Putting Together Motorized Bike - IMPORTANT Tips & Tricks to Know
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- Опубліковано 6 вер 2024
- some pointers that make life easier and ensure that your bike will operate properly when completed.
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Lock-tight, dont double nut, its easy to overtighten aluminium bolts and snap and strip them, and 2 nuts really doesnt do anything agaisnt vibration, no matter what even with two you can only go so tight, and even at the max (~20 FtLBS before aluminium studs snap) they will still vibrate loose double nutted. High Strength Lock Tight is the way to go. Also use locktight while installing your studs into the engine, once you remove one weak link the next one becomes vunerable, so if you locktight a bolt, locktight the stud its being threaded too to the block, otherwise whats the point? why glue something to something that isnt secure itself? Just some advice from my experience over the years
You're going to snap your rear engine studs since the engine is only being held onto the frame from going backwards instead of being solidly attached on both sides
@Wiizzard who dropped you as a child?
When securing the rear sprocket thighten the bolts diagonally.
GTR Man fuck you nerd
GTR Man fuck you nerd
thanks
That plate is way too far away from the frame, the plate should be touching the frame, not just u-bolted on, you're going to snap bolts and torque the engine to the side. Also, rubber eventually will just turn into a big plate of shredded cheese with these motors, just mount directly to the frame, it actually ends up feeling more sturdy and ends up being more reliable when directly mounted.
For the u bolts use air tubing for aquariums. Depending on the size of u bolts that tubing works great.
I used what's called "live rubber". About 1/4 in thick.
I wrap both of the mounting bike frame tubes, and the flat points on the engine side of the mounts, just like you did your front flat plate mount but I add it to all mating surfaces. Front and Back.
What I have found to seem to work the best, for me, is a brand new toilet rubber bottom gasket. From my local Hardware Store for a couple of bucks.
They are a little over a 1/4in. thick and are easily cut with a Utility Knife and a straight edge. Thick enough to do what I want it to do.
The "felt" vibration is reduced by more than half.
A much smoother ride, tire pressure can now be increased a little for a little better Top End.
I mount all with Flat washers, Lock Washers and Self Locking nuts, these are a must.
Double nutting works good, too.
In the automotive world, the engines, transmissions, and exhaust systems are all mounted using Rubber Mounts, just to reduce felt and sound of engine, transmission and exhaust pipe noise.
How did you get the back brake on??????😇🙏
Hey could u pls put a link to the motor ?
www.amazon.com/gp/product/B071DQXPNT/ref=as_li_qf_asin_il_tl?ie=UTF8&tag=kenken09-20&creative=9325&linkCode=as2&creativeASIN=B071DQXPNT&linkId=3c905d601443919d052d76764f6d1cb2
hot water worked great....sprocket sucks ass, still gotta true it up in the morning........gotta get the chain on hope there is something in one of your vids on that... just by re watching this vid tomorrow morning is gonna be a lot easier, thanks again...
how do you guys keep the brakes on?
Contemplating first build.... thinking a flying horse 48cc + buy a sprocket adapter and chain tensioner that mounts on engine. Thinking the adapter so it is not spoke driven but hub driven and possible related safety. Do you need to drill a hole for kill switch? This is possibly going on a Electra Cruiser 7 speed.
People's comments are correct. The fuel filter is in the wrong way. Fuel should go to the outside of the filter fist so you can see how dirty it is and when to replace.
+kuhakujack The fuel filter literally has an arrow on it that says flow.... And if you look at any old carbureted car, that’s the same way with the feel filter would be installed. It’s also an automotive filter.
Rubber actually makes the vibration worse. If you spend the extra money and get a pk80 engine with a 40 mm mount you will get a solid mount and less vibration.
thats what she said
I'm so glad I found your videos. I'm having some issues with my cruiser. Everyone who said they knew what they were doing with my bike....DID NOT. & I'm sick of it! Your videos are SO helpful! My bike is loud as heck from the rattling. Where can I get those rubber pads for vibration noise?
stacy white cut up a bicycle tube and use that
I like this
stacy white EVERYONE has issues with this project. It’ part of the experience.
Yes your fuel filter is up side down look it has up with a arrow on it I seen someone told you that & you said it was on right
What bike was used in the video?
A beach cruiser.
Yay!! I just saw a Colin Furzz ad!!
Very informative video, thank you for all of this information!
I have a 29 inch mountain bike without a top bar but instead it has a rear back frame that has a shock and spring combo and I am wondering if an engine can be mounted on it or not and if so how well can a jack shift can also be used to be able to use the gears of the bike for more speed and maybe power can you let me know please?
Thank you. this is helpful
I love these stupid bikes, do more video's of you working on them, or of you just riding them, great video, thanks for sharing.
My 80cc bike doesn't stay on like yours does @13:26. Do you know why? Whenever I pull my clutch to lock the pin it kills it.
If you didn't figure it out yet, adjust the idle on the carburetor.
