to install a torque converter setup which would tremendously increase acceleration and top speed since is starts out with a lower gear ratio and as speed increases, it progressively increases to a higher gear ratio by means of a heavy v-belt drive and centrifugal variable drive pulleys.
I would also recommend adding the 18# valve springs. They're cheap insurance and can be installed in less than 30 minutes.
I am purely trying to run it out of horsepower by way of gear selection. Its very close to optimum. Hell, I haven't even busted the clutch bolt loose, simply to remove and measure what my actual crankshaft output shaft size im running! Option a: rear sprocket downsize. Option b: clutch upsize.
(My jackshaft tensioner aint looking healthy, btw. I've got some significant grooves cut into it) maybe look at my options, along with adding a steel wheel heavy duty tensioner from studz looks pretty sweet! www.studzracing.com/ProductDetails.asp?ProductCode=HVYDTYBAJATENSIONERWITHSPRING
I'm holding off on tav/ torque converter setup for at least this season.
@@sidewayzmike im pretty sure all of the later models have the smaller crankshaft size.
Thanks so much I got like 6 mph just with the zip tie
I cut/shorten the other spring you removed. Work fine.
I just trimmed the original return spring down so it doesn't bind and made the Honda style spring to add to it as a helper. Runs to about 25 MPH. Two return springs are better than one. I have a 2016 so the throttle screw wasn't welded. The throttle screw does not prevent the throttle on the carb from going wide open. It just limits the throttle linkage travel.
The throttle stop screw actually will limit top speed. Think of it this way, it's like putting a block of wood under the gas pedal in your car to keep you from pressing the gas pedal all the way to the floor. The governor controls how much the carb butterfly opens. Example, if you twist the grip to half throttle on level ground, it will accelerate to a certain engine rpm and the governor will then restrict it to whatever rpm that is. Now, still holding half throttle, you start up a steep hill. You will notice that the engine will accelerate to try to maintain that particular rpm, even though you didnt change the throttle grip position. The carb butterfly may even open to full throttle when under a heavy load to maintain that particular rpm, but as soon as you hit level ground again and reduce the load of the engine, the governor will close the carb butterfly to only enough to keep that rpm. The govoner can open or close the carb butterfly fully at any throttle position depending on the load on the engine. Basically, the throttle stop screw limits the amount the throttle can be opened. Turn the screw in all the way, or better yet, put a longer screw in and watch your top speed magically disappear. Before you start the engine and the governor is relaxed, the carb butterfly is actually almost wide open. Scary huh? As soon as the engine starts, the centrifugal weights of the governor start spinning and close the throttle to idle position. What limiting this spring does is prevents the governor from closing the carb butterfly to its designed rpm limit. With this mod the governor is still fully functional up until about 75% throttle position. After that, the zip tie prevents the governor spring from stretching any further and preventing the governor from reducing the carb butterfly opening to its predetermined rpm maximum.
@@mickeymurrs Already know all this. The Honda GX200 and the clones that followed have been around for more than 2 decades. I commented because some think that you can't get full throttle with the screw in it's factory position.
The Honda linkage/governor design isn't scary at all. But when it is manipulated by people new to all this is when it gets scary. At least you took the time to understand how it works. Others not so much.
Well done video
the spring you can use for the governor throttle return is the same one on the Honda lawn mowers.
Thanks man just bought mine definitely gonna do this
Still run!
Good stuff sir
Very. Nicely. Done. Thanks.
Great stuff ☺️
Thanks boss,very helpfull
just tried this out and 100% works but make sure your spring isn’t in front of the throttle cable or else you can’t stop very well because the spring is sticking to throttle cable, that’s what my problem was, and you will get more speed if you don’t have that in the way.
Thanks for the info 👍
Great content will explained Thanks
Hey thanks for the video you did a really great job. These videos really help out the hobbies that we all have. Thanks for the knowledge. How have the motor has been holding up with the new modification any problems or anything that I should look for. Thank you
I've had no issues at all. Starts just as easy as it did before modification.
Oh, look out for valve float (surging or popping out the exhaust at full throttle). It may or may not do it. Every engine is different. Neither of mine did it, nor my wife's. All three have the same mod. I did the 18# Honda valve springs on the two CT200U bikes but not on my camo CT200UEX. All three run the same.
This is legit it works great only thing you should prolly order is a performance short block there 260 sum but worth it
Hello you stated that on your mini you took the throttle spring off drilled a 3/32 hole and replaced the spring so should you then additionally do the governor too. Or can you do either fix to get the mini to run faster thanks..the video is quite well done and clear great job.
Good info
Nice job