Coleman CT200U minibike sprocket change /40 tooth / Top speed
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- Опубліковано 31 сер 2021
- Coleman CT200U minibike sprocket change /40 tooth / Top speed
Removed the 50-tooth sprocket and Installed a 40-sprocket.
Did a top-speed run to see how much faster the bike would be with the 40-tooth gear?
Coleman CT200U Playlist - • Coleman CT200U minibik...
Instagram -doubledown555Black66
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Parts used -
40-tooth rear sprocket - www.monsterscooterparts.com/4...
40-tooth rear sprocket www.ebay.com/itm/254912621046...
Exhaust header - www.gopowersports.com/header-...
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Lovin this series! Great low budget simple build! Also loving the one mod at a time to see how much difference each mod makes. Keep up the good work!
Thanks! I have more coming on this bike
I’m here for it🎉
Love it man
40 sprocket kicks ass!!! I love it on my bike. Made a big difference!!
Do they ??? I want to get one but hear people say I loss torque and hear people talk about 60 or 70 tooth i want more speed and torque too
@@505racing3 What did you end up doing?
@@505racing3?
you can barely tell a difference in torque, wheelies are just harder@@505racing3
@@alexanderpapii4866I run a 12 tooth clutch with a 60 tooth sprocket and it does ab 45 to 50 everything stock on the engine all I have is a exhaust and governor removed it’s perfect for torque and top speed but I might go with a 55 or 50 tooth to get a bit more top speed
I see you got your quicker/faster all figured out. Wink.
Gonna order one in between.... I hope. I still need low end. Thanks for the tips like you have done. That's the sequence I did in my Falcon mini bike. Keep it up
I have more videos coming. I got all the low-end back and then some with the 40 sprocket.
@@Black66 Whats the links
@@505racing3 ua-cam.com/video/ZFLSbnoH59g/v-deo.html
@@505racing3 ua-cam.com/video/X0SmAZJ6qW8/v-deo.html
Thanks for the video man! I have a 212 ghost swapped Coleman and I’m definitely going to a 40t sprocket for some more top speed
It should run really well with the Ghost. Have you checked out the Ghost playlist? ua-cam.com/video/ONJbFaEecQM/v-deo.html
@@Black66 yes! I’ve been binge watching your videos haha I’ve ordered the sprocket , flywheel and coil because of you. Hopefully I get some good gains I think I will
@@Dxvid909Yes that will wake up the Ghost.
If someone where to remove the governor and leave the stock carb and exhaust would they be ok just adding a new flywheel or would they also have to replace the connecting rod to keep the anything from exploding?
I have a 15 clutch n 42 sprocket is that a good ratio let me know asap!
I think I’ll try out a 46tooth sprocket. I don’t plan on doing much, maybe just the sprocket and header
i got a ct200u i just switched to a 60 tooth sprocket and was worndering which is better 10 or 12 tooth cluth???
I’m trying to run a 12 tooth gps racing clutch with a 40 tooth sprocket is that a good idea?
I have this same bike hopefully you do more content on it since all my friends want me to sell it and get Joes or GTS frame
I have a few videos on this bike so far. Check out the CT200U playlist. I'm also doing a GTS build in the next couple of weeks. ua-cam.com/video/ZFLSbnoH59g/v-deo.html
My buddy and I have messed with our ct200's recently I found tillotson straight chain with 60 tooth had the best balance of torque and top speed. I'm really interested in this 40 sprocket with the stock jackshaft though.....
It's a really good balance of torque and top speed.
How about testing B and C sprockets
It's not weird. All depends on how much weight you have vs. power as to how well a smaller sprocket can get up to speed. This is why race cars can use a high rear end gear and still have insane acceleration. Because they have enough power to do it. There's a curve to everything.
yes, this video explains this in basic terms...ua-cam.com/video/xV8i59aGUao/v-deo.html
Hey Kingman thats not far im down in Prescott. Just started the mini bike addiction in July. Still learning and watching videos. How do the stock tires hold up on road so far? Im doing about 50 50 on and offroad
Actually they have held up pretty good on the street so far . That’s is mainly where we do most of our riding .
@@Black66 Good to hear thanks
Love it where did you get the 40 tooth rear sprocket
Thanks! Thanks for watching the videos. The link for the sprocket is in the description.
What was I thinking...move the front clutch to the drive chain...10 to 13 tooth ratio on jack shaft would not engage the clutch until 2600rpm...
