DIY Gy6 Scooter 50cc to 100cc Kit
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- Опубліковано 25 лип 2013
- In this tutorial I show you how to install the 100cc big bore kit, easy step by step instructions. Fit's Gy6 139qmb & Ip39qmb. DIY Gy6 Scooter 50cc to 100cc Kit
LUBE YOUR PARTS! I LUBED MINE BUT LOST THE CLIPS SHOWING THE PROCESS. lube your piston rings, cylinder walls, wrist pins ECT.
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#50ccTo100cc #ScooterBBK #50ccBBK - Авто та транспорт
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+Nthefastlane will it be noticable to the authorities if i do this????
Nthefastlane i need help cold it be the fuel pump wean I gave it gas it die on me
Nthefastlane would it be a little better if i ran straight pipe moneys kinda tight on bigger exhaust or normal exhaust is better please hmu
You should do a video of port and polishing the exhaust and intake port to a bigger intake and exhaust size since these engines are badly restricted of exhaust and air flow to promote better combustion in the combustion chamber while running and the moped i have like this runs much much better with a port and polished head with a unrestricted straight piped exhaust and putting bigger valve seats in the hemi type head that's pretty funny these engines have a very small hemi engine in these scooters and I think it's funny to say YEAH ITS GOT A HEMI
I believe when you bought the full kit , they include a H.O oil pump to deliver more oil to the bigger top end or so the say & u have a big enough pump to run a NYC oil cooler. So they say couldn't tell the stock oil pump from the extra in the kit . I'm not 💯 for sure nice clean big bore complete, I have to actually pull my motor for a big bore frame is smack in the way for 150 to a 180cc & 30mm carb get ya moving
Fwd great vid !
hi im going into a engineering school. Im not a professional yet but i think you should lubricate the piston and its componets to avoid any internal damage at the first startups!
What you a fu... Russian
Exactly my thoughts.
Not to burst your bubble, engineers are not mechanics. In fact mechanics do not usually like engineers because you don’t make things functional.
@@MrSagerific95that may be, but engine assembly lube exists for a reason
@@Andy-df6gm as a professional mechanic and engine builder I agree 100%
Great video, very informative and well shot, much better than many. I've watched over a dozen videos with different motors, different kits all to get an idea of what problems others run across. Generally, they are all similar.
Anyway; None but one ever mentioned using assembly lube for re-installation. As cheap as that stuff is, I believe it is a must do step. Or at least use regular motor oil, (preferably heavy weight/thicker oil). I use a restaurant ketchup squeeze bottle and use straight 50W oil when I can't find my assembly lube. It sticks better.
You should pre-oil the wrist pins, the rings and cylinder, the lifters, (both the pivot points & all contact points), the chain tensioner as well as chain and sprocket. Any metal to metal wear points.
Then before you replace the plug, either hand turn or use a drill or the starter to turn over the motor several times to start the oil pumping through the engine before a hard start.
Then no matter how well oiled, let it idle for a minute or two to help seat everything then a short test drive, (short, no over revving or speed test). Then change the oil. Any metal shavings need to be removed right away. One video did mention to get a magnetic oil drain plug, good idea with or without a rebuild.
That is just my two cents worth; "An ounce of prevention is worth a pound or cure".
This is just a suggestion for my knowledge. I would love either a video or at least information on what the best setup would be for different size rebuilds, like, this 100cc upgrade, the best clutch setup, lighter or heavier weights on the flywheel, best carb jet size or better yet carburetor to replace, what CDI to use, etc. etc.
Thanks for the video, you did a great job.
49ccscoot does alot of the test this against that etc
i'm a computer guy, and i learned quite a lot from this video! i'm far from a mechanic, but i'll have more confidence tearing apart a motor now.
now to find a scooter project :D
Thanks for the video!
Makes want to try to work on one
Thank you for supplying a link for the parts. I can't wait to make this change to my scooter :)
I like your video! Informative and educating! I was impressed that you did your homework when describing the difference between the P39 and 139 models! Kudos sir! Kudos!
No gasket for the chain tensioner? You are a badass
Was just thinking this
The video was long but very informative, tink u did a great job too, I have a 125cc but im gonna get an upgrade kit of maybe 170 cc and also rejet my 26mm car, , hopefully I'll be on race track soon
you gave yourself extra work taking off the throttle cable
great installation haha he didn't even lubricant the cylinder 😂👌
Dam what carb is good to use
Some tips:
When attaching the piston, already put one of the clips in the piston before you slide it on the crank. Easier ;) And very important, lube the piston and cylinder with engine oil. Don’t slide it on just like that. Same when montaging the headbolts, lube them and make shure the threads are clean before you torque them.
