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How to do a Scooter Valve Adjustment - QMB139 / GY6 - Step By Step by Bintelli Scooters
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- เผยแพร่เมื่อ 22 ธ.ค. 2014
- Learn how to adjust the valves on your gas scooter or moped. Jason from Bintelli Scooters takes you through an in depth, step by step video of how to complete a valve adjustment. Visit us at www.BintelliScooters.com.
No matter what brand of scooter or moped you have, the basic principles of valve adjustments is overall the same. This is a very in depth video that if you follow completely, you should be able to use to then properly perform a valve adjustment on your Chinese scooter or Chinese moped, no matter if it has a 49cc or 150cc engine size. We recommend that all scooters, mopeds, and motorcycles have a valve adjustment completed after its initial 500 mile break in period.
If you are interested in purchasing a new scooter, please note that all Bintelli Scooters come with a 2 year limited warranty, nationwide dealer support, NGK Spark Plugs, Deni Carburetors, Duro Tires, Gates Belts, Halogen lights, Stainless Steel Hardware, Motobatt Batteries, and more! Visit us online at www.BintelliScooters.com and to find a dealer near you! If you're interested in becoming a Bintelli dealer, please fill out the application that can be found on our website. Thank you for watching!
Damn this is THE best scooter how-to video ever!
Every source I've heard from makes this task out to be difficult. Thank you for giving me introspect on the situation
That was a prim & proper explanation. Thank you for the video. Time for my 150cc JiaJue timing to be done!
Great video, time to adjust my scooter valves again.
Talking in absolutes is very reassuring.
Great lesson 🙏
Thanks a lot Obi Wan
9 years later, yeah this was fire, bro was cooking fr fr ong ong
Huh? 😒 In English, please
@@scooterman7098 i was porously being cringe lol, so that in 10 years from now people see my "modern speach" and there like what the hecks
@@MangScoots OH! Well mission successful! 🙂
Awesome video. Thank you for sharing this👍👍👍👍
this video is very helpful, thank you guys
Hiy
GREAT INFO,THANK YOU
Your the man.thanks for sharing
Thanks great job
"Go back and recheck it"
AMEN!! Things move when you tighten them.
Nice video.
.. I just finished making these proper adjustments as per done by your Instructions .. Your Info seems to be consistent, so I do believe it's going to help me tremendously .. I will be back with ya, to let you know one way or the other,but I really don't think I'm gonna have any problems .. Thanks much, and thanks again :)
sqrlyman1 You are welcome! Please like and share the video if you liked it!
@@BintelliHQ helo I have a romet 125cc Chinese scooter and as same like you did in video valve adjustment the repairing man also do same like you and it starts fine and when I Ride my scooter in Snow Fall and raining day it won't start when I give race no start can u please what is the main problem of my scooter..I hope you will find my sloution and hoping to get reply from you
@@KhrissZaitsev I have a chinese KSR 50cc scooter, i have located the metal stator but no "T" marking?? Any ideas please? xx
Thanks brotha
Thnx buddy
The best explanation I've ever seen about valves adjustment ✌
Great work ❤
Thanks for the video bro.my scooter has 10615.1on the dash..what should i set mind too..please help..
Is the 2013 Edge the same layout? I was told I need a valve adjustment, however the dealership in my town refuses to work on it for me.
hello i have a taotao 49cc moped which i have problems starting it turns over i checked for fuel and spark has all that the only way it would start is by me spraying starter fluid but when warmed up i can turn off and turn on no problem but when cools down same problem cranks but doesnt start any ideas on y
I decided to open up my speedometer case up to see how the miles tracker and speed cable make the orange needles turn but after reinstalling it on my scooter the needle for the speed no longer moves it is literally stuck and wont move unless I push it with little force and I'm thinking that it may just need some lube since I woke the thing apart or something, any thoughts on a fix ? taotao 50cc gy6
I have a 2013 bentelli sprint bought used and the tapets are on the outside of the locknut not on the inside. is this something the previous owner did by mistake? It still ran up until I put a new exhaust
hi.When IM put the vacuum lines and the engine stops.. when remove the engine works well..so what's the problem? please MY 150cc
Should the exhaust side of the value move a little right to left? The intake valve doesn't move at all right to left
i want to install a big bore kit on my bintelli 2016 moped scooter please provide bold tuque speciation's for this year and bolt pattern thank you
How do I do this on a Bintelli breeze? There is no “front access panel” the body goes all the way around and the panel your feet rest on is all one piece from the front to the body. Sorry I hope that makes sense. If I can’t remove it can I still do this, or if I have to remove panels, I think I will have to remove all of them?? Thank you!
what could be the possible reason why my scooter engine dio 4 af57 have noise inside (tik tik sound during idle mode and a little bit press on the gas throtte, God Bless..
i have 125 scooter, valves adjusted, carb cleaned, good spark and clean gas flow. it wont start at all. what am i missing?