Pretty strange how your 0-30 time it faster. Maybe because the sprocket is harder to pull the clutch slips more and lets you get a better launch? Great video though, I'll definitely be picking one of these sprockets up. Paired with a torque converter this sprocket will be super fast.
Thanks! That's probably why it is faster. Kind of Like slipping a clutch in a car.
Hey I was wondering if it would be a good idea to ride a 18 tooth clutch with a 40 tooth sprocket if so what would the result be?
The result would be terrible low end and an overheated clutch.
I just got a 40 tooth for my stretched motovox, it's got a built predator 212 and I can't wait to see how much speed I get.
How’d it run ?? I got a stretched mega 80
I really want that
where did you get the sprocket from because i have the same bike and the only ones i found are for #35 chain
The link is in the description
One more question will a #40 chain still work on a #35 40 tooth sprocket or will I have to change the clutch and chain size ?
You have to have a #40 sprocket to go with the 40 chain. You cant use a #35 sprocket with a 40 chain.
When you buy your sprocket make sure it's made for a 40 size chain.
I've got a Tillotson 212 with governor delete, chinese mikuni, 125 main jet, and straight pipe with muffler on my mini bike. Gear is 10 tooth clutch and 44 tooth sprocket. For some reason, at full throttle, when I reach around 47mph the engine starts to cut off. I've tried bigger and smaller jets, and I've also experimented with removing the air filter for max airflow, but it always happens. Could this be a sign of valve float? I've got the stock springs in the Tilly and not quite sure what spec they are. Any suggestions would be awesome.
Not sure about the RPM you are turning but that could be the problem. One thing about it is the springs are super easy to change out and inexpensive.
Another thing I've found with the Chinese Mikuni is the engine will cut out at the top if the main jet is too big. You can always look at the plug and make sure it has that nice brown color to see how it running as far as rich or lean goes.
It's that bullshit Chinese carb you got on there
To gain speed like this I have the stock 75 tooth on the ct100u what would be the best one to upgrade to?
It really depends on what engine you're running. If you are going to upgrade to a 212 then the cc100x playlist will apply to your bike. It also had the 75 tooth rear sprocket. ua-cam.com/video/tJeup9bo-wo/v-deo.html
Where can I find an equivalent sprocket? The link you have posted is sold out and I've looked around and not been able to find anything between ebay and amazon....but I dunno what specifics make a sprocket compatible or that I'm looking for what 420pitch, 1.58 inner bore, and the 2.25 spacing for the square hole pattern? Or am I over thinking this????
Here is the link for a 40 tooth sprocket www.amazon.com/AlveyTech-40-41-420-Chain/dp/B07RG7B35V/ref=asc_df_B07RG7B35V/?tag=hyprod-
@@Black66 @Black66 thank you for the link man I searched everywhere and couldn't find it! I cant wait to be ripping this! If only I could figure out why braking and/or riding slow stalls me out now lol
Well I have a nibbi pe22 and exhaust for my bt200x and I just grabbed the 40t sprocket just trying to see if this motor will be usable on another project of mine before I pull it. I have a 420 going on the Coleman soon and was debating on using my 276cc flathead or this Coleman motor on my mm80 I’m leaning towards my flathead and selling this motor if it doesn’t wow me soon… 😊
Check out the B200 playlist for a modified 196 ua-cam.com/video/9Tk-t17M-ww/v-deo.html
I just bought a 38t sprocket for this bike do you think I’ll get similar results
Ya, should be similar
I have this same bike coleman 200
Is there a sprockets even small then this available you could find?
I have seen some on Amazon. GPS might have some too.
I’m going to try a 42 tooth 420 chain split sprocket. I have a 55tooth and I’m already going 60+. I built my Tilly even more and cranking damn near 20 hp. I also run a juggernaut. How much top end do you think I’ll gain? Hoping to go at least 70
If that built Tilly has the torque to pull that gear it should fly!
@@Black66 oh it does haha, do you think it could hit 70? I also changed it to a 41 tooth sprocket lol! As small of a 420 split sprocket i could find
Sir if you can please reply did you bypass / remove the governor from inside the motor ?
No, I never have opened the case on this engine .
@@Black66 ok just wondering because I just bought one too speed so far is 33 I’m buying the carburetor exhaust and the smaller sprocket tonight and I wanted to know b4 so ima try it with the performance mods first so I don’t mess anything up thank you very much ✅
Can you drop the link to where you ordered that sprocket
The link is in the description. If they don't have any in stock there might be some more sellers on ebay that have them.