The piston rings and piston were lubricated prior to assembly. I believe what happened was when I was recording I pressed record for the second time and accidentally stopped recording. Lost the footage
@@Nthefastlane ah ok :) what weight rollers do you use in youre scooter? I got the 50mm kit as well with a 24mm carb and the head with larger ports and the performance camshaft. The scooter pulls well till about 25mph, flattens and starts pulling again at 30, maxes out at about 42mph. I got 6,5gr rollers and a performance exhaust with 27mm downpipe and a fake yoshimura muffler.
Anytime, glad to be of help!
Did the same on my 2006 peace motorsports 50, previously bored it to 80cc and just recently went to 100cc and trust me on a50 with the small tires 65mph is almost to fast unless it's a nice smooth surface, I have to also be careful not to get caught speeding because in North Carolina anything over 50 cc and goes faster than 35 requires a motorcycle endorsement which I don't have, but anyways it really helped with the performance I also put a performance muffler and coil as well, down hill probably 70ish but i havnt had the balls to try it 😆. Tags and registration 24$ and 12$ a month insurance with Geico.
Hey thanks for the extra input, Appreciated..and thanks!
Great video, hopefully its as easy as you made it look.
Bro, thanks for this video. I recently got a rundown 2003 qingqi moped, and I'm having a hard time with it. I have no idea what I'm doing but this video is making the project less intimidating .
When u get the chance can u do a reverse video putting the parts back on?
Thanks I appreciate this video very much.
Great job doing the change over
Thanks for the tip james.
Awesome video man, really detailed. I was worried about tearing into this thing but I think I've got it down now!
aaron71 You got this 👊
you did not use any assembly lube or oil
Hello, great video, and great explanation. Congrats! I have a baotian bt49qt with 139qma engine ( I assume it is the same engine as 139qmb) and it has lack of power and much blow-by at the cover vent. Where i live they don't sell bbk's, however they sell cylinder, piston and ring set for 80ccm, so if I go with that set would I have to change cam head and/or anything else like carburetor? Thanks
going to install same kit this is going to b a big help thanks
And... converted. Thought I was going to have to drop the engine to make the swap, but everything you have removed is no different than what I have removed from my own scooter for other related maintenance. Thank you for clearing things up.
Bryan Butler Anytime Bryan, glad I could help!
@@Nthefastlane thoughts on polishing piston face?
Good job kid keep up the good work Steve from Annapolis Maryland
excellent work 👏
Dude this is Gold!!! Thanks bro!!!
Thx, for the great tut, learned alot !!
That was a great job Man!
Great video, Im looking at putting in a 80cc kit, so far I have the piston, rings, block and cam. Do I need to replace the carb or ignition system at all?? great videos mate very informative.
This video is great. Thx dude
I really appreciate this dude.
Cool video enjoyed it💪🏻👍👌
Thank you for the video. I have the same scooter. I will be doing the same thing in really soon.
Thanks for the video! God bless :)
Hey my friend I've been building engines for 30 years they're called dowel pens repeat dial pens they're not shims shims is like a flat piece of metal that you put between two other pieces of metal that is a dowel pen and you can look it up Google it to be correct just trying to correct you you doing a good job keep up the good work still got a lot to learn
Actually they're "Dowel Pins" not "Dowel Pens". Maybe autocorrect? But you are correct.
I'm not sure why I said shims, I knew what they were. Sometimes thinking about creating the video in the moment and paying attention to the work you're doing gets things mixed up sometimes.
Whenever I've done a head job I always use some oil on the cams etc helps with the first start no cooling cover not a good thing.
Nice one!! Might wanna let it idle for an hour for breaking in purposes before reving hard
Thanks for doing this vid!!!
Great vid, btw what size jet did you end up using, did you have to change anything else in carb dept.? Thanks again!
Great howto vid dude ! just subbed :)
Awsome dude. Very helpful. Want to ask u. I want to use a performance air filter but not sur what to do with the crankcase vent hose. Where should it go since no nipple for it in the performance air filter?
Thanks a lot man !! very usefull ! Watched From France Toulouse and gonna do the same thing on a 50cc peugeot vclic !
Excellent DIY!! I have a question for you. How did you go about cooling this engine, as the stock cooling shroud no longer fits.
Great video. Question though, did one of the new rocker arms not slide into place easily? For me, one fit perfectly, the other will not fit in between the two walls.
You forgot to lube the piston and rings + cylinder!
And i installed a 80cc cylinder today and used some oil in the cylinder and piston. No smoke at first start up ( without exhaust ofcourse )
daand12 I dont know or any cops that carry micrometers.. just sayin
@@nctrooper10722001 iv had a bike impounded and checked before dude. Its not worth it.
@@nctrooper10722001 no but they don’t care anyway you’ve lost some compression and power because of excessive wear ;)
nicely done video
Thank you for your video. I have a question, I have a Lance Cali Classic 50cc , How could I change it to 100cc. Thank you.
