KymcoForum.com

Hi,
  Just rebuilt a S9. lots of crossover chinese parts will work.  The key is to look for GY6 parts.
Take a look at this site:
http://www.scrappydogscooters.com/Replacement_Parts.html

They are good people. I bought some stuff from them  and the shipping was fast. Their part is only $10 plus shipping

 They also have an Ebay store too
 http://motors.shop.ebay.com/scrappydogscooters/m.html?item=270545817327&viewitem=&sspagename=STRK%3AMEWNX%3AIT&_trksid=p3984.m1439.l2649&_trksid=p4340.l2562

Part is $14 with shipping on ebay. They have a "Performance" one for $29 but i think they are all the same.
I am too scared to order from China I try to buy in the US. Not much price diff but who wants to wait 2 or 3 weeks to get a part.

The spi-parts.com guy is in CA, not in Europe. Retail is a little pricey but I got a pretty good deal on what I got.

I have used those cone filters before and they can make it tricky for tuning. I have used the foam UNI style on a few bikes and they seem better but it's hard to beat the stock box. You can modify them but making some cut outs. Mary sell some one inch type that you drill a hole and punch them in the hole to flow more air. My son and I do some mini road racing with the South East Mini road group .We have several bikes from a stock TTR90 to a heavaly modded one. I have a ttr125 with a 170 kit as well as a 106 based XR50. Lot of carbs to tinker with.
   I saw several Euro sites to order from but  the deal is 98% on all parts for thr Dragster are Manerilli based. With the Morini motor I'm told that I need to order engine parts for the Italjet formula 50 LC. To add to the confussion more some parts say to the 10mm wrist pin while others say there is a 12m pin version. I like to have my parts on hand but I'm hesitant to order until I tear it down. The big bore 70 Malossi kit is calling my name.
   My wife does not know about the Dragster yet. She looked at it but did not know it was new to me. I thought about a trade on your SR but the Kymco was supposed to be a beater for my nephew. He is a destroyer and I needed a cheap scoot. I did not know I would have to rebuild the whole thing. I got it cheap enough at least I know what's been done and it should last him a while. It was a learning experience, my buddy and I have learned a lot and it makes it easier to get my own fleet dialed in.
   In the end I changed the belt to the right sized one and I used a variator Kit and complete clutch meant for a GY6 based 50 4 stroke.( Off Ebay ) Then added the 1500 RPM contrast spring and 2000 RPM clutch springs with 7 gm roller weights. I went with a stock Kymco piston and rings, added the Leo Vince tt pipe. We cut out a chunk of the inside of the air box to increase flow and never touched the carb other that to turn the air screw to 1.5 out. It runs great, plug is like the color of hot chocolate.
My SR will be next. It runs so good I hate to touch it. I have a new Leo Vince pipe also but now I have a Giannelli on it now. It hard to change anything on it, ( But I will ). I think it needs the heavier conta and clutch springs. I runs good but will loose speed on a long incline. I work from home most of this week maybe we can get  a ride in depending on how much free time I can get .
   

I wasn't looking for a scooter but when I was there looking for a part I saw it. Always thought they were cool. It was not the copper one. It was red, story was it was traded in and the son in law bought it but then decided to sell it. I grabed it because I thought it would not last long at $600. I offered $500 and the took it. Then I did research and found out after the deal was done was that they come with 2 different motors, One a minarelli that there are a million parts for and a Morini that there is very little for. When I picked it up the next day sure as sh** it was the Morini motor. I was a little disapointed but it still run great and it very trick looking. I'll use it when I travel to races and events and not beat my Aprilia to death. In a couple of years I'll give it to my kid. He's 13 and has his eye on it
   I was told the 90PSI in marginal and it will run but not well, no power, It is supposed to have like 140 PSI. I bought a Kymco piston from Dal-Kaw because I wanted the part that day. What a rip off. My buddy broke the ring when going back together. Dal wanted $40 for just the ring, I refused to do business with Dal-Kaw, I found these guys on line
http://www.partspitstop.com/pages/OemParts?aribrand=KYM They have a micro fisch to look up parts and the price was almost half of the pirate. They shipped it to me in 3 days. I would buy from them again. If I had to do it again I would buy one for $20 off  ebay. I had about $140 in the Kymco one.
   I do not think my issue is with the carb, it runs too good, it's got the be tuning the CVT. It's ridable now but I think it can be better. I just did the variator, belt and clutch torque spring(1500) on my wifes Aprilia Scarabeo yesterday.  It pulls great. I need to take it for a longer test ride.  Before it ran great but would slow down from 50MPH to about 25 on a long hill I use as a test ride. I hope the stonger spring will help.
  I'm going to order the 1500 torque and clutch spings for the Kymco and then I'm done with it.

