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Post by lonewolfncubs on Mar 21, 2015 0:12:45 GMT -5
good evening from middle georgia, I bought this scoot for $100 not running, I purchased new spark plug, new carburetor, new head, new piston new ring ,new gasket, cleaned up the scoot very well with my pressure washer, and purple power what you see in the pictures is how I got it, in pieces. Gas tank comes with two hole which I'm assuming it's one for the gas and the other is two stroke oil, now I drained the drive case and blue oil was draining out of it, I did some googling around but doesn't tell me much solid info, unsure if it is considered two stroke, seller told me it's a 1999 sunl but if I look closely to the manufacture sticker it's looks like it saids 10/05, so my question is do I use motorcycle oil or gear oil or what? Whatever possible info you can give me is much appreciative! Thanks
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Post by niz76 on Mar 21, 2015 1:41:46 GMT -5
WELCOME!!! Wow, That is an interesting scoot for sure- also quite a project for someone new to scooters! Hey- at least when you're finished you'll have very intimate knowledge of your scooter inside and out and that's a good thing. Probably the most important pic you posted was of that engine code. Appears to be a Geely D1E41QMB 2T (2 stroke). Apparantly an older chain drive 2t vertical. Here's some great info from scrappydogscooters; www.scrappydogscooters.com/Geely_D1E41QMB_2T_parts.html
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Post by 90GTVert on Mar 21, 2015 8:24:50 GMT -5
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Post by lonewolfncubs on Mar 21, 2015 11:14:39 GMT -5
Thanks guys 90GTVert thank you for verifying, I was not sure if that PDF was what I could go on for my scooter, I had seen that PDF yesterday and I was reading about oil for gearbox and it said motor oil but just wanted to make sure that was correct Niz76 I never seen that website so thank you for that link, so far just by looking at the scoot and plastics, I am missing front wheel fender, mirrors, and airbox, I can Handle getting mirror obviously, and I might be able to go without front fender but I was wondering if I don't have airbox, can I go to a auto parts store and pick up one of those cold air filters to fit over the carb? The pictures are from today, just showing the aftermath of purple power, power wash, and scrubbing plus anything you see that's out of the ordinary, again thanks for the welcome and the help
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Post by 90GTVert on Mar 21, 2015 13:22:03 GMT -5
You can use a pod style filter. If you measure the OD of the carb's mouth, they may have a breather filter that would fit. The bad news there is you'd have to get some main jets to tune the carb and it will be louder and require more effort to keep in tune with an open filter. Here's another site that has a few parts. They used to carry a bunch, but it looks like they aren't restocking. www.scootusa.com/2_stroke_engine_parts.htmParts For Scooters also has some parts for these. They list an air box (part #148-91). One bit of advice would be try not to put a lot of money into this scoot. They aren't popular and prob won't have much of a resale value even in good shape. The chain drive is just not great on the small engine. With CVT driven 2Ts you can upgrade to a pipe and do port work and so one to raise the RPM and increase power output, and then the CVT can be adjusted to cope with the new RPM since those mods usually cause a lack of low rev output. With the chain drive you can't adjust to match other mods. Plus there isn't much out there for it. Could be an OK platform for a roughly 30MPH rider, but think twice if you'd rather own something a little quicker and faster.
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Post by lonewolfncubs on Mar 21, 2015 17:47:54 GMT -5
Again thank you 90GTVert I appreciate you input on this scooter, when I went to the scooter shop, they said they don't do much on this type of scooter, I guess that's why it was so cheap, honestly I am helping my nephew claim his independence with this scooter, in the state of Georgia you can ride a 50cc with no paperwork or license and we figured this will be a good start, we have no desire to try to make this faster, just get it running so he can travel to work n back. So is it preferred we get a airbox or would a pod filter be suffice? We put in about $100 in new parts for this, still gotta get mirrors and hopefully it runs, now should I use gear oil or motor oil for the drivetrain? Does it really matter?
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Post by lonewolfncubs on Mar 21, 2015 17:51:07 GMT -5
Oh and a new seat as the one that came with the scoot was half gone smh
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Post by birdman on Mar 21, 2015 17:52:57 GMT -5
Welcome to the addiction of scooter tuning!!!