Thanks Don!
Really informative Gj
svaka cast ljudino
@Nthefastlane Isn't that rod going to break under that much compression? u need to change to a stronger rod aswell?
Good teaching!!! Thx
Very nice DIY video, What your scooter brand, I have 2009 KYMCO Super 8 125cc all stock, what basic upgrade do i need beside upgrading to high displacement? Thanks!
Do you have issues with floating the valves at WOT? My scooter with a bbk will start lurching if I ride too long with the throttle wide open.
friend what the key measurement you used to regulate the valve clearance
Awsome!! how much faster did it go after all the mods?
Great video man I feel confident to DIY is the kymco 2017 super 8 x50 the same motor??
does this owrk on a ruckus just the bore size no other mods like the stretching
Love ❤️ you Guys great 👍.
Hi guys I want to get this kit for my bike but was wondering would it work with the 125cam an what valve clearance do I need ?? Thanks an Il look forward to ur reply 👍
Hey Elton,First make sure you bolted the 2 Black ground wires to the valve cover..without those you will not have enough ground and the lights will be dim.
what is the proper way to break in the big bore kit?
right good video worked for me
Do you have any videos on adjusting steering on a kymco super 8 x50 or similar
Thanks!
I left the shroud off, the fins on the cylinder head act as a heat sync, just like a computer heat sync on a chipset. Been running it for months with no problems.
Good piston ring installed
hello the calibration is the same for the 80cc kit?
incredible and so nice motobike love lots your video .
Hey Brian D,First make sure you bolted the 2 Black ground wires to the valve cover..without those you will not have enough ground and the lights will be dim.
you make me wanna upgrade my scooter!!! haha
Will you ever do anything with a Whizzer motorbike ? My only changes I did on mine was the high compression head, echo pipe and twist grip controls. Before it was 2, 5 HP and 35 MPH. after 3.0 HP and 40 MPH. I was 16 then, now 80.
Good advice about the rocker arms, however, just for trial and error, I tried to put the rocker arms the wrong way and found it’s not possible. The casing will not allow the cam shaft to fit. I did find it WAY easier to oil the cylinder before installing the piston.
I just got a yellow spring 1500 rpm for my clutch but the small springs on the clutch are red. Should I use all the same color?
So I just finished throwing this kot on my 2013 taotao and it runs good (minus the jet in the carb I need to do). however, I feel like it drained my battery because nowmy electric start is like dying. do I need to do like a battery upgrade with this kit?
I'm getting a Peugeot v clic 50cc, how can I make the most power out of it?
Im getting that kit. But aint no way i wanna tackle that. I got a buddy for that.
But i did put a clutch and variator yesterday. What a difference it made.
does the kit online come with the carb that will work with the big bore kit or do i have to modify the carburator?...also will putting a no limit cdi in my taotao vip raise the rpms?
Ken Paecht is your scooter running??
wow THANK YOU !! WOW !!
@Nthefastlane I see you're using the a 150cc header pipe with the bbk.. Did you drill out the holes on the header pipe or find an adapter to make the pipe fit properly?
Thanks man for the awesome video !
can i do something for my honda elite 125cc scooter ?
I need help
any tips on taking out the rocker arm stud thats not EX
Do you need to change also the up side or only the two partz
So what would happen if I left the same carb on the moped? And do I need to buy all the things u did or just the gy6 big bore conversion kit
Great vid man wouod tht kit work on most 50cc scooters? Also is it necessary to change jets n rollers??
Quality video
Good Stuff gy6
hi i have an ice bear 150 cc trike 4 stroke, do they have a hop up kit for higher cc ?
thank you brother
When I pulled my 50cc off mine it had a total of 6 guides or shims . Should I install them just like yours for my 100cc big bore kit. Is that just how the 50cc is?
Where can I get the cover under the seat from? Because mine is missing
When you thread your timing chain can you use a magnet
Can you put this kit on a 49cc icebear mad dog
did you have to install a new oil pump?
someone please reply. Can I do this to my 50cc vip scooter?
No matter what I do to try to get the pins out for the rockers it's not working is there a special tool I can buy or use to pull those out?
Thanks for the video man ! , i have a scooter liberty bws 50cc max speed is about 65km/h, if i installed a 100cc kit how much can reach ??
Probably around 80kmh
When I was young, I was good with LEGO.
And
40 people understood this and i am not one
@@BigBoyMemer It means when he was younger he was good with lego and at the same age, this guy is assembling an engine in a scooter; which is a more complex task.
@@sebikelife1262 The joke is that when he was younger he was good with lego and at the same age, this guy is assembling an engine in a scooter; which is a more complex task.
You have to use different rocker arms because the original ones don't reach the valve correctly.
My kit only came with one set of rocker arms do I use the original ones or the ones that came with the kit?
Good work