Hello, my scooter been sitting for a couple months and when i turn on ignition there is no sound coming from the fuel pump do you have any idea what the problem could be ? Thank you
At 0:22 - do any of your more advanced DIY customers do their own valve adjustment and still keep the warranty?
I feel better bout have to do this to my 2023 bullet
What about lexmoto 125cc. I think its copy of this engine. What valve adjustment should I do
Hi, my scooter was making noise, I did the valve clearance and it was solved, but after two days it's like before again. What could be the causes and how could I resolve it?
Hello can u tell me i have got same problem in Valve Romet scooter 125cc and when start its works perfectly but at morning it wont start and same like you the repairing man do it on my Valve and it start can you tell me how to slove this problem do you have better idea..please let me know????
Do you lift up on the tappet arm or leave it rest while doing an adjustment
Spencer Valentine At top dead center both valves are closed. your keying on the clearance between the tappete n valve end that's it. follow the video.
Just did a valve adjustment, valves were really tight, after doing the adjustment I now have LOADS of oil spewing out, I took the cover off to see where it was coming from and its literally pouring out from in between the rocker arms, possibly from the groove on the top left rear of the rocker arms, do I need a new cylinder head and rocker arms? Thanks
Did you use imperial or metric? Am guessing that as this is a US video that 0.003 is not the same. Also did you ensure cover was fitted correctly?
thanks for the video, it helped me to ajust my gy6 150cc ,my scooter would not start before I did a vale ajustment, but after it still won't start, I did a compression test and im getting 65psi what can I do? where am i losing compression? please help
GY6 149cc Tune Up Specifications....
.003 - .005 Inch : Intake
.005 - .007 Inch : Exhaust
( .076 - .127 Metric : Intake )
( .127 - .178 Metric : Exhaust )
Idle Speed : 1700 , +/- 100 RPM
Spark Plug : NGK C7HSA
Spark Plug Gap : 0.6mm - 0.7mm
Engine Oil : 15W40
@@noneshere please suggest gy6 100 cc scooter tune specification
can it work on honda 50cc?tnk u
Is this tue same f9r a 125 longjia engine
Will that make your scooter slow if they are lose
Commenting 6 years later but when i accelerate i can hear a rattling sound from about the valve, what do i do
I replaced everything on my 150cc scooter and I have great spark compression and getting fuel it rolls over but won't start so can anyone tell me what to do from here
Why not remove the spark plug first?
Are the gy6 engines supposed to have a loud ticking noise after valve job?
no to tight
Hello there well I have a buddy scooter 150cc did everything to open it up .. now on my wheel it has two markings one is a straight line runs across let’s say 9:0clock and 3:0clock when in that position it has two holes 12:0clock and 6:0clock one hole has a marking the other has no marking which one should I use as a guide .. the scooter was having a hard time starting once started it ran no problem when ever u stoped hard to start again .. did the adjustment on a other scooter except the shim were .006 so I would close off air to air box it would puff then bing it would start checked for old bad hoses replaced one the gas filter was black yellow no question there I know mechanical basics
If the piston is TDC : then both camshaft lobes should point down torwards the piston top.
do you think by doing a valve adjustment, it will cure this problem?:
scooter runs excellent. low miles. dies out when running a few miles, and wont restart till it cools down. then it starts and runs normally again
Possibly if the valves are tight, you should check them just to eliminate the possibility but it sounds like a fuel delivery problem.
Where can I get any information on Bintelli Valor models? I can’t find anything online, even my manual is for another model. I love my scooter and want to maintain it but it’s hard not knowing a lot of the actual info on it.
I'm a retired auto mechanic I hope the information I give you will help you it is so very important on scooters to change your oil and to use the correct weight of oil have your valves adjusted at 500 miles I change your oil at 500 Miles when you get your scooter I also change differential oil at 500 miles that one thousand miles I changed my oil and I also changed my differential oil because the differential when is swearing-in just like a motor you will have break in particles and the differential also I strongly suggest change your oil at 1000 miles truthfully it never hurts to change your oil every 500 miles the cleaner you can keep your motor the longer it will last I would also change my differential oil every thousand miles me personally because a scooter does not have the oil filter like a car and scooters are droven at top speed I change my oil at 500 miles and I change my differential oil every thousand miles this way my scooter won't last a long time also you need to check your brake fluid if you have a master cylinder on your scooter and I suggest bleeding the master cylinder once a year to get all all of the old brake fluid I hope this information will help you and have a wonderful day
Will valve not make spark plug spark.i got a 50 cc toa scooter it has no fire everything new.on it but not engine
cdi box
ignotion coil or stator
You think this may have any connection or solution as to why My scooter may be randomly stalling on idle? I mean once it's been running for a while and I'm at a red light, I may randomly stall. But starts right up with a little gas.