I figured it out thanks. My idle screw was too long.
love the double nut idea
You cannot emphasis locktite enough. I rode my motorized beach cruiser about 5 miles on its maiden voyage. When I returned, I did an inspection. it was missing one nut on the rear fender, one nut on the front fender, 2 of the 5 bolts that hold the clutch cover were missing. These builds are fun but good lord they are rattle traps. Locktite people, locktite!!!!
How do you make the engine run when not in motion ?
Is it 48 50 70 or 80 cc Just asking
I have the same bike. I like your set up the best.
this is the video I have been looking for!!!!! saved it......pretty much doing the same build. one question the rear motor mount was that stock? or is that something I need to order?
+sunnylandcamper the rear mount is indeed stock
thanks....everything ordered
good luck!
+ThunderHead289 use smal clear ruber hose on those u bolts
thats a good idea. im also not sure why they do not make it a dual u bolt type mount. if i ever do another bike im going to do it that way. i have been dormant the last few years with motorized bikes for the most part.
hey I have a question. just got a motor and I'm having troubles setting it up. connected everything but it won't start. The motor doesn't turn over. let's you pedal for just a bit..not even a full rotation. is something the matter? I watched another guys vid about starting but could you be more in-depth on the start up?
The clutch
So that's on a 29 inch? How did you get the sprocket to fit correct. It seems that the wheel hub where the spokes connect is to big and the rubber grommet won't tighten down enough to push the sprocket down over the axel
I believe I made a video about how I did this - search Thunderhead289 coaster brake sprocket mount or something like that
@@ThunderHead289 ok super dumb question. . .I am putting the motor on a 29er huffy kind of like the genesis. I am going to use a sprocket hub adapter and have no idea what size I need. . .I see them I -1.5 and not sure what size mine is assuming those sizes are for 26 inch wheels. I measured with a string and got 1.7. . .not sure I did it right. Any tips?
WOW!!! That's a really cool bike dude!! How fast does she go?
hey im trying a gasket maker instead of rubber watcha think?
Personally. I do not think it will hold up for too long if at all
ThunderHead289 I'll let you know it is a cleaner look if it holds up itll be a nice alternative i plan on some long bike rides in march and April.
+Timothy Kenny I'm curious to see, keep me in the loop!
ThunderHead289 will do
I put windshields in for a living and work on old cars performance motor mounts for cars use polyurethane which is the same thing used to put winshields in anyway it's by far the best of anything to use I know this is 3 years late but still lol
I see you have no shifter on your bike, dose that mean it's a fixed wheel or did you just put it in a easy gear and do away with the cables?
+Phil Gordon gordon what? The motorized bike has one gear
i can not get my bike to idle while still for the life of me, every time I slow down the engine stops
yellingatcows turn the idle screw clockwise. To turn the idle up
Pull the clutch in
Mine turn off when I come to a stop any tips
quick question ..how do u get yo bike to ilde without u turning throttle mines cut off unless i give it a lilttle throttle ...please help
There is a screw on your carburetor with a spring on it. Turn it clockwise to set you idle a little higher.
I have the exact same kit, I think, I'm new to this and was loving it until it came time to add fuel. I ran out as it had leaked while in the back of a truck. So anyway, I got the mix wrong and it was way too rich. I have the right mix now, but it won't run, it just bogs down, can you suggest anything?
Dale Hutchinson tune your carb
You might have flooded your engine. remove the head and dry it. Also make sure your spark plug Is not wet. If you're using the original spark plug. change it now to an nkgb8hs
I cant find any kits on ebay directly from China. Maybe I'm searching incorrectly. Anyone have a link to an ad or site from China. I live overseas and only China ships stuff for cheap.
Try Wish.com
Awesome stuff! Thank you very much for taking time out to post this.
I've been trying to research these 80cc'ers on you tube. Most uploads are from drug addled tweekers with shaky reflexes. Very frustrating. Can a Diamondback Overdrive 29'er fit this motor?
He said the last thing I’m gonna say is so many freaking times LOL
i just got a motor, and they put zero grease on the gears in the gearbox. i dont have any grease, can i use silicon spray lube?
john malone you do not want grease in there! Theres a clutch pack in there and if you spray lube on it youll nearly ruin it. And your clutch wont work
You do want a small amount of grease on the actual gears unless you want those gears wearing down prematurely. If you use high temp lithium grease and only put enough then nothing will get on your pads.
Only on the gears
yes, thats why I said only on the actual gears.
Is the kill switch absolutely necessary or can the bike run without it
It's not important but I would wire it up as it's very convenient. These engines are easy to stall and kill on their own. You can either come to a stop with the clutch in and drop the clutch which should kill it or use the back brake while the engine is idling and it should kill it by dropping the RPM's too low. Stopping the engine this way is gnarly though.
To wire it up just connect the 2 wires from the kill switch into the two wires going to the ignition coil (black, blue) and you're good to go. It doesn't matter what wire goes to where. The kill switch is just a button that shorts out the ignition coil stopping the spark plug from firing. It's 2 minutes of work that is worth the effort.