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Post by 90GTVert on Mar 21, 2015 19:28:05 GMT -5
Air boxes are preferred. You should be able to make sure the engine runs without the air box, but it won't drive well or at all most likely. Even if it did it would be running lean and hot so it wouldn't be a good idea to do more than get it running. A pod filter would do, but then you'll be buying jets. Might as well just get the air box at that rate. I've always read motor oil for the chain drive. Motor oil is cheaper too. You could prob cut some foam to cover the seat where it's missing. I've seen some people stretch t-shirts over the seat and staple them on below. Fixes it well enough and gives a bit of custom style. Just an idea if you wanna save a little for now on it.
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Post by scooterpimp on Mar 21, 2015 20:17:25 GMT -5
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Post by Upgrayedd on Mar 21, 2015 20:34:56 GMT -5
if its a chain drive, ATF works good for chain lube. penetrates well, no slinging mess, doesnt attract much dirt. people use different stuff. personally i wouldnt use gear oil OR wd40, but that's me. both attract a lot of dirt, wd40 wont last long.
some guys get fancy and make chain lube out of a mix of atf and mineral spirits, or motor oil of choice + mineral spirits (thins it for good penetration during application, then evaporates)
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Post by lonewolfncubs on Mar 22, 2015 19:53:31 GMT -5
SOME UPDATES: I installed the new piston, rings and head, boiled the old head cover in lemon juice to remove any carbon and grime, installed the head as well as the new gaskets, spark plug, cleaned and bolted ground cable, put motor oil, 2 stroke and gas in its proper place, reinstalled gas can , new gas line and fuel filter, I work on motorcycles and vehicles before so I got weekend mechanic know how and trouble shooting skills, cranked it but not starting, I removed spark plug and cranked it near frame bar and I am definitely getting spark, my thing is when I crank it it will turn on for a few rotations then turn off, I did that a few times, now what got me curious minded is when I turn it over then it shuts off smoke comes out of the carb. Every time it shuts off, it does what on the picture. I'm wondering if what I see in the forums is a blocked muffler but you guys know much more than me
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Post by Fox on Mar 22, 2015 20:23:50 GMT -5
Looks like the piston is installed backward. I believe the arrow should point to the exhaust port.
The idle should be set to a point below where the rear wheel turns up on the center stand and I noticed that your center stand is bent forward allowing the rear wheel to touch the ground so for testing and tuning the carb you can put a 2x4 under the center stand to raise the wheel off the ground. You may be able to repair the stand. It's supposed to stop at a 90º angle to the engine case.
One other thing to keep in mind is that the oil pump is driven through the rear transmission shaft so there is no oil being pumped when the rear wheel is stationary so try to avoid excessive idling.
You sure put a lot of love into that scooter so far. Keep your expectations of speed low because those D1E41 engines just don't have much power.
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Post by lonewolfncubs on Mar 22, 2015 22:23:28 GMT -5
Thank you fox, I didn't realize that the stand is bent foward, I should've realized that since my 91 cbr 1000 had a similar stand and it's in a 90 degrees
Are you sure I installed the piston wrong? I mean I watched a video that stated the arrow faces the front of the engine but it was not the same scooter, I did not have instructions to go by, if it is I hope it didn't damage anything.
I am unsure what you mean to set the idle to a point below the rear wheel? Can you elaborate
The rear wheel has been off the whole time, I can see the rear axel spinning as I attemp to turn the scoot on. Once the scooter hopefully starts running then I will work on correcting that center stand.
Again thank you all for helping me out, yes I have been spending a few days working on this project for my nephew, I don't expect much from this scooter especially since it's at lease 10 years old but as long as it runs normally-ish then I am content.
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Post by Fox on Mar 22, 2015 22:31:17 GMT -5
Before we worry about idle speed you gotta first get the engine to run. The arrow on the piston indicates the flow of the air through the engine. The engine on the video you watch must have had the exhaust port facing forward and the pipe wrapped around the engine and out the back. Your exhaust pipe bolts on at the rear of the engine so the arrow should point back. The reversed piston is why it won't run and it shoots gasses out of the carburetor.
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