Clean your jets
Where would the valves be located at on a Vento Triton R3 scooter?
What the specs for the valves on these?
I removed the spark plug & cylinder (under oil tank), I see no cams.
angelisone it’s a 2 smoke only 4 stroke got valves
what does the 3 thousandths and 4 thousandths look like on a a feeler gauge.
tjay ismael .003 .004
Jeffrey Peterson
thanks man.
+Jeffrey Peterson i have feeler gauge tha says .008 on top amd.203 mm on bottm
Gy6 50cc scooter
How many intake valve mm?
How many exosz valve mm?
0.08mm to 0.10mm on both valves according to the video or 0.003 to 0.004 inches. I preferably go with 0.08 on intake and 0.10 on exhaust.
Can not doing a valve adjustment affect the scooters top end speed?
wont idle good and can sometimes hear them chatter
yes
How many mm of suction and exhaust. Must be.? Feeler gauge: Available in 0.05mm /0.10-0.15-0.20mm
Its .005 standard inch , not .05
(.005inch=.127metric)
nice 'how to' vid, i appreciated the attention to the parts about going ahead and checking other maintenance procedures while anyone is at that point may as well check... but this instructional completely overlooked inspection of the valve cover 'gasket'...?
Awsome video,,,easy to follow and understand Thank You
Yes, make sure the gasket is correctly back in place when mounting the cover back, otherwise you will have an oil leak
hey man. i have a Jonway galactica 150 i changed the cluch as well as the variator and my belt seems to be in shape.. i have lost power for some reason "all of a sudden 😔" in my manual book it says the valves clearance should be 0.12 in and out wich is abit big to what u suggest for a Gy6 weather 50cc or 150 as per ur discription..
i have set it to 004 on both in amd out bt im still not satisfied with the performance.. i am to try and set the intake to 003 as u suggested and i hope it will make a difference.. will change my C7hsa plug aswell wjen i do the adjustment... Any expert advice much appreciated thanx..
nkosikhona ezzyboy spelmandla my scooter also says set it at 0.12. How is yours running now that you set it at 0.03?
@@mr.funkateer482 I actually had to sell the scooter coz it was giving me headaches... i found out that i was also losing spark coz the idiot that worked on it before me stripped the plug threads on the head... then the carb was all dirty... i just decided to let it go... im enjoying walking to work and using public transport for now...
nkosikhona ezzyboy spelmandla wow that sucks!!! That’s why I’m only letting one person work on mine! Hopefully you get another one soon!
my Tao Tao 50 moped will start and run for about 30sec then die but will start back with a little gas then die again after 30 sec will the valves make this happen
Yes it will. Tight valves will cause stalling and hard starts.
my sl 250 2 engine turns but will not start
steve rust I have the same problem. Did you fix it??
steve rust ?
Could badly adjusted valves cause no start
I just bough a Bentelli Bolt and put 1900 miles on it, Havent got any work or tuneup done to it, What do i need to get done to it if anything? Its been running great has died wial ridding two times but other then that its doing good. Do i need to get a tuneup, Valve adjustments, Oil change, ext?
Warren, please do not continue driving it! The fact that your engine hasn't completely failed is lucky to say the least. By now you should have already had two oil changes and a valve adjustment. Your engine probably is damaged from the lack of proper maintenance which is why it is turning off. Please consult your warranty and user manual for proper maintenance intervals.
Ok thanks for the warning, I just dont know anything about them, Where can i take it to get a tuneup? The oil looks good its not dark at all..
You can find a list of all Bintelli dealers on www.BintelliScooters.com, but you can use any service center you'd like.
@@BintelliHQ I have a 2019 49cc Beast what are the specs on adjusting mine it has 1000 miles
Adjusted valves to 3 thousandth on intake and 4 thousandth on exhaust but I'm still only getting 70 psi of compression. What else could be the cause?
Doug Russell rings might be shot
Doug Russell
Piston rings.
When is a good time to do this. When you first get it, during break in period or after?
+vettstunna Ideally after 500 miles is the best time to do the first one.
