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Old 09-18-2013, 08:59 AM   #31
klaviator
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Originally Posted by beltfed72 View Post
.................................................. ......... Thanks again guys, wish Klavinator would chime in here too.
Sorry, I've been been out riding my Sport City in the Ozarks and was away from my computer for over a week. I really couldn't help you anyway. Electrical issues are not something I'm good at. I have been lucky with my sport city. 17,170 miles and no problems except for a leaky fork seal.

I will agree that the Service manual is semi worthless and there just isn't much information out there on this model. I wish you luck figuring this out because the sport city is a great ride.
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Old 09-18-2013, 10:07 AM   #32
driller
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Plug Plug wire?

I have been following this. Has any mention of a faulty plug wire or cap been made? Somewhere in my foggy memory, I recall seeing a post about some aprillia/piaggio scoots having a failure after hitting a hard bump. The problem was related to a too short ignition wire that broke or was damaged due to lack of play in the wire.
Just trying to add to the collection of ideas. Good luck!
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Old 09-18-2013, 11:16 AM   #33
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Thanks, and actually that was one of the first things I found when looking for common issues. The coil wire is tied to the swingarm (with a zip-tie) so every time you hit a bump it gets shorter. A big bump with a much heavier rider (me) than the PO would have certainly been a great place to start. Unfortunately, this problem had reared it ugly head previously, and aformentioned zip-tie had been cut already. Thanks for the input, much appreciated. I`d really like to find someone with a 2006-2008 Sportcity or Scarabeo they`re parting out. I need the ECU/Throttle body assy.
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Old 09-18-2013, 12:06 PM   #34
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Check with the guys in this thread http://modernvespa.com/forum/topic120406 Vespa GTS 250 has the same motor so the parts may be interchangeable.
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Old 09-18-2013, 03:09 PM   #35
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Check with the guys in this thread http://modernvespa.com/forum/topic120406 Vespa GTS 250 has the same motor so the parts may be interchangeable.
I just cracked and ordered a new one from Apriliasuperstore. If it fires, yay...up for sale. If it doesn`t...well it doesn`t. I have spent COUNTLESS hours on this thing, wrenching and searching. I need closure, whether it`s $450 for the ECU/Throttle body or a gallon of diesel fuel. I really do appreciate the input, please excuse my disgruntled disposition.
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Old 09-18-2013, 03:54 PM   #36
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I just cracked and ordered a new one from Apriliasuperstore. If it fires, yay...up for sale. If it doesn`t...well it doesn`t. I have spent COUNTLESS hours on this thing, wrenching and searching. I need closure, whether it`s $450 for the ECU/Throttle body or a gallon of diesel fuel. I really do appreciate the input, please excuse my disgruntled disposition.
Wow that's a lot of money to risk. I can certainly understand your disgruntled disposition. I have under 10,000 miles on my Genuine Stella, and several things have gone wrong with it during that time, including one fried top end. These issues are not the result of design problems, they are caused by poor quality manufacturing and materials. Fortunately the Stella is so simple it is easy to work on and troubleshoot, and I've never had any trouble finding and fixing the problem. I find it very frustrating and disheartening, and downright sad actually, that manufacturers are building bikes (and cars) that the owner can no longer work on.

Anyway, I hope your investment pays off and you get it going. If so, you will have still gotten a good deal on it. If not, well, it happens. It has happened to pretty much everybody who is into bikes and cars. Sometimes you are going to lose, and it is never fun. Best of luck.
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Old 09-19-2013, 08:16 AM   #37
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Wow that's a lot of money to risk. I can certainly understand your disgruntled disposition. I have under 10,000 miles on my Genuine Stella, and several things have gone wrong with it during that time, including one fried top end. These issues are not the result of design problems, they are caused by poor quality manufacturing and materials. Fortunately the Stella is so simple it is easy to work on and troubleshoot, and I've never had any trouble finding and fixing the problem. I find it very frustrating and disheartening, and downright sad actually, that manufacturers are building bikes (and cars) that the owner can no longer work on.

Anyway, I hope your investment pays off and you get it going. If so, you will have still gotten a good deal on it. If not, well, it happens. It has happened to pretty much everybody who is into bikes and cars. Sometimes you are going to lose, and it is never fun. Best of luck.
Thanks Jerry,

I figure it`s worth it, either way. It`s closure, and actually, now that I know what`s what with this bike I may just make some fangled/farkled/frankencycle (which will be carbureted and straight 12v to headlight tail-light) Material quality is just shyte these days no matter what you buy from where. i`m starting to think that all of the good steel is going to China, and since nobody else (especially us) can buy that kind of volume, we get the 2nds. I hope this ECU works, seriously.
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Old 09-19-2013, 02:57 PM   #38
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Like I said, I certainly hope the new parts work, but I would also love to see someone convert a FI scooter to a carb. I converted a throttle body Chevy 4.3 V6 from FI to a carb, and at the same time removed all the emissions crap from it. But it was a fairly involved task that cost over $1500. I had to buy a new carb and manifold (fortunately the 4.3 had been available in a carbed version before the FI came out, so the parts were available for the earlier model) I used headers, and built a straight dual exhaust right out the back. I had to use a low pressure electric fuel pump to supply gas to the carb, and the distributor had to be replaced with a non computer controlled one. The smog pump was removed, and I had to fabricate an idler pulley to replace it, so the serpentine belt would still fit. And of course there was a long list of "little things" but it came out nice, runs so much better, and it gives me a great deal of satisfaction that it is now computer and emissions crap free.

On a scooter your biggest problem in converting to a carb will likely be the ignition, which is also controlled by the same computer that controls the FI. If the tank is lower than the carb, gravity feed won't work, and you will need a low pressure fuel pump to get fuel to the carb. I thought about buying a used Suzuki TU250 and seeing if I could convert it to a carb.
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Old 10-12-2013, 12:23 PM   #39
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Thanks to everybody, the ECU fixed the problem. I am scared of this thing now, just too damned complex. I need to change the oil and CVT fluid, any suggestions? If anyone close to Atl wants this thing on the cheap, send me a pm. Thanks again y`all, really.
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