Tilt Lock horn
rwelford
Sun Jul 03, 2022 5:34 am
Hooked
MP3 250
Joined: 11 Feb 2019
Posts: 123
Location: Palm Harbor, FL
 
rwelford
Hooked
MP3 250
Joined: 11 Feb 2019
Posts: 123
Location: Palm Harbor, FL
Sun Jul 03, 2022 5:34 am linkquote
Hey all. I hope everyone is doing well.

Having the issue with the tilt lock horn sounding when I engage it.

I noticed that when I was using the tilt lock the bike was not that steady on it.

Checked sensor on each wheel and the are fine. Checked the fluid level and saw it was low. But the fluid was clean so I topped it up. This has made the bike stable when engaged but the horn is blaring! Any ideas? As it still locking and unlocking.

Ross
Azencot Nir
Fri Jul 15, 2022 8:21 pm
Member
Piaggio MP3 400
Joined: 07 Aug 2015
Posts: 19
Location: Israel
 
Azencot Nir
Member
Piaggio MP3 400
Joined: 07 Aug 2015
Posts: 19
Location: Israel
Fri Jul 15, 2022 8:21 pm linkquote
as first step, disconnect the purple plug of hyrdro sensor and see if you have liquid drop there, it is a com issue.
old as dirt
Sat Jul 16, 2022 4:19 am
Veni, Vidi, Posti
Neutrino MP3 492.7 AK, 2013 Moto Guzzi Norge
Joined: 29 Mar 2008
Posts: 22098
Location: Harriman, Tennessee, Tn
 
old as dirt
Veni, Vidi, Posti
Neutrino MP3 492.7 AK, 2013 Moto Guzzi Norge
Joined: 29 Mar 2008
Posts: 22098
Location: Harriman, Tennessee, Tn
Sat Jul 16, 2022 4:19 am linkquote
rwelford wrote:
Hey all. I hope everyone is doing well.

Having the issue with the tilt lock horn sounding when I engage it.

I noticed that when I was using the tilt lock the bike was not that steady on it.

Checked sensor on each wheel and the are fine. Checked the fluid level and saw it was low. But the fluid was clean so I topped it up. This has made the bike stable when engaged but the horn is blaring! Any ideas? As it still locking and unlocking.

Ross
low fluid will cause air in the system and then you get the dreaded horn. you need to have the system flushed and filled. Also inspect for leaks.
Madison Sully
Sat Jul 16, 2022 7:56 am
Veni, Vidi, Posti
MP3 500, GTS 250 (both 2008 MY), 2013 Piaggio BV 350, 2014 Can Am Spyder RT
Joined: 02 Mar 2013
Posts: 7016
Location: Madison, Wisconsin
 
Madison Sully
Veni, Vidi, Posti
MP3 500, GTS 250 (both 2008 MY), 2013 Piaggio BV 350, 2014 Can Am Spyder RT
Joined: 02 Mar 2013
Posts: 7016
Location: Madison, Wisconsin
Sat Jul 16, 2022 7:56 am linkquote
Fluid level being low is a good indication there is a leak, and one common place for leaks is the pressure sensor.

If memory serves, the pressure sensor is located just below the tilt lock fluid reservoir, just 'upstream' of the "T" that sends pressure to either side.

I replaced one of these on my wife's MP3 250, and was shocked that:
1. It fixed the issue, and
2. How very little fluid was leaked into the switching part.
  DoubleGood Vespa Design  
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