Nice, thank you! Safe riding!
@@BintelliHQ I have a 2019 bintelli Beast 49cc is it 3 for the top and 4 for the bottom just the same as this Sprint video could you please reply because mine is chattering a hair
Does the oil need to be drained first?
No
Motorcycle Honda spacy skoter 100cc model 2005. I won't namber felar in (oil or benzene ) and namber felar Exhaust
Gy6 49cc or 72cc valve in:0.003", ex:0.004"
Have I got it right?
L
😂ggßxzzxcad fa,
Is my feeler wrong? I don't see any numbers in the thousands on mine. I only have 0. numbers and other mm numbers
You ended up buying a metric set of feeler gauges but some feeler gauges have both ASE and Metric on the feeler gauge hope this helps you I'm a retired mechanic I suggest having a trained professional to your valve adjustment any vehicle it is so very easy to adjust the valve the way you do not have enough clearance if you do not have enough clearance you will scar the cam on your scooter or vehicle I strongly suggest you have a trained professional not a neighbor down the street but a trained professional to adjust your valves on your scooter or vehicle help my information has helped you
Hello just ask something how did you know when the piston in top as u said but it doesnt ahow in this video
Marc U Using the timing mark on the engine casing as a guide, rotate the motor until the mark on the stator lines up with the mark on the engine casing. That ensures you are at top dead center. Thanks!
When the Piston comes down then it will come back up and create compression if you stick your finger over the spark plug hole you will feel air pressure wanting to come out of the cylinder through the spark plug hole also on one side of the plate on the side of the scooter you will find markings to show you where top dead center is on the crankshaft and there will be markings on the camshaft also when both valves are completely closed that is the compression stroke I hope this helps you and have a wonderful day
Put a zip tie or plastic straw in the spark plug hole and feel the piston hit TDC as you twist the fan
My 50cc scooter use to do 45mph now struggles to get to 30mph.. everything on the scooters been checked and replaced except the valves it has 4400 miles on it and a Valve Adjustments never been done to it.. Could this cause a significant drop in Top Speed like 15mph?
And side note there is a loud ticking/tapping coming from the valve cover that wasn't there before..
+Christopher Spohr same here! have you fixt it?
this issue is happening to me as well please tell me if you have fixed it
it was the vavles .003 for intake .004 for exhaust problem solved
if your exhaust valve is open to far a lot of your compression will leak out. and if its to tight it will make back presser and decrees you power. makes your eng. fight it self.
Remember that feeler gauge is in milameters not inches .if u do this and it dont run or run right check and be sure of gauges also be sure to spin motor a few times and re check adjustment before putting back together .do all work on cold motor only.
Why when at top dead center would both valves have so much clearance?
just do it
Yes, there has to be complete release to allow valve spring to come up and close the valve. 3/4 of the cam rotation there should be a tiny gap.
what if you turned timing too far how can you fix it
Buy a new engine
I'm a retired mechanic my suggestion is this adjustment is very critical a little too loose it will tap a little too tight it will starve a cam so my suggestion is take your scooter to a trained professional and have them adjust the valve I do not recommend a person who is not a professional mechanic to make this adjustment adjusting valves is a skill not everyone has the ability to adjust the valves properly the man in the video makes it look easy but trust me on this take your scooter to a trained technician at a shop not a neighbor don't take it and have this adjustment I'm down the street at your neighbor's house take it to a regular scooter shop to have this adjustment done properly also you need to let the scooter set overnight to let the motor cool off completely before this adjustment is to be done I've known a lot of people who watch videos and thought they could do this adjustment correctly and ended up messing up the camshaft on their vehicle I strongly suggest taking your scooter to a high quality scooter shop and have this done by a trained professional I hope this information has been helpful to you it is very easy to accidentally adjust the valve to lose or if you adjust the valves where tight it will scar up the cam of the scooter so please take your scooter to the shop and have a trained professional adjust the valves for you it's really worth the money to have it done by a trained professional
I did it myself and was easy and came out great since the first time, what is that a "professional" mechanic do that you cannot do in a simple task like this? The fact is that with internet and youtube videos and lessons, people with some mechanical attitude (some people no matter how many lessons they take, they cannot hold a screwdriver in their hands) can do lots of jobs and repairs that before were prerogative only of mechanics, who often ripped off people since they didn't know what exactly the mechanic was (and wasn't) doing, I have been doing all sort of repairs on my scooter (variator replacemen, belt replacement, clutch replacement, valves adjustment, oil change, (both motor and gear), throttle cable replacement, tire replacement, Bendix replacement, and a bunch of other stuff, always using youtube videos (the good ones from "professional" mechanics), and always came out good, even did breaks replacement on my car, tie rods replacement, oxygen sensors replacement, some other engine parts replacement, and my biggest problem always was not having the right tool (as one of my old boss used to tell me "the tool makes the master"), that is why I started investing in tools (pawn shop are a great source of them), some of those repairs would have costed my a fortune before internet, because i would have had no clue how inexpensive and easy they were to do (that is why dishonest mechanics hate youtube and internet, because now people can educate themselves, checking what is the repair about and the cost of parts, and has become a lot more difficult for them to ripoff people). Going back to this episode, a prefessional mechanic would do exactly the same things the guy in this video did (maybe he is a professional mechanic), and, as appears, its really not that complicated to do, believe a guy that did a couple of times already.
