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Old 12-29-2013, 09:19 PM   #61
brianwheelies
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Quote:
Originally Posted by Cortez View Post
Fine, I'm a liar then.
I don't care.

Unsubscribing.
Not saying you are a liar but 225 bikes out of 300 being sold through one dealer blew up?

A high quantity of bikes fouling plugs?

These bikes are not like a carbed bike. To get excess fuel out of this type of FI system is only possible by having low compression. That or the wrong spark plug. Or a stock bike running a Malossi piggyback TC unit.
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Old 12-29-2013, 10:35 PM   #62
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You know what the problem with the dealer you worked for with fouled plugs and blown motors could have been? Mixing oil with gas and not filling the oil tank.

Fouled plugs. Blowing up engines from no oil to the bottom end. Sounds like your description of these bikes to the 't' Cortez.
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Old 12-30-2013, 02:34 AM   #63
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This was happening all over europe, not just in one dealership.

The injector used in those engines was removed from market very soon
after that, and most EU countrys never imported any FI scooters ever again.

I gain or loose nothing by making this up, people lost their jobs, reputations
etc because of this, I was just there when it happened, and figured it was
common knowledge to everyone because of the internet, but then I
figured out that it didn't happen when gas quality was ok.

There's still people locally riding on some of these that didn't blow up,
and you'll find a spare spark plug in every single one.
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Old 12-30-2013, 08:37 AM   #64
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Brian, does your SR have direct injection (EFI, not oil) or a throttle body?
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Old 12-30-2013, 10:36 AM   #65
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Originally Posted by B02S4 View Post
Brian, does your SR have direct injection (EFI, not oil) or a throttle body?
It is direct injection. Has an onboard compressor driven off of the crank that forces air to the combo fuel and air injectors straight into the combustion chamber just before ignition.
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Old 12-30-2013, 11:05 AM   #66
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It is direct injection. Has an onboard compressor driven off of the crank that forces air to the combo fuel and air injectors straight into the combustion chamber just before ignition.
Very cool. Is it mechanical fuel injection then, instead of ECU-controlled?
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Old 12-30-2013, 01:07 PM   #67
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Very cool. Is it mechanical fuel injection then, instead of ECU-controlled?
ECU controlled.

Not the simplest scoot out there. It relies on the ECU and the dash computer to function. Should someone steal the bike they would need to replace the dashboard as it communicates with the transistorized key.

A new dash is over $600.

These are not your ordinary scooter by any means.

Cortez, I am not trying to discredit your information. You are saying these bikes are riddled with issues but anything can be under certain circumstances. If you don't inherit a bike with problems they are very reliable and perform admirably.
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Old 12-31-2013, 05:38 AM   #68
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mwlehman, thanks for posting this info, I wonder if it would be this easy to do on mu 2007 if i ever needed to? Ive had a airpump line get a tiny hole that had me wanting to tear off the complicated injection system once. Good info just got back from Ft Meyers beach and am not enjoying our weather back home. Would love to take scotters with us next time and do some exploring, esp., the coastal road to Bonita




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here is the write-up I did on the Aprilia forum

http://www.apriliaforum.com/forums/s...-Total-Cost-49
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Old 12-31-2013, 09:56 AM   #69
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Johnny....
AF-1 racing has a good forum on SR-50's....
A couple of guys in my club have tricked out SR-50's.....
If you ever get to Grand Rapids, we meet on Thursday's for rides, when this weather gets to be spring again......
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Old 12-31-2013, 04:41 PM   #70
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here is the write-up I did on the Aprilia forum

http://www.apriliaforum.com/forums/s...-Total-Cost-49
Excellent write-up. The SR 50 and Malaguti F-15 are two of my favorite performance small scooters that are/were sold in the US, and it's great to see Piaggio committed to bringing the SR 50 in. It's good to know that you can junk the ditech and convert the Aprilia to a carb and put all the fun stuff on it.
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Old 12-31-2013, 09:43 PM   #71
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my 2003 has 7900 miles on it and my wife has 1900 on her 01 ditech
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Old 01-01-2014, 06:22 AM   #72
johnyrrr
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Ive been to the AF1 website for info, pretty informative. I wonder how long it would take me to get to GR for some SR50 action, you sure dont see many around here, Id love to se some hopped up ones. Mines supposedly Derestricted and has a Leo pipe and I changed the rolers and it does about 47mph pulling 200lbs.

Quote:
Originally Posted by greg531 View Post
Johnny....
AF-1 racing has a good forum on SR-50's....
A couple of guys in my club have tricked out SR-50's.....
If you ever get to Grand Rapids, we meet on Thursday's for rides, when this weather gets to be spring again......
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Old 01-01-2014, 06:24 AM   #73
johnyrrr
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Thanks for posting the info on carbing the ditech, I wonder if you tried a cheap Arreche 19mm carb if you get a little more out of yours, 17mm is small for a piped version I think. Upping the carb is the first thing to do when building the zuma over 50cc when I had one, just a thought??

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my 2003 has 7900 miles on it and my wife has 1900 on her 01 ditech
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