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Post by czmdiver on Nov 14, 2016 9:27:11 GMT -6
What is your peak RPM at the speeds you are indicating? I have an RPM Tach but it's not very good. I don't trust it. I also did this when the sun was coming down and it was blinding so I couldn't watcha tachometer Don't matter if it not that accurate , we can use it as a reference |
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Post by czmdiver on Nov 13, 2016 17:30:11 GMT -6
What is your peak RPM at the speeds you are indicating?
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Post by czmdiver on Nov 12, 2016 12:35:50 GMT -6
I saw the picture over at Dansgarage, I thought is was only the CVT cover itself. Is the actually Engine case cracked also. If the Engine case itself is cracked you done May try JB weld or Alum epoxy on the CVT cover but I don't think it will last as there is some flex going on with that cover and the repair will be short lived. Try to source a used one. A new one is around $55 bucks. btw im pistonguy over on Dansgarage.  |
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Post by czmdiver on Nov 11, 2016 18:32:21 GMT -6
Semper Fi dad Pops is 85, 1st Marines Korea. Came home with a hole in his left hand and no hearing and the 1,000 yard stare Her is a picture of him at a Dedicated Marine Biker group. At 85 he was the eldest Marine so he got to cut the cake with the youngest Marine. He has Alzheimers now and won't be around much longer.  |
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Post by czmdiver on May 3, 2016 19:05:19 GMT -6
It will pop only maybe once or twice bro but will not stay running  If that is all it took then covering the air intake with his hand would of popped it off. You gots to know this stuff and how it works not just throw balls at it and hope one sticks  Im well aware that it will Not stay running. laugh at yourself , unreal dude you don't even have to pull the dmn plug to see if it has spark cuz it Popped on Ether. You love to continue the Insults of anyone that has a clue. |
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Post by czmdiver on May 3, 2016 17:25:26 GMT -6
Is everbody afraid of giving her a wiff of Ether? good ol starting fluid.
If ya got any spark and compression it will Pop off on Ether filter or not.
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Post by czmdiver on Apr 29, 2016 5:27:53 GMT -6
The ABS is Fake like most crp on these Scoot's
It's nothing more than a Check Valve to Dump a Hydraulic Spike. more junk fake stuff.
I removed mine, replaced with correct Banjo Bolt and Throw the Fake ABS Check Valve as Far as you can.
I won't have it on anything that I have. There are certain conditions were I think its a safety issue.
There is No problem running without this, Its the way it was, it is only replaced with the Correct size Banjo Bolt
Good Luck
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Post by czmdiver on Apr 27, 2016 6:55:45 GMT -6
Burnin some metal are ya metalburner ?!  I changed mine out on my Jonway 150 and it was rusted and corroded on there! Actually, I broke a 3 ton puller before I got the 5 ton to do the job along with a torch and a sledge hammer, lol! YOU won't have too hard a time though. My entire bike was in that condition and you are starting off nice and shiny. One thing that I can impart to you to make the job of pulling the old and putting the new one in easy,is to use the tool loan program at O'Reilly or Auto Zone if you have one of those around. If not, many of your chain type auto parts stores will loan the set to ya. If you need a 3 jaw puller, a bearing pulling/install set, that's the ticket. Here's what mine looked like when it came off finally so, don't let a stinkin' girl show ya up, you can do it!    After assembly...  Hopefully, this vid helps out too Link to part 2 |
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Post by czmdiver on Apr 26, 2016 17:48:24 GMT -6
What ya got for a scoot bro? Do have any noise or? A little side to side Play? Have you checked the Axle Nut Itself? loosey she'l have side to side play Looks Like This?  |
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Post by czmdiver on Apr 18, 2016 6:02:19 GMT -6
Actually I find this refreshing.
Proof you have to Work Really Hard to Scuff a Piston on a GY-6.
There was some effort put into that.
Probably break-in oil?
They run in a Bath of Oil, Very Very Forgiving engine, seem to be able to go so lean it won't start let alone scuff a piston.
I'm No Fan of a Light Weight break in but jeez.