Where did you find a 40 tooth sprocket? I looked on Amazon and GoPower and neither had one.
I found it on ebay
@@Black66 can you fix the link I can’t find it their either
@monsterscooterparts they have the black 40 tooth that he has in vid but it's been out of stock for like 5 months so I'm getting a 38 tooth off of go power sports
Do they really go 30mph stock? I thought it was like 20-22mph.
Yes, you are right , they go about 20-22 MPH. This one had the governor zip tied. Check out the CT200U-EX playlist for more combos. Thanks for watching!ua-cam.com/video/X0SmAZJ6qW8/v-deo.html
is it the same result with a straight chain?
No, here is a straight-chain video. It has greater top speed with a straight chain. ua-cam.com/video/Up6TpJiopEo/v-deo.html
Fastest tires in the west siR iSaac BLack66 a.k.a speedy Mcgillie
The link for the sprocket doesn’t work?
It's really hard to keep these links up to date. They sell them on Amazon or eBay. Thanks for watching the videos.
Link for the sprocket doesn’t work
Things I think keep you up at night...
Gear ratios
Cam lift/duration
0-30 times
Yes!! I have a hard time sleeping. But when I do finally fall asleep I dream of this stuff!!
@@Black66 I love you
@@tashatorrid I think it's because of the chick magnets that I ride around all the time...
@@Black66 😄 dinner and a movie? Pick me up in your go-kart with the flat slide
Would a 11 or 12 tooth or 44 tooth rear help tame the acceleration? I just got a used ct200u and first go I felt I was gonna get tossed off. Way more acceleration than gx160 on my doodle bug.
Ya, One of those would help it out I bet.
11-12 tooth would do a severe dip but will increase your top speed to probably 55+
Can't find the sprocket. Link leads to a dead end.
what exhaust is on there?
The link for the exhaust is in the description of the video. Thanks! www.gopowersports.com/header-pipe-coleman-200-mega-moto-212-w-gasket/
I can't find any #40/41/420 Chain - 40 Tooth Rear Sprockets anywhere - they seem to be sold out. Do you know of any websites/companies that might have them?
I found some on eBay last time around .
I did see a 44 tooth at OMB warehouse .
That would work too
@@Black66 Thanks. Any sense of what that would do for the top end speed (44-45mph?)? I like what the 40T did for yours.
@@curtisbrown5254 I think it would be really good . Especially if you weigh a little more .? I think the 44 would be a good compromise between speed and low end .
@@Black66 Thanks.
how about 36tooth rear with 12tooth clutch what would happen
Rocket ship!
@@Black66 they got a 59tooth for 32 bucks lol idk man
Was it just not broken in yet in the prior videos? Or maybe the taller gearing kept it in the max torque range just that much longer to where it accelerated quicker in the midrange even with the taller gearing. I mean could you tell 0-10ish was indeed slower at least, or not really a difference?
I think it had something to do with what you said . The engine comes with a small cam that is made for lower RPM . I think the gearing put it right in its max torque range . Over all the bigger rear gear feels quicker though . Adding a torque converter with the 40 tooth rear gear makes up all the difference and then some .
@@Black66 I just watched both of those videos and the carb one too (subscribed), hoping I'm gonna see that red bike again with some engine work performed? I got a few of the bikes on my channel as well but I haven't got around to modifying them yet (spring hopefully).
@@BuckeyeBallistics Thanks ! I have more Coleman bikes on the channel with a lot of different mods and engine combos . Check out the other play lists. I think I have five or six videos with this bike on the channel .
@@Black66 I saw that you had a bunch of other videos, but I got hooked on this build series and then it ended abruptly lol. I'll check out some more of your content when I have time. Merry Christmas...
@@Black66 Also why are 5 of the videos on the 200u-ex playlist market as private and not able to be viewed? Are you aware of this?
How did you get "30 MPH" out of that bike "STOCK"? Every one of those stock Coleman 200cc bikes come with a maximum speed of around 19-22 mph.
Watch the CT200U-EX and CT200U playlist for more speed combos on these bikes. Thanks for watching. ua-cam.com/video/X0SmAZJ6qW8/v-deo.html
@@Black66 you did NOT answer my question. In the video, at the 7 minute and 38 second mark, your whiteboard indicates "Stock 30 MPH"...
