OP
UTC

Enthusiast
2008 MP3 250
Joined: UTC
Posts: 66
Location: Jacksonville Florida
 
Enthusiast
2008 MP3 250
Joined: UTC
Posts: 66
Location: Jacksonville Florida
UTC quote
My 08 MP3 250, will it run without the seat on? Did I read on here somewhere that the scoot won't rev over 1600 rpm without the seat on or at least closed. I've gotten somewhere in the past 4 months. Replaced fuel pump and injector and cleaned the throttle body best I could and she at least will start and run for 10 to 15 seconds without starting fluid but won't rev.. Most of the body work is still off along with the taillights. Anything there that would keep it from revving?
UTC

Molto Verboso
2015 MP3 500 ie Business
Joined: UTC
Posts: 1086
Location: Belgium
 
Molto Verboso
2015 MP3 500 ie Business
Joined: UTC
Posts: 1086
Location: Belgium
UTC quote
MP3s have a seat sensor. Without some load on the saddle, the bike will not rev.
@maksor avatar
UTC

Ossessionato
Gilera Fuoco 500ie
Joined: UTC
Posts: 4508
Location: Netherlands Olst
 
Ossessionato
@maksor avatar
Gilera Fuoco 500ie
Joined: UTC
Posts: 4508
Location: Netherlands Olst
UTC quote
yes it will simply unlock tilt lock but i should run longer then 10 to 15 secs
@stickyfrog avatar
UTC

Moderatus Rana
MP3 250 and 2 MP3 500s
Joined: UTC
Posts: 22637
Location: Nashville, Indiana
 
Moderatus Rana
@stickyfrog avatar
MP3 250 and 2 MP3 500s
Joined: UTC
Posts: 22637
Location: Nashville, Indiana
UTC quote
Yeah either put the seat on and connect the sensor then sit on it (safest method) or put a jumper across the seat sensor clip and put it on the center stand.
OP
UTC

Enthusiast
2008 MP3 250
Joined: UTC
Posts: 66
Location: Jacksonville Florida
 
Enthusiast
2008 MP3 250
Joined: UTC
Posts: 66
Location: Jacksonville Florida
UTC quote
Can only a vespa dealer do the flash of the ECU? After reading about other peoples experience with that being done sounds like it couldn't hurt mine. Not sure I can really trust my local Vespa dealer. It's a Honda shop here in Jacksonville Fla. I've read that it's expensive, not sure what that means but I know this shop charges $90.00 per half hour. I would think it would take less than a half hour but who knows. I'm just like everyone else, I don't want to get screwed. Thanks. Tom
UTC

Molto Verboso
2015 MP3 500 ie Business
Joined: UTC
Posts: 1086
Location: Belgium
 
Molto Verboso
2015 MP3 500 ie Business
Joined: UTC
Posts: 1086
Location: Belgium
UTC quote
Only Vespa/Piaggio dealers have access to the (dealer only) PADS tool to access to the ECU.

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