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2013 buddy 170i engine surges

 
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carmen007
Member


Joined: 05 Jan 2015
Posts: 1
Location: Denver
buddy 125, Kymco people 300i

PostPosted: Tue Aug 06, 2019 3:12 am    Post subject: 2013 buddy 170i engine surges Reply with quote

2013 buddy 170i
My buddy surges at Idle. sometime it dies while riding.
I have replaced the coil, did valve adjustment. but the engine still surging.
Any ideas?

https://ve.media.tumblr.com/tumblr_pvsh264Bju1slkdo4_720.mp4
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Stanza
Member


Joined: 29 Jan 2018
Posts: 466
Location: Chicago
Puch Maxi, Honda C70

PostPosted: Tue Aug 06, 2019 1:39 pm    Post subject: Reply with quote

TPS reset.

With key off, open throttle all the way.
Turn key on, but do not start bike. Wait for check engine light to shut off.
Release throttle,
Turn key off
Start bike as per usual.

Needs to be done any time the battery is out or disconnected.
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iwannascoot
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Joined: 09 Apr 2016
Posts: 91
Location: Dawsonville Ga
Buddy 170i

PostPosted: Wed Aug 07, 2019 1:44 am    Post subject: Reply with quote

Stanza,

I replaced the battery in my Buddy 170 and did not follow this procedure. It seems to be running perfectly. Would you recommend I do this?

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Stanza
Member


Joined: 29 Jan 2018
Posts: 466
Location: Chicago
Puch Maxi, Honda C70

PostPosted: Wed Aug 07, 2019 2:32 am    Post subject: Reply with quote

If yours is running perfectly, you may have stumbled on a unicorn, and should leave it alone. But generally, if you have the battery out, a TPS reset is needed.
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Guitargirl478
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Joined: 22 Jul 2019
Posts: 1


PostPosted: Thu Aug 08, 2019 6:45 pm    Post subject: Reply with quote

I just bought a used one and it seems to be doing this. I think they said something about replacing the batter. I am going to try this first to see if it fixes it. So glad I joined this forum!
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GregsBuddy
Member


Joined: 11 Jan 2015
Posts: 461
Location: North SF Bay
Buddy 170i Vespa GTS 250ie Piaggio BV350

PostPosted: Fri Aug 09, 2019 3:43 pm    Post subject: Reply with quote

My 170i had some small running problems just before the battery failed. I died at a stop light and once while riding in a straight line at ~40 MPH.
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'15 170i Small sport scoot'
'06 Vespa 250ie GTS Medium smooth cruiser
'16 Piaggio BV350 Medium sport scoot'
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