I stripped my spark plug so I had to replace my head. Was not familiar with top dead center. Took chain and camshaft off. Now cannot get it time to write. Some people say that he and the flywheel couldn't be an inch or two either way. I have it right on the mark now and a sprocket the big hole is out like top dead center should be. how can I be absolutely sure where top dead center on flywheel is. without going by T line. I heard a trick you put a straw inside spark plug hole and spin flywheel when straw is fully extended is that top dead center ? correct?. Please help. I can't adjust chain and everything. Just want to be sure I have it right this time
I've never did valves on a scooter, but have many times when rebuilding car eng. same principle, take a straw , wooden dow. rod any thing the won't scar the top piston.. in sert in plug hole, rotate eng. and you can fill when the piston comes up and then stars to go down, as it start to go down try to bring it back up. when your at the point were its not going up or down that's top dead center..
Thanx
jim crabtrey Don't remove the spark plug on a hot engine that will rip the threads too
how much is that in mm ? like the .004 is like 0.1016mm ?
.003 inch = .076 metric
.004 inch = .102 metric
.005 inch = .127 metric
.006 inch = .152 metric
.007 inch = .178 metric
@@noneshere Gy6 49cc or 72cc valve in:0.003", ex:0.004"
Have I got it right?
my belt got changed and now my moped dies all the time and only goes like 20km and feels lile sits about to die on me
cam Andrews-Bisset probably the new belt is a little bit shorter or loose than the old one.
my spring came off. what's the best way to get it back on
Gino Foogle 😂
Very helpful, the audio is very quiet though, autoplay started a scishow video and woke my girlfriend up
is that adjustment the same for 150cc scooter
For 150cc GY6 Engines, they recommend .004 - .005
GY6 149cc Tune Up Specifications....
.003 - .005 Inch : Intake
.005 - .007 Inch : Exhaust
( .076 - .127 Metric : Intake )
( .127 - .178 Metric : Exhaust )
Idle Speed : 1700 , +/- 100 RPM
Spark Plug : NGK C7HSA
Spark Plug Gap : 0.6mm - 0.7mm
Engine Oil : 15W40
for 50cc için valve in-out ? how mm.
sorry. Phone is broke. Using the voice text. Hope you can decipher it
0.04 and 0.04?
Why I do not feel fuel when I put finger in spark plug hole? I’ve changed fking everything and my scooter is almost brand new, I have spark, good electric, new CDI new carb, new hoses, new fuel pump and no start
Those are some tight gloves.
chasiu75 you're fucking weird
2 stroke scoots are better I'd prefer Reed valves insted of a whole system
4000 of inch and then 9mm socket drives me nuts when people can’t stay one way or another 😎😎😎
Who can do the work for me in Indio, CA?
Looks like no one
Ain't shit to it. Different valve clearances from video to video. I do 4 thousands on the intake and 5 thousands on the exhaust valve.
Manual says do both at 0.05 though. Is yours running good at 0.04 intake. Do you have enough top end power? I am about to do valves so gathering opinions. Thanks!
so wrenches in mm and feeler gauges in inches...guys this is very confusing cos there is 0.004 mm and inch which are not same....make it clear...o.oo4 inch is 0.1mm hmmm
Naw, you just made of stupid
Question - Why isn't this shit already done before you buy it?
Alec Prince
Thanks Alec!
+Alec Prince how do I find top dead center? I have the team are lined up and a camshaft lined up. had to replace it without knowing about TDC. Now it is not right. How can I find out when flywheel is at top dead center so I can adjust chain on camshaft
it is, but when breaking new metal expands from heating up and cooling down. the longer you have it the less you need to do it. but still cheek it after every 5000 miles. I had new Honda moter cycles 600 cc shadow's only adjusted once every 15000. no prob.