’Pimp My 50’ 4 Stroke Edition Performance Enhanced Motorized Hyper Bike

In this segment we ’Pimp Out’ a generic 4 stroke 50cc motorized bike through performance upgrades. This video covers a walk around, a ride along, build notes, and building process.
*** This bike will not be stressed!!! I am saving that for the next juxtapose video...this is just an introduction, or a teaser if you will!!
BARELY HALF-WAS USED
*** UPDATE: (04/30/20)- So I have received some feedback about the Fat Belly exhaust. Many are curious as to why I didn't just use a straight pipe. So, my examination is.... I debated it. It would have been more simple AND I would get more power from a straight pipe--no argument there. That is true. 4 strokes need to just push away exhaust, not recycle it. Typical expansion chamber exhausts on 4 strokes have a flute style exit chamber. My goal was not performance...my goal was making it sound and look bad ass. Will the Fat Belly hurt the motor? No. Will the Fat Belly give the MOST performance? No. Though it will not give the most, it is still much better than the stock muffler and does give it a rich sound. I am fully aware of the differences between the pipes. Once again, I wanted to ’Pimp’ the bike, not make it as fast as possible. That can be proven by the size of the rear sprocket, the exhaust, and the pocket bike transfer case. If you want performance, then use a straight pipe...i am in no way suggesting the Fat Belly is better. I hope this clears up some of the air. Thanks for your time.
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www.southerncustomcc.com
Thanks for watching!

[@heavystarch100]

Love it minus the unnecessary expansion chamber.

[@alexnather7614]

Right, 4 strokes don't even need expansion chambers

[@alexnather7614]

Plus the less restrictive the muffler the leaner the engine will run, which is bad. So if your going to put another muffler on without as much back pressure, you have to re jet or get a new jet for the carburetor.

[@issaacxxx6202]

Honestly even on the 2 stroke engine, that expansion chamber is worthless. The stinger is bigger than the header, so it's just a noise maker honestly.

[@tc1254]

@@issaacxxx6202 I agree if the header was proper and the stinger was sized accordingly it would be a half decent pipe but it’s junk as is

[@daleyoung87]

@@issaacxxx6202 no. 2-strokes benefit from an exhaust wave.

[@joeMW284]

an expansion pipe on a 4-stroke? one of the best things about having a 4-stroke is not having to use one of these things!

[@SouthernCustomCC]

Joe Gac : Yep, like I have said, I only used it because I liked the look and sound a lot more than the straight pipe. Could I get more power from a straight pipe? Yes. Do I need an expansion chamber? No. My goal was to make the bike look and sound sweet. But, yes, you are correct! Thanks for watching and the input... it makes the community stronger

[@esesoke]

Frankenstein bike

[@heavystarch100]

@@SouthernCustomCC but it looks dumb. My opinion but hey whatever floats your boat, you could've done something way more cool and less offensive. It sound like crap, but looks like it performs great. Smh

[@alexnather7614]

@@SouthernCustomCC you can't get more power from a straight pipe unless you get new jets to make the engine run richer, straight pipe offers more airflow, but the engine will still be fed the same amount of gas through the stock jet, you need to add more air flow and fuel "a richer mix" to make an engine preform better. This is why super charged and turbo charged cars need aftermarket injectors.

[@pascalkargut3237]

@@SouthernCustomCC ape hangers are ultra lame they offer terrible handling and it’s not comfortable for extended periods of time and now this bike is so loud it’s just plain old annoying even after my less then light criticism I still love your channel it’s one of my favourites I just didn’t enjoy the is particular video but keep it up your doing a great job

[@rustyshackleford309]

Lol i only clicked this because I saw u put an expansion chamber exhaust on a 4 stroke lol, too bad it doesnt help as much as it looks better than the stock pipe

[@dehoedisc7247]

Right, it doesn't help a bit with power, but it makes a lot of noise and will confuse folks.

[@lighthousecharlie6712]

I noticed that also should be a super trap

[@forresterpaige7767]

Actually might help it make power like a cherry bom

[@dehoedisc7247]

@@forresterpaige7767 "might" disappear like a puff of smoke

[@blgarage9519]

@@forresterpaige7767 cherry bomb dont make any power. They just free up what's already there. Barely.