What are the best ways to get the bike that fast. How did you get it that fast
Check out the CT200U-EX and CT200U playlist. They show all the combos and modifications ua-cam.com/video/X0SmAZJ6qW8/v-deo.html
Shoulda went bigger with the rear sprocket and slapped a torque converter on it instead. Tons of power low and mid range and still good top speed. I have same bike with 60 tooth on the rear and 9 tooth on the torque converter jackshaft. Governor delete. It’s almost too powerful down low.. will put you on your back if you goose it from a dead stop or slow speed and will still do about 50mph with my big butt on it for top end.. I’m about 240lb
I have used a torque converter and straight chain. Check out the CT200U and CT200U-EX playlist for many more combos on this bike .Thanks for watching !
I have watched a bunch of them lol but all your testing done with the juggernaut and all of the mods to the ct200u I would of really liked to see if you would have kept everything the same and put a 60tooth rear. The power will surprise the hell out of you and surprisingly enough you don’t even lose top end speed.. you can get higher mph with straight chain and clutch but the down lower power is so terrible that the bike is basically rendered useless unless you only ride it on pretty level pavement and do no off-roading whatsoever. The torque converter and 60 tooth rear is an all around winner IMO. You can literally go trail ride in the mountains and have tons of power or cruise around the roadways still hitting about 50mph.. great content here love the channel. But would love to see the juggernaut and 60tooth rear combo tested 👍🏼
@@87fiveoh I'm not sure that would be worth testing. If you had 9/60 gearing with a Juggernaut once the belt shifts the result would be close to what you would have with the jackshaft and stock Coleman gearing. It would need around 7K RPM just to get to 40 mph. That's one of the reasons why I'm never going to use a Juggernaut. I would probably have to use 10/40 gearing with it to keep the RPM down at higher road speeds.
I'm using 9/60 gearing and it is very fun prior to the belt shift. With a yellow spring in the driven in the tightest hole I get 4500 RPM in less than 100 feet in the yard. And half of the run is uphill. With my 196 I get to around 47 mph right at 5K RPM. With the 224 it should do better than 50.
If you're getting 50 at 240lb you're doing really good. What engine and what mods?
@@Deucealive75 I have the 196 with governor bypassed and a stage 1 from go power sports and valve springs. 9/60 gearing on stock ebay tav 2 clone. I need to get a rpm gauge to see what kinda rpms I’m turning.
@@87fiveoh Good idea. Try to get one with a max RPM recall. Then you could just check max RPM after the run. I think there are some out there for $20 or so and they are easy to hook up. Mine isn't permanently installed so I could move it between two bikes.
You think a 38 tooth with a torque converter would work well?
Maybe. But if you are a bigger or heavier rider it might not have the low end pull that it used to.
On a Coleman it would not work well. But would work pretty good with a Juggernaut driver instead of the stock driver that's on the torque converter.
Is the governor removed on this
I think the external governor was removed in this video. Check out the CT200U and CT200U-EX playlist for many different combos on these bikes. ua-cam.com/video/ZFLSbnoH59g/v-deo.html
So total mods, governor removed, carb jet kit, upgraded air filter and 40t sprocket? Am I missing anything or was this just a 40t sprocket change? How was torque, judging by the faster times I would think it would be equal. Just concerned if doing this mod to increase top end, would I lose low end torque. Important as we go off-road in the sand.
And a header pipe. This is exactly why I was surprised. Usually, with a smaller sprocket, it would lose low end and gain at the top. I think this sprocket must put this engine right in the middle of the power band.
@@Black66 so I would really like to implement your mods. Could you tell me everything that was done? This would compete against a Honda ruckus at top speed. Also if you have links to share I would appreciate it. Thanks again for the great vids!
@@TheBilikenThanks! I have more videos coming out with this bike. Actually got it to run even faster!
With this video so far, it's pretty much just what you said. jet kit, low-speed jet, emulsion tube, and 35 jet, header pipe, high flow air filter, and 40 tooth sprocket. I think I added the links to all this stuff in the description of the last three videos.
Did you have to put in the 18lb valve springs or just bypassed the governor still? I have heard that if you don’t change to 18lb valve springs you would get valve float and issues?
@@TheBiliken Nothing internal. I'm looking to see what I can get out of it without going inside the engine.
are you planning on leaving the governor?
The only governor part left is the nylon wheel inside the engine . I'll take it out sooner or later. When I install a cam or a billet rod.
went 120 on a harley sportster that was 6 over on the forks. i was buffeting pretty severely. low and slow gets you there. i still have my MC DL but im a mini man from now on, with the exception of renting some wheels on vacation. too dangerous on the street. i even spilled a honda scooter on the beach in the bahamas in 3 inches of water i found the only hole. it wasnt a car. cars=rinos
What about a 44 tooth ? I will still get more top end with the 40 tooth tho right ?