 
 

What's up,  Any luck on your carb? I had to travel for work to Mass and PA. I was waiting on parts to come in for the Kymco. In the mean time I bought an Italjet Dragster from Charlie on Haywood road. It's bad to the bone. Got the right belt from Mary and a new vatiator for the super 9, I bought a chinese gy6 for $20 of ebay. Everything is back together now. Used the 6gm weights that came with the Leo Vince pipe for a starting point. Runs much better. It will pull off and run now. Top end is great acceleration is great. Only small thing I noticed was when you crack the throttle it moves and takes off but it seems like it take a few seconds, too long for me,  for it to switch to the higher gear and really take off. Any ideas? From my research it seems the GY6 139 style clutch that I used comes with a 1000 rpm spring. Everything is stock on the super but the new pipe. When I used the lighter rollers it seemed like it let the engines RPM's rev higher 12K vs 9.5K. In the end I will give this scooter to me nephew. He is a dystroyer and if it revs too high he will blow it up. I'm thinking stronger clutch springs but my mechanic says give it time and ride it. I only did a quick test ride up and down the street. 

On your scoot, there a alot of parts out there on ebay that are cheap. If theres no compression, like my Kymco ( 90 PSI ) when I bought it from my buddy, you can just do the piston and rings. Check out this link, http://www.scrappydogscooters.com/Replacement_Parts.html  Lots of info on coversion parts. I also have a sourse for OEM Kymco parts so you do not have to go to the pirate in Hendersonville.  But Kymco is proud of there stuff pricewise.
 
 

I'm worried now that I have switch to the chinese GY6 parts the Kymco sized belt won't work.I am concerned with the lengths. Stock is 748mm and most of the chinese with 12" wheels use a 729mm
( maybe the pulleys are a different size because the Motors are the same) Maybe i'm worried for nothing. Parts are on the way. I'll know next week. It looks like the weights controll the RPMs, the 5's let it rev to high IMO. If I send it to my nephew with it reving to 12 to 13K RPMs he will blow it up. The 6's let it rev to about 10.5K, wihich is still above red line but feels safer to me for him. With the 8.5 stock ones it only reved to about 8.5 or 9K which was at or below red line. It looks like 6 or 7's will be what I want. I have delt with both shops on Haywood. They are owned by brothers. Both have treated me well. It depends on who has the part I need. Of the two I think C & J's, has been most helpful on questions and helping with used parts if he has them. When I'm in a bind and need something ASAP I will go to C&J first. Charley the old guy is the one I deal with. I have never had them work on anything. I am usually trying to use my connections to get deals or order myself off ebay and I have a buddy who is a decent mechanic. Mary at City foreign on Merrimon is a great source too but she leaves the hard core scooter stuff to the others. I'll post up after the parts are on. If I can get it to take off I'll be happy, the top end is runnig great. I've gone to the one in Marvin Hills, they were useless.

Hi
 I know this is an old post but I'm having trouble tuning my 2004 super 9 lc.
The previous owner replaced the belt just before I got it. He used a 743X20X30 bought from a local shop. Does the difference in belt size cause the scoot to have take off problems. Runs great once the RPMs get higher and pulls hills good, but take off from a stop sucks. It will not pull off. So far I have changed the rollers and a new clutch today but still no good. The clutch has the stock springs both clutch and contrast. Any suggestions? I'm baffeled.
Thanks, Ken

Thebatman, just noticed your from Asheville. Me to. Saw your post about clutch springs and contra spring on another forum  "Oh yeah, I had use 1500 and 2000 clutch springs on my zx when it was modded stock. the 1500 with a 1000 contra should be good...(then jet the carb. )"

Do you have any of the clutch springs laying around? I'm trying to get the scooter done ASAP.
Thanks