[@ericmcginnis9413]

That 50 cc engine was sounding good through my headphones!

[@aliciaantoniadis9100]

Thank you for this one. 10.25, "The Punisher" , you really made me smile. I had the exact same thought when I was building mine. And we are far from the only ones, I actually saw one where the eyes and teeth were painted white. The guy went on, and made the entire bike with that theme. I wish you health and keep up the great work. Sincerely, Alicia Antoniadis from Sweden.

[@kjer6071]

There is a lot I don't like about that exhaust pipe, but as far as the SOUND from a wee 49cc motor idling, You Nailed It !!!

[@mikesbarn1858]

Clutch problems can usually be lack of air flow and dust buildup. Also small filter assembly on crank breather works fine.

[@shermkeys]

He's just like I am I have learned that cruising on these bikes has been the best change that I have made my bikes don't break down as much and I get into less close calls with cars now, my bike only goes 20 mph and I could not be happier.

[@theLyzhendricks]

Bbbbboooooooo bbbbooorrriiiinnngggg

[@coopercrawford5368]

Expansion chamber is only going to make a 4 stroke slower mate. They are for 2 strokes

[@brettsommer]

That is an absolutely beautiful build!

[@ericmcginnis9413]

Cool build bro!

[@pedalshredders1401]

Like those battery banks. I switched to 9 18650 lithium ion batts with a low voltage disconnect installed bc AAs just die too quick and build up internal resistance when drained too low. Another build or purchase in itself but worth it. Maybe Tell the folks batteries not included and set it up to accept 12v power for further fun. Awesome builds, keep up the content!

[@stephenfhauk]

I got a pair of those exact Ape Hangers last year, Tried them out and came to the realization that they are too bent back and had to be modified to get better steering. They through off the balance point if not bent on the up bar they would be fine. I just cut them and got rid of the bend and now they are perfect.

[@EricWebSurfer]

“if you’re not going anywhere it’s kind of embarrassing“ that cracked me up. I like it a lot! Question, wouldn’t that exhaust be dangerously close to your leg when riding the bike?

[@gta5grindzxb145]

The clutch burning up on that with the chain drive transmission is why I went with a belt drive transmission.

[@krispau8344]

Did it fix the problem? How many km/miles do you get out of 1 clutch now? Thanks!

[@grendelsgarage9723]

Thanks for the video... ❤❤

[@Gwatts78]

I like the chop echo in the pipe dude. Keeper

[@waterboy4124]

I'm loving the exhaust loudener.....

[@stubby7934]

Ahh, finally...someone who understands that torque is king!

[@HanzelFonferek]

Awesome!

[@dronepilot260rc]

I have this motor and definitely want to modify the exhaust, this sounds badass! 🎉

[@mlkebailey6665]

You rule the world, man.

[@Spacecruizer203]

if any firestorm 80s become available again keep me posted i appolagize for the mix up on the amazon

[@jerryb1234]

Great looking bike, the only thing I would change is the headlight, it just looks a bit too big for the bike, no biggy, great video, thanks for sharing.

[@ld3941]

With that pipe on there it sounds like it has a Cam. that's cool

[@ryanvanhazen2997]

The idle sounds cool 👍

[@nealminter7143]

I've got the same hypercruzer bike with the same little China girl four-stroke thank you so much for the info I'm pimping mine out too the rear sprocket was good info I bumped to a 56 so I could use the adapter

[@nitroneal48]

Sounds wicked

[@Joshuagt34]

Great video, if only I could understand those last few minuets about the light, I could tel what you were saying since the outro was layered over the commentary

[@Lukemiester16]

I’m finally getting around to building one of these now and came back to this vid for reference. So I was wondering one thing from this video- would the NT speed carburetor work better than the normal NT carb?