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Post by czmdiver on Apr 15, 2016 6:07:51 GMT -6
OK, so I picked up a scooter for $50. Too good of a deal to pass up. They said it ran when it was parked... almost 2 years ago. It belonged to their son and he lost interest in it so they put it up for sale to get it out of the garage. I know that it's a 50cc gy6. It appears to have been put on its side pretty hard a couple of times being as the headlamp, ferrings, and floor plate is all out of whack. The kid did some home-engineering by rewiring an LED headlamp and used a lawnmower battery by placing it in the seat compartment. The spark plug cable has also been spliced. So far, I have rebuilt the carb, replaced the battery, and adjusted the valves.... It runs! But there are a few problems. When I get into the upper RPM range, 7k+, the motor begins to sputter a bit and then starts to completely cut out. When I release the throttle just a little bit it will resume like nothing is wrong. It even begins to pick up speed on a flat plane. Would anyone be interested in guiding me through my project of turning this into a keeper? Welcome. Your Definitely Lean on the Top end (rpm's). Your description is spot on. You may have a Air Leak. carefully inspect you vacuum hoses and intake manifold. If no leak you'll need to up-jet (give it more gas), crack that carb open and post what size Main Jet it has, this will be stamped on the side or bottom of the Main jet. What does your Scoot have for a air-box or air cleaner set up? Is it a Stock or aftermarket Performance Exhaust Pipe? Good Luck. |
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Post by czmdiver on Apr 12, 2016 11:07:09 GMT -6
Ok you have More than one issue here.
First you have to get the starter turning over fast enough to start the engine or do any type of further testing.
Check your Ground Wires, Engine to frame and off the battery.
Have the battery fully charged. do you have a charger?
A drill is turning it over fast enough to start? how big is that drill? 3/8" or ?
Are you sure you have enough compression? how did you test this?
With a finger or thumb whatever you can get in there the compression should puff your finger off.
The Engine will start and run as low as 90psi or so, but decent compression will be in the mid 100's psi.or so.
What Clearance did you set the Valves Lash at?
Get the starter situation fixed first.
good luck
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Post by czmdiver on Apr 11, 2016 8:03:00 GMT -6
Well without major ENGINE work you can only do CVT upgrades that will get you maybe 3-4 more mph. So the MOST you can expect is NEAR REAL 55mph and that is all she wrote. Now to do that paying someone 200-400 is not worth it since the parts are under 50.00 bucks and can be done in 1/2 an hour. So if you have some tools you can do it yourself it is very easy. Even the gals on here have done more than that  Alleyoop What Aly said is pretty much spot on. You may look around to see something OE holding back a mph or two. I jacked with a intake and some jetting but she seemed shy on rpm's The OE pipe was falling all apart before a 1,000 miles and I dropped it down to find this. The stock Head pipe Flange was welded off center and a huge glob of weld left in with a bunch of flashing, a good percentage of the exhaust port was closed off. So the Intake mod I did was a waste of time, it did nothing with this crap. this can be clean up with a grinder but I decided to pony up for a pipe.   I got like $79. in this pipe, the header wrap was sourced from a garbage can at the race track, I sourced a hunk of radiator hose in my barn that I fashioned into a intake and dumped the factory air box, some have made intakes from PVC, a couple of jets and my stocker runs pretty well.  Im all about the hot rod deal but mine or similar is a rickety proposition running much over 60 some mph or so. |
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Post by czmdiver on Apr 9, 2016 20:11:38 GMT -6
Thanks M-8
Oh hey I see your in Perth.
Get HOT there?
I was close to a Dive trip in western Australia to fly into Perth and drive north.
Some issue of driving at night up there with Kangaroo or Wallaby problems?
and some places seem to be closed during summer due to the high heat?
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Post by czmdiver on Apr 9, 2016 15:49:06 GMT -6
AH, Sorry BRO, I overlooked that you have a 125cc so the 58.5 will DO YOU GOOD that is 30 more ccs than what you have that is a lot and it will be reliable as well. So in your case I would go with the 58.5 up grade and bring your 125cc to 155ccs. Cam I like the A11 cam which gives good low end and good top end. Alleyoop Ya, Ya, what he said/we said.  The A-11 has a little wider power band. but its a personal thing in the end of were You want your best. All you want and more. |
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If that is all it took then covering the air intake with his hand would of popped it off. You gots to know this stuff and how it works not just throw balls at it and hope one sticks 
