The Ultimate GY6 Engine Build - LIVE Series [EPISODE 1]
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- เผยแพร่เมื่อ 21 เม.ย. 2021
- This video was a LIVE feed edited down to make a series. If You have a GY6 and want more performance and speed this video is a step by step guide. We will show you how to install a big bore kit, cam, big valve performance gy6 cylinder head, and ever a transmission kit with a Reveno clutch! If you are a die hard GY6 guy or gal and want exclusive behind the scene footage, think about becoming a you tube member. link below:
Join our members only section to get access to even more perks:
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171cc PERFORMANCE PACKAGE:
www.rollingwrenchdenver.com/p...
REVENO CVT KIT:
www.rollingwrenchdenver.com/p...
GY6 PWK PERFORMANCE CARBURETOR:
www.rollingwrenchdenver.com/p...
171CC DROP IN BIG BORE KIT:
www.rollingwrenchdenver.com/p...
171CC PERFORMANCE HEAD:
www.rollingwrenchdenver.com/p...
PERFORMANCE GY6 CAM SHAFT:
www.rollingwrenchdenver.com/p...
GEAR UP KIT:
www.rollingwrenchdenver.com/p...
GY6 HIGH TORQUE STARTER:
www.rollingwrenchdenver.com/p...
ENGINE CASE BRACE:
OPTION 1:
www.rollingwrenchdenver.com/p...
OPTION 2:
www.rollingwrenchdenver.com/p...
GY6 WIRING HARNESS:
www.rollingwrenchdenver.com/p...
GY6 171 COMPLETE DROP IN PERFORMANCE ENGINE:
www.rollingwrenchdenver.com/p...
GY6 WORK ENGINE STAND:
www.rollingwrenchdenver.com/p...
--------- AD ONS--------
GY6 MAGNETIC DRAIN PLUG KIT:
www.rollingwrenchdenver.com/p...
FUEL & VACUUM LINE:
www.rollingwrenchdenver.com/p...
GY6 CRANK CASE BREATHER:
www.rollingwrenchdenver.com/p...
--------CVT TRANSMISSION--------
GY6 DR.PULLEY SLIDERS:
www.rollingwrenchdenver.com/p...
CVT TRANSMISSION KIT
www.rollingwrenchdenver.com/p...
CVT KIT OPTION 1 (NCY):
www.rollingwrenchdenver.com/p...
GY6 ULTIMATE CVT KIT (REVENO)
www.rollingwrenchdenver.com/p... - บันเทิง
Thank you for your videos I don't have the money to take my bike to shop so doing most of the work myself and your videos have helped me 100. Hope to soon have enough money 💰 to start ordering your parts for my bike
This is your soon-to-be customer writing and appreciating your work in those excellent videos. My 17000 mile SYM VS150cc already deserve some performance wrenching.
Most informative gy6 vids out there. TY
Thank you for sharing your knowledge
I made a gy6 carburetor video years ago when there really wasn’t much info about them. It got a lot of views. I probably called some things the wrong name and wat not; still don’t have a complete understanding on what changing positions on the needle do. a minivan ran me off the road and I haven’t rode a scooter in many years lol! Anyways, I’m glad your making videos for this stuff. It’s very informative, you’re quite knowledgeable and do it cool. I wanted to get into this type of stuff back in the day, but priority’s have changed. Great job!
doing a 150cc swap in a 50cc maddog and have been really nervous but man if these arent literally step by step!!!
Im happy to have one of these engines on my chinese scooter, they are freaking tunables
Thank for your time
Great video man!🤘🏽🔥🔥🔥
Great video. Very informative.
The little rubber hose y'all to explain you can cut it down to 3 in long it's for the rear gear axle vent
I just wanna say the reason you aren't able to rev out the dome top piston is because it has more compression, probably around 11:1. This means you need to run either less ignition timing or higher octane fuel.
Nice add in 👌💯
Matt does some amazing work! We just put in a 190cc drop in performance package from Matt. We used 95% all Rolling Wrench products. I could not be more happy with the products and customer service. Thank you for your services Matt your a rockstar in my book.
I appreciate you Vernon! It was a fun build
Thanks man.
niebawem zacznę nagrywać o takim silniku :)
I Am So Glad I Found You Rolling Wrench Glad I Subscribed Just Wish I Could Place My Order In Colorado So Ready To Stop Buying On eBay And Buy From You !!!