[@benwalter7487]

Looks very good. I have an Electra Lux 3i built in 2018. It is very difficult to get an older model in Germany. I then chose Electra because the company was founded in 1994, which is also the year I was born. I have now completely rebuilt it with 26 Abraham Linkage Monark, disc brakes, white wall tires, vintage lamp and wooden tank with pin-up girl. Thanks to the rust, it has now become a real Rat Cruiser. I'm still missing a taillight and an ammunition box as a minibar. Unfortunately, I'll probably have to get a new one for the ammunition box because I don't want the one from World War II to lose its value. I'm not sure yet if I'll install a motor. In Germany you need a class AM driving license for 50cc vehicles up to 45 km/h. But I probably won't be allowed to get a driver's license due to my mental disability and it will also be difficult for me to get approval for the Rat Cruiser in Germany. How far can you actually go with one tank full?

[@billaugustin7012]

I used the hp racing carburetor on mine and just left the stock jet in it because I'm at 1475 feet elevation and I just took the cap off of the muffler and running the 44 tooth rear sprocket and clocked it at 46 mph, I also used the belt drive gearbox because those chain drives are junk and this thing flew up all of the hills around here in Oregon.

[@datvik7187]

That's incredible please share a video up here of your build

[@landongarrett5263]

Which belt drive?

[@tristangonzales2535]

So that’s what a four stroke with an expansion chamber sounds like. Interesting.

[@isaiahderrickson584]

Where did you get all of the parts like the high-velocity chamber and the nt adapter.

[@justnolan06]

i've always been a 2 stroke guy but i might go ahead and build a 4 stroke

[@Dominickmorr5]

Please make a video on your head light set up

[@oldbonesbushcraftrodjackso474]

nice bike looks wild .

[@charlesdonawayiii3396]

Whered you get that headlight from? Ive been looking for something like that

[@st.paulmn9159]

The 144 would be great. I wonder if you could add a larger carb or modify the exhaust to make it go faster

[@sanesaint5705]

I'm putting red spoke sleeves too in the middle of my fat tire rime is all red round dots 4-in rim

[@a1930ford]

Did you end up using the extra wide crank assembly for the pedals or was there no clearance issues with the stock crank assembly and pedals?

[@SouthernCustomCC]

a1930ford : so these kits come with the wide set, this why I didn't add I as an upgrade. But, yes, I did install the wideset crank for this bike. Stay safe and happy building 👍

[@terryjoe323la]

Hey it's not a 212cc but it sounds nice as fucc bro I like it , what's the top speed and what carburator modifications you put on there I'm looking the do the same

[@BuildBreakFix]

where in the heck! Did you find a 66tooth sprocket! You should be able to start a trailer towing company with that lol

[@Gothguitarist]

Min bikes use them

[@mikesbarn1858]

Lol on exhaust pipe. Rejet carb and clear intake and exhaust ports. Skirt covers 1/4 of the ports. Needs ramped for better flow.

[@ericjohnson9080]

cool! where do you find parts like the clutch?

[@mattparker9726]

How do you not burn your leg on the exhaust? 15:20 watch the rubber inlet pipe, I have had those crack from vibration before.

[@chloedevereaux1801]

why an expansion chambered 2 stroke pipe.... with no silencer ???????????

[@dkpopatop6251]

When you change over carbs what do you do with the black hose that came from original air filter to the engine

[@v-g-z3689]

Why would you use an exhaust pear on a fourstroke?

[@mrpartridge8765]

rip my ears. that music was way to loud lol i just ordered the carb adapter for my friction drive thats on its way.

[@terryknief]

Can you link to the 60-66 tooth sprocket?

[@dilldoe4397]

Your neighbors must be like. Here comes that figging guy again

[@everydayguy1409]

I just clicked because I saw the 4 stroke with an expansion chamber

[@daArchitect-]

Is that the gear box that came with the motor kit or another? I don't like the kit gear boxes. Unless they made them stronger.

[@donavanblue9247]

Legit willing to pay to see how to & links to parts list to rig up the headlight. I have failed several times on my own

[@drdoom5022]

Same

[@gabedelgado186]

I'm trying to build one I'm stuck can't remove the pedals so I can place the sprocket

[@jakobharris2719]

So what is your top speed since you weren't going for it in video?