The 44 could be better if you are a bigger rider. Sometimes we can get to high of a gear on there and the engine doesn't have the torque to pull the gear. Check out this video on that topic if you haven't already. ua-cam.com/video/xV8i59aGUao/v-deo.html
@@Black66 okay I weigh about 115 pounds I'm pretty light and i will check out that video thank you
@@Black66 also do you have any other links that's sell the 40 tooth sprocket you have I clicked the link in the description but says it's no longer available
@@505racing3 Oh Ya, with your weight the 40 would work.
@@505racing3 I dont have another link. I usually check with different sellers on ebay once in a while.
I am so confused how r u getting over 40 mph with this ?? I have the same bike same engine and have the 40 tooth on with a straight pipe and it only goes barely 30mph
You probably still have the internal governor on it I don't recommend taking out the internal governor without getting a billet rod and flywheel
Didn’t do anything to the governor?
External, not internal. Check out my other videos on this bike
I literally was gonna do the exact same mod lol
I love that mod. This thing moves out now. And it is still quick. Surprisingly
you made your chain tighter after you took the 50 tooth off thats why you got a faster 0 to 30 wit the 40 tooth
Do you have an extra 40 tooth sprocket you can please sell me ?? Or can you send me a link to a 40 tooth I can't find one at all for a ct200u
I left a couple of links in the description of the video for the 40 tooth. The first link might have one...
@@Black66 which video is it ?
I just ordered one on the link you had on the other video thanks man 🔥
I just swapped my 50 tooth for a 44 tooth and i also have a 12 tooth up front. I'm hoping i don't lose too much bottom end either but i did it cause i want to hit 50 mph. With the 50 tooth and 12 tooth up front i was hitting 41 mph so well see if the 44 tooth plus the 18 lb springs i just put in will do the trick. If not i also have a mod 2 cam coming in the mail soon. :)
Where did you find a 16mm 12t jackshaft sprocket? I bought a 5/8" 12t jackshaft sprocket recently and it was too small.
Can you sell me a 40 tooth if you have any extra ones by any chance please ?
I found it on ebay
in the drag racing world its all about torque and gear, so have no fear, now play with new mods and you may? can lower sprocket again. hay, i was imprest on you test as well not being a mini bike owner
Thanks! Check out the CT200U-EX playlist for many more combos on this bike ua-cam.com/video/X0SmAZJ6qW8/v-deo.html
How's about a 13 tooth jack shaft sprocket...and a clutch on final drive chain...a 1 to 6.3 ratio...and 2nd clutch starts to engage at 2600rpm to 3400rpm...nice torque take off and nice top end...
That would work. Check out the CT200U-EX playlist.
We try many different combos with this bike and others. ua-cam.com/video/X0SmAZJ6qW8/v-deo.html
I added a carb bigger jet and exhaust to mine and lost mph like 5
Check out the CT200U-EX and CT200U playlist for quite a few different combos on this bike. There are quite a few combos that make the bike faster and quicker. ua-cam.com/video/X0SmAZJ6qW8/v-deo.html
@@Black66 thanks mine has a torque converter was completely stock got 49 now I’m getting 43 unless the 49 was just a fluke lol
@@Black66 also it’s a 212 hemi
@@justinmanse2849 I use a Hemi in quite a few on the channel along with the regular Predator.
im going to fallow but first i have to tell you my drag racing moto; drive it like you stole it !!!
Can I use #35 chain on my Coleman ct200?
ZIng
Time for a bigger engine lol…
Not done with this one yet . More videos coming
Take the governor out
We have did many different combos on this bike and the CT200U-EX. Check out the playlist. Thanks for watching. ua-cam.com/video/X0SmAZJ6qW8/v-deo.html
a FLuke lol
Dude I just picked up the BT 200 X today and it's all stock with a 55 tooth rear sprocket but I wanted to add a 40 tooth rear sprocket.
Do you think that's a good move?
Maybe depending on the weight of the rider. Try it out, If you don't like it you can always switch it back.
@@Black66 175 lbs. Thanks dude.
Put it this way if you had the Mini bike and you just wanted to do one upgrade what would it be? I know eventually I'll end up with a V8 and a blower on that thing but for now I just want to do a quick upgrade
@@FSEVENMAN Just one upgrade on a Coleman 200? A torque converter hands down.