Thanks alot for this awsone video got me thinking of going bbk on the new ruck build lol 😆
Heck ya!!! You should do it! I appreciate you Vincent for always supporting 🙏🏻💯
Verygoodinfo
Awesome 👍💯
I would take apart that rocker arm and check the oil passages are drilled correctly I have had 4 of my customer's motors fail, from the oil passage on the intake side not being big enough it seems maybe there doing it as a way to know the motor will fail rather quickly. Check it out I would love to see how the oil passages look in this motor, ya if that hole in the rocker arm assembly is not flowing all it can then it's downhill quickly if you're running them hard and hot. would love to see some roller rockers with a nice thick tight tolerance housing. I have seen them online hard to get your hands on. Well here is your next custom fab part Rollerrollingwrenchrockers.
Hey any chance of a rectifier/regulator test I followed your stator test video and it appears to be within spec
Hey Matt. Ive been watching your vids and awesome work done on all your projects and episodes. I need help on my 2012 Kaitong 49cc scooter. Im confused the engine isnt a GY6? Seening your vid on the number on case plate, its not matching. I need help asap on what parts to order because again a "QMB139", dont exist right?? What do i do?
I was planning to upgrade my Itlajet Formula 125 (asia release) GY6 engine. Not sure which Bore Up kit to buy. They said there are different GY6 type out there. Not sure which is whichm hope you can help me.
And don't worry about the wheels bro I already bought me some wheels from my TaoTao aluminum wheels cuz the ones they start you off with are freaking steel and they weigh down the bike and they're not good for racing in higher in speeds luckily I found some hella cheap ones on eBay like always they always got good deals and looking out for the GY6 heads heha like ong. 💪🏽🤣 in good video like always bro
Hi. love your vids. asked the other day about big bore kits for 139qmb.
any idea of how much tourqe and Hp one can get out of a 90CC cylinder if uppgraded with a stroker crank, a better cylinder head, better cams and so forth?
... Just buy 150cc.
Its easier to build imo.
I love your videos... I only have one problem.. Your web page lock Cuba out of it... So I can't tell my friend what to buy.. Anyway you could fix that?
Have ? I have a 150 yerfdog came off a go-kart I'm new to this trying to figure out what I need to put this in a scooter for the wheel and rear brake to work looks like it just has a sprocket on it trying to install in a 50cc frame
I note the Honda lead 100cc has variable valve timing.
How similar is this engine to a gy6 ?
and do any gy6 engines have variable valve timing?
Not much is cheaper then the gy6 engines.
"Variable valve timing" is manually adjusted on gy6s @ every 1200 miles.
Stay cheap, brand names are expensive
I need a Reveno clutch!!! My old engine was a Xs1p520mi, I am replacing it with a Piaggio 125cc long case (bottom mounted as well)
I’m not sure if there is a clutch for that
@@RollingWrench I don't know either as the center shaft runs thru the clutch and into a bearing in the cover. The difference in engineering is incredible. 3 valve heads (2 fuel + 1 exhaust)
I have a question.A while back you had in stock a metallic blue decompression tube with a dip stick.I tried to buy it from your website but i do not see it.
I just run 1/4 rubber hose from the valve cover, down the top of the transmission, and let it breath off the back end.
You can use zip ties or install metal hose clamps to hold it to the transmission.
It blows a tiny amount out, but not enough to worry with daily. Maybe lose a teaspoon of oil a week.
Love the live video lately. Plus thanks for the gears you guys sent me they are awesome!!! Last thing , The most important” THANK YOU working with us one on one or just helping us all in general it means the world to me and the whole scooter community thank you so much👊👍🛵🛵 All gas no breaks 🛴🛵🛴🛵
Thanks Robbie! I appreciate you more then you know. It’s great to have a following :-)
the oil port on the crankcase face where the jug mates.... is that a return or a supply? I have been having problems getting oil to the piston rings but I can't figure out if that's done by splash or what?
ok bud, I joined your show.... can ya hep me
that is a oil supply :-) the oil drain is the port where the cam chain runs :-)
@@RollingWrench ahhh ok. pretty sure thats why I have been melting pistons lol
When are you going to do the 139qmb build I messaged you IG a few months ago and was hoping to see it by now
Soon! :-)
Hi, I'm from Philippines, I'm GY6 user 125cc, can you please help me if I upgrade my 125cc to 155cc (58.5) what are the best camshaft and valve for intake and exhaust and what valve spring etc.
Stay stock 150 parts.
(57.4mm bore)
You can get top end rebuild kits for $75.
Stock camshaft @ $20.
Dont put performance valve spings in unless you want a kicker only engine.
The tight springs will be too tight for a factory starter to roll the engine over.
There is stainless valves you can install, but its cheaper to just buy a whole new assembled engine head for $30
Why did you replace the starter?
Often if you raise the piston size or put harder valve springs in the factory starter is too weak to roll the engine over.