[@edwardavelar9479]

What size apes did you use. Everybody hating on the expansion chamber, I love it... sick bike

[@SouthernCustomCC]

Hey, boss! Thanks for watching. The hangers are 13” and 7/8” diameter. You may need handlebar shims depending on what the size of your neck is. As far as the pipe goes, I know it's not optimal, but I did it for the look and sound...no regrets. Happy building 😎👍

[@krispau8344]

Loved the video, your bike looks awesome! I have the same problem with my clutch burning out after a couple of miles. Could you tell me if putting on a 60t sprocket improve the wear on the clutch? Maybe you found some other way to decrease the deterioration of the clutch? Thanks in advance! This engine isn't worth having and upgrading if the clutch is gone after 10 minutes of riding. Until I'm able too fix the clutch problem, the engine is just an endless money pit :(

[@SouthernCustomCC]

Yes, the change is sprocket has considerably...unquestionably...and certainly allowed the clutch to survive. The gear ratio of stock is not fantastic. Put a larger sprocket on...something like a 54t or above. Just enjoy the ride! Best wishes to you, and thanks for watching.

[@nybergsgarage]

funny thing, we had a little pit bike of 50cc's, and 2 strokes with that exact transmission. our first clutch burned right up, s owe replaced it, and it lasted way longer (still hasn't worn out) I'm thinking maybe they come from the factory with crap clutch pads and replacing them gets you good pads? maybe, but I'm not sure.

[@IPCRo]

Tip: when you are going from a standpoint just pedal a little so that the clutch wont burn.

[@BestForexBroker2024]

I have just discovered some very interesting 4-stroke engines. One is Zongshen NH130 (90 usd in a local store) and is 130cc and 10 Kg heavy. Another one is AEROBS 154F at 87cc and 9 Kg. Another one is LIFAN 152F at 79cc or 93cc or 97cc or 105cc (8-9 Kg heavy and 100$-150$). After you remove the speed governor, change the carb + the exhaust and polish the ports those 2.5-3 HP will become much more than that. I will post some videos soon. These engines can be found in your local stores cheaply in water pumps ! So instead of searching them on Amazon or Ebay you better search locally for 2.5 HP or 3 HP water pumps and recognize the engine from the photos and specs. Or search for "154f engine" or "152f engine" without the brand name because many companies make them, they are Honda clones.

[@farmtruck9885]

That looks like a nice neighborhood bet your neighbors hate you LOL

[@Bl4zik3n]

Where can i buy the bracket you used to attach the light?

[@brianharmsen1330]

Could you let me know what clutch you replace it with? I've replaced mine a couple of times but not have not found a very good clutch that lasts anytime at all. Did it help much using the 52 tooth rear gear?

[@SouthernCustomCC]

I still use the generic clutches because the 52 has helped tremendously. Also, try not to rev your engine. Only engage the throttle when you want to go.maybe you already do that but if you don't, it will make the clutch last longer. Hope it works!

[@jub369]

Remove that pocketbike transmission and get a Grubee Belt Drive Transmission you will see a BIG improvement then you can drop your rear sprocket down into the 50 Tooth Area since you want torq because the Grubee Belt Drive System Come With Two Gears That lets you swap out one for speed and one for torq. also if you want the bike to look nice remove that tensionr/idle pully their is no need for one usng the correct amount of links and halfs links to get it together then roll the chain backwards on the sprocket is better then having them idle pullys on. oh and swap the cluth from a three pad to a dual pad with stronger springs youll have better,faster,stronger take offs

[@sanesaint5705]

I'm putting a baffle tailpipe on mine should help even more plus it's red matches with my bike fat tier bike it's going to be awesome

[@gta5grindzxb145]

Belt drive transmission would have helped. That's what mine has. 100 tooth belt drive and 44 tooth sprocket on a Kent Ridgeland.

[@sanesaint5705]

I'll tell you where you can get a yd100 cheap after I get mine LOL I don't want them to sell out

[@jawauncobb9300]

Sir how much do you sell the mortified 4 strokes bike engines sir ?