Yes it does no need for it at all.
Nice build!
Thanks! This is a throwback for me to see!!!
Got everything installed and the clutch wont in work. The cable pulls the arm back fully but it still tries to turn the motor over?
John Smith if you have all the slop out of the cable - set casble with holding arm so that it has no play as well as the cable. you should not have a problem. make sure that right when you pull the clutch the arm begins to move. if it doesnt, there is slop in the adjustment. the next step would be the flower nut and if you dont have your initial adjustment right, the flower nut will screw everything up, so make sure your initial adjustment is correct before moving forward.
Thanks, I got it where it will disengage. Tried to get it running and I can hear the piston moving when I dump the clutch but it won't start. I'm going to check to see if I have spark.
before you do anything, set the engine to full choke and hold the primer button down. the first start off always takes the longest. peddle like hell
Didn't even notice the primer button lol. I need to put Teflon tape where the fuel shut off goes it was leaking a bit. Will let you know how it goes tomorrow. I really appreciate your help!
no problem! check my carb tuning video about how to wrap a piece of electrical tape around where the carb mounts toi the intake. really helps to eliminate vacuum leaks.
What state do you live in? Im in MY and motorised bikes are eligal. Not that I'm going to move, but curious is all.
NY that is.
He lives in Iowa.
My back tire will not move even with the clutch pulled in what do I do
Laura Johnson hi Laura,
When you let the clutch out is when the engine should move the bike. Check our cable - if while you are pulling the lever, the lever on the engine doesn’t move very much, you have to adjust the cable to take the slack out. The least amount of play possible is ideal for proper clutch operation
Your back sprocket is on too tight to the rim hub. There is a cap that goes around the hub your squeezy that to the bearings you won't get your wheel turning. Remove that cap from hub then reset sprocket and you will have a wheel that spins.
Tip one have the right music playing lol (y)
he said double nut!
Lol this guy shouldnt be giving any advice😂 fuel filter is 100% on backwards. When it gets dirty he'll never know because the dirt will be inside the filter not on the outside where the dirt is supposed to collect. Then his front motor mount is put together all damn wrong. Hes gonna bend those studs doing that crap. Your supposed to remove the studs and then use 2 bolts in place of the studs to mount that universal mounting plate then you put the u bolt on. His freaking studs are being clamped into the frame😂 terrible
Ryan Prokopow for one - I used why came with it, for two, the studs are not contacting the frame. Now 3, I feel you on the fuel filter. The shape of t resembles an automotive one so I just threw it on in the same orientation as the auto ones appear. So that one was my bad.
The front engine mount is wrong. You are meant to remove the original studs
who is the manufacturer of your engine? can anyone tell me
It’s a Chinese engine, it’s made by several different companies. If your interested, tons of kits are sold on EBay & Amazon for around $120 USD.
How much is that kit? And where can I buy it?
Joseph Foster I got the same question
Google gas powered bicycle kits and there are a bunch of them ,All made in the same chinese factory ,
The kits are about $120 USD. They are for sale on EBay, & Amazon.
looks like an old school harley
If you can you purchase as a 80 you will not need me do you boat it will Mount right to the frame correctly it's got
wide amount and 8 millimeter stud
Gosh i hope my motor fits on mt bike
Did it fit bro?
that whats he said @@anthonystreeter9506
@@oliverharwood2743 worried bout his homie
also fuel filter is backwards its gonna clog up faster get a platic gas tank from aweed wacker better yet jus put tha weed wacker on instead of motor its cheap as #!*/
Ok your giving bad information first off no rubber 2nd you mount the engine right where it makes contact on both sides you wont have vibration 3rd if you align your sprocket correctly it will clear your frame and you need the sprocket teeth pointed inward towards the rim and use lock washers! Double nutting is a good idea as is lock tight
I haven’t done this since I was in high school since I’m a grown ass man, BUT every bicycle frame is different.
This bike requires the use of a u bolt to mount the front of the engine - as much as I believe in rubber mounts, they allow the engine to slightly twist since they aren’t solid and the chain would hit the frame a bit under acceleration.
The sprocket is offset to be used either way depending on the frame.
I built and sold about 4 of this particular bike. They really rode nice.
I still have my original motorized bike hanging on the wall in the garage - used to ride it to work when I lived in town. 1400 miles on the odometer.
your rim not gonna last yo tha horsepower gonna break spokes right off so when your rim feels like its getting loose it is.
I thought the same thing. My originally bike racked up over 4000 miles without a rim failure, so idk what to think
Neto
Try locknuts!
Craig Stock or loctite
also fuel filter is backwards its gonna clog up faster get a platic gas tank from aweed wacker better yet jus put tha weed wacker on instead of motor its cheap as #!*/
For one the filter is on right, considering it flows from the tank to the engine. 2, a weed wackier won't do 35 plus and hold together for even 1/4 as long. Have you ever done any of these?
Joseph Zaragoza his fuel filter is on up side down it has a arrow on it