Theres a bigger aftermarket version to be installed or the bike becomes kick start only.
Question? Is it possible to swap a stock 200cc scooter engine with a 90cc engine? I am a beginner to scooters. I wanted to start to a lower phase before going with higher speed. If it is possible, where can I buy a 90cc engine from Honda or Kawasaki? I hope that someone could direct me to the right direction. Thanks in advance.
GY6 engines are 2 sizes : 49cc & 149cc. Long or short case.
They do not interchange without frame modifications & welding.
Probably better to buy the scooter size you want verses modify
Are the oil stick decompression tubes bad if you are running say, an NCY oil cooler? It seems logical the oil lines being relieved of much needed compression to run their path, would be negatively impacted by the additional decompression. Thanks for any help.
That is a very interesting question.
@@GYccUsefultips I'm only asking because that was my setup when my 61mm Taida BBK forged piston melted on me after only a week of driving it. Just trying to not repeat mistakes and possibly prevent others from making them.
Just hump vent your valve cover, in a 1/4" hose to the top back of the cvt cover.
Melt downs are caused by too much air.
Running lean or otherwise dry conditions.
Allways err rich when tuning engines
Oil pressure is maintained by being submerged. The decompression tube works on relieving the air pressure off the top of the oil. Not below the oil. Its just an expansion chamber for the oil to move up into when the piston is pumping hard at higher rpms. Most stock size engines dont need them. Usually they have a hose from the valve cover to the carburetor intake.
The carburetors vacuum pulls any oil spit into the engine & burns it. But I dont like that oil messing with my tuned carburetor. So, you can also relieve crankcase pressure at the valve cover by routing a 1/4" rubber hose to it, down the transmission top, & over the rear end with zip ties.
That way the crankcase breaths with the piston pumping, but if it spits a little oil it wont land on my rear tire. It just blows it out on the ground behind me.
Its like a mist of oil, its not really liquid that gets pushed out. Maybe a teaspoon a week top off oil needed....but ONLY gas & air go through my carburetors, no oil is needed there.
why ditxh yhe kick start im curious. thats is the best part about the whole motor. you ever have a dead battery or starter go out.
I agree...but kids today want "bling" 🤦
💯💪🏼💪🏼
what about Qmi?
I could tell you all about that pickup
That pickup I had to throw it and Slot the holes and make the Gap about 15,000 to get it to spark right they got to come adjustable and they don't you need to explain that you can't just ban them it doesn't work so you can get the right trigger signal to the coil is what that does you need to explain that to
Excuse me that's I had to drill it the slot holes had to egg out the holes to make it adjustable because they was real close it was like 10,000 and then when he heats up it hits the magnet on the flywheel that's the pickup for the coil you need to explain that they don't come adjustable you got to make them adjustable pickup triggers for the coil
Impact driver
What's the best cvt system you suggest for a 50cc built for high performance
Just buy a 150cc, its more powerful & has less parts then the 50cc engine.
@@noneshere not allowed to drive that size.
@@DavidSmith-vx4ze if you keeping low profile then no problem to put 150cc. Nobody knows engine cc until you hit speed limit
@@sayalupalah8044 I know just have a challenge from the guys at work that couldn't build one out of a 50
But see everyone is missing my main question what's the best cvt system to get or recommend
I am curious to learn what the clocking of the rings is from the factory.
That 5 position placement is pretty much standard for all ringed pistons.
The rings cannot be lined up or internal leakage can occur. Those rings do different jobs even though they are all close together.
I would like to have a kick-start from that engine
Inpack driver
Impacts ONLY to disassemble & you Better Study what nuts ARE reverse thread on GY6 engines.
For assembly I only use hand tools.
Nice video my friend and I myself have been wrenching on the gy6 for over 20 years as well
I’m looking to get back into it here in New Jersey as the demand has returned and I would love to support you and buy your parts
Please send me the info
“MRPOP4EVER “
Excuse me 7 foot pounds on a little bolts wow and why don't you put blue Loctite or red Loctite on them bolts that's what I do I've been doing it for a couple years to that way they don't walk loose from vibration big time especially right there in that area I don't understand you not explaining that and I don't understand 7 foot-pounds on M little teeny bolts really
Hi 😊 I have a 150cc a Chinese scooter I Won't you hi I would like to build me a 150cc to a 250cc scooter contact me please
M kick-starts are real pieces of s*** took mine out of there two why don't you explain about that vent hose for the gearbox in the rear that axle gearbox that's important I took at Airline and blue mine out I had dirt in it and I put a little sock on the end of it I don't you explain that
I really wish you weren't so condescending, you sound like your all pissed off at everyone for not knowing this information
LOL ya ok :-)
Impact driver