[@nealminter7143]

I do have a question which bistand are you using for a kickstand the one I ordered off Amazon did not fit well it was too big of a drop down you could give me a clue on that kickstand that would be great

[@SouthernCustomCC]

Thanks for watching. Amazon sells a good bistand that folds to one side. Check those out. Happy building!

[@Mo9ses]

Nice

[@IPCRo]

How did you get that carb to fit on the engine

[@filiposHondahornet]

Hi my friend where did you buy this motor from?

[@simsim7070]

Love the bike could you give me the part number and where you bought the front headlight thanks

[@SouthernCustomCC]

Head light was from eBay. 6.5” bobber led front headlight.

[@hillock10]

You went in the wrong direction. A 7/8 inch straight pipe combined with drilling out the fuel jet to 0.026 inches and a high flow air filter is the answer. The claim with this method is 25% more torque. A 48 tooth back sprocket would be ideal.

[@IPCRo]

What would be the size of that jet? Like a 85?

[@pitapitabread]

doesn't #90 to 100 jets use more fuel in the same amount of time that the engine runs?

[@user99524]

do u have links to where i can buy this stuff

[@vicentemaese4037]

Where did you get the carb kit

[@DavidKing-wk1ws]

Would have thought the straight pipe would have been more beneficial? As well as an ecotrans fuel injection setup, with an oil cooler and mabe a modified watercooled head from a 2 stroke set up if you can find one that can fit. I have seen the water cooled heads advertised to work for 4 stroke on allie express but everytime i try to find out more information every seller says 2 stroke only. Would probably half to get one of those jacket heads from another engine or get a completely different engine that does water cooling then go with the fi and oil cooling. Mabe a turbo charger? If you can find one for a gy6 im sure it could be modified :)

[@IPCRo]

Its a normal bike man..

[@sanesaint5705]

160 bucks total yd100 with the red carburetor a filter not the black one drill holes in the back for more air intake

[@mrpanda8472]

Where did you order the sprocket

[@Legendary_Child3]

What light and battery did u use????

[@tomecalm7]

𝙋𝙇𝙀𝘼𝙎𝙀 𝙃𝙀𝙇𝙋 𝙈𝙀! I have a 142f like the one you have. Just put an HP carb on it and jetted it with the lowest which is #65. It runs, but now it's way too rich. With the stock carb, the jet looks smaller than a #65, but it ran too lean. Especially after I ported the air box. I ordered #61-#65 jets because I couldn't find any smaller. I live in central FL, which is pretty much sea level. So which 5mm jets should I use, and where do I find them? OHH! Also, what do I do with the crank case vent tube? Run it back to the air filter?

[@tomecalm7]

I figured it all out on my own. I think...LOL Thank God for intelligence! What did I end up doing you wonder? Made a custom jet using solder and a sowing needle, left the vent tube on the crank case but didn't run it anywhere, went to autozone and got a$ 2 NGK copper spark plug, and VOILA! She's PURRFECT! No more too rich/lean condition. I'm still leaving the original comment just incase there is something I missed. And YES, I do run an upgraded muffler.

[@IPCRo]

​@@tomecalm7i cant block that hole with a screw or something?

[@meshue6419]

Where did you get the bobber headlight ?

[@dehoedisc7247]

The fancy and oversized air filter does absolutely nothing to increase power on this engine, but it does increase the profits of people who build and promote such things. And That is what it's all about.

[@SouthernCustomCC]

dehoe disc : sorry, hoss.... Disagree with you on both counts. Simple ’airgonomics’. 😂

[@dehoedisc7247]

@@SouthernCustomCC disagreements will happen, the issue is resolved not by argument but by the physical facts as they exist, and that is not happening here. Just claims without support. K&N and the others laugh on the way to their bank.

[@Dominickmorr5]

Please send me a link anyone that noes what there talking about I want the same carb set up as the guy in the video but I don’t no witch part to buy

[@EuthanasiaSUPREME]

Expansion chamber on a 4 stroke? And ape hangers? This is what peak human intellect looks like. The pinnacle of human evolution.

[@JoseRodriguez-en8bo]

It does look great but the fenders make a huge difference as far as looks go, but I know you removed them as a safety hazard.

[@derekpirie9188]

I have replaced the carb on my one two weeks ago. Have not changed the jet ( not sure where to get jets here in South Africa). Dropped the needle ( top notch) and is running sweet. What have you done with the crankcase breather pipe.You cannot close the crankcase off as the engine has to expel air in the downward stroke of the piston. I fed the breather pipe into the NT aircleaner tube. My Bike has the T Belt reduction 6~1 and 44T rear sprocket. My friend has the pocket bike chain reduction 3~1 and is over geared with the 48T. Not sure if the 2stroke exhaust will increase performance, it does sound good and is more sree flowing than the standard one. Just a side note : the music volume is to loud. Do you have an e-mail address that i can send pics of my Bike.

[@IPCRo]

Cant you just stick some sponge in the hole so that it filters the air? And leave it hanging I guess, cause there is no place to put it and it wont affect perfomance

[@espadadoble]

Why do you use a 2-stroke carburetor on that engine?

[@FromSaultoPaul]

OK EVERYONE... New at this and looking to build one. I done everything from welding, electrical to factory maintain. So I am very mechanical. I know nothing about the do's and don't to building one. Some say 2 stroke and some 4 stroke. I like the 4 stroke myself as I do not have to mix fuel. Can one get power and speed (up to 50 mph) in a 4 stroke? Very limited budget so I will have to build this over the winter but want it done by spring. I live 5 miles from town and have one vehicle (a 04 Jeep Grand Cherokee) in good condition. Look for an emergence ride to town so it has to be reliable, for fun, and exercise. Peddles for exercise and motor for fun. I can find a bike on Fb Marketplace or Craigslist to use as the frame. Can a 4 stroke be converted to propane? Just a thought.... Best complete reliable kit. I am looking through LOTS of KZbin's on 4 stroke but there is not very many.... Best tires as we have lots of goatheads out here that can go through a tire. yhey are like sand spears but are bigger and sharper.

[@uuu-jt6jy]

How much hp and torque dost this engine have?

[@eriklohne8395]

Where did you get the light kit

[@siklistademakina]

what intake did you use for the NT carb? and did you do some tuning on that carb?

[@HoverFreddy]

Bikeberry sells a billet intake for the NT carburetor, it can be easily improvised if you have a welding machine

[@throttleblipsntwistedgrips1992]

What trans and rear gear is that?

[@sanesaint5705]

I'm going with the smallest sprocket I want speed in the end 36 tooth hit 45 yd 100 cc

[@TheMarTianSMG]

you left the pedal brakes as main brake they fail quick, i got caliberate brakes and those loosing up brand new so seems like braking on these bikes is crazy

[@heavystarch100]

What about the exhaust gas line that leads into the side of the stock carb box?

[@SouthernCustomCC]

Hey! Thanks for watching. It’s a different carb and a different exhaust... the extra line is eliminated.

[@SerbanMihaiDaniel01]

Hello from Romania, one question for you ... Would you prefer more a 4 stroke kit or the 2 stroke ? I'm about to build one and I have doubts about the 4 stroke and the clutch issues ... And for the 2 stroke I have doubts about the noise ... Could you help me out with a suggestion ? I enjoy riding on hils and valleys ... Which one would be better for me ? Thanks

[@SouthernCustomCC]

4 stroke is lower maintenance and more reliable overall. If you get the 4 stroke, make sure you get one with the belt transfer case and NOT the one with the silver chain pocket bike transfer case. Spend the extra $ to get one with that case. Also, consider a bigger, rear sprocket for more low end torque to get you up hills. Overall, you call. Happy building

[@SerbanMihaiDaniel01]

@@SouthernCustomCC 🙏 thanks for the reply 😀 🎉

[@AB-kg6rk]

Nice machine, but why the extra noise? Do you want more laws restricting these bikes?

[@exoticg9]

a 2 stroke exhaust on that 4 stroke motor wont do nothing but add more weight, still, looks cool

[@elpocasombra9237]

It will add backpressure, wich will make the bike slower