Modern Vespa : Speedo ASR question

Speedo ASR question

OP colosseo UTC details Hooked 1980 P200E - GT 200 L - 2005PX150 Joined: UTC Posts: 476 Location: Florida
OP colosseo Hooked 1980 P200E - GT 200 L - 2005PX150 Joined: UTC Posts: 476 Location: Florida	UTC quote After removing the old tire from the rim REAR TIRE, the ASR light blinks and the speedo is not moving, expect when I start the engine. REAR TIRE, not the front What can it be? Thanks

DresGTS UTC details Member 2015 GTS 300 SS Joined: UTC Posts: 24 Location: SF Bay Area
DresGTS Member 2015 GTS 300 SS Joined: UTC Posts: 24 Location: SF Bay Area	UTC quote You have to reset the ASR system every time you change tires… Videos online with good explanation. I just did a reset on my 2015 GTS and it was fairly easy

OP colosseo UTC details Hooked 1980 P200E - GT 200 L - 2005PX150 Joined: UTC Posts: 476 Location: Florida
OP colosseo Hooked 1980 P200E - GT 200 L - 2005PX150 Joined: UTC Posts: 476 Location: Florida	UTC quote Was your speedo not working as well ?

DresGTS UTC details Member 2015 GTS 300 SS Joined: UTC Posts: 24 Location: SF Bay Area
DresGTS Member 2015 GTS 300 SS Joined: UTC Posts: 24 Location: SF Bay Area	UTC quote The speedo was working fine actually. Part of the ASR reset is to keep a constant speed of ~18mph so I remember looking down at it.

OP colosseo UTC details Hooked 1980 P200E - GT 200 L - 2005PX150 Joined: UTC Posts: 476 Location: Florida
OP colosseo Hooked 1980 P200E - GT 200 L - 2005PX150 Joined: UTC Posts: 476 Location: Florida	UTC quote I did, nothing happened ⚠️ Last edited by colosseo on UTC; edited 1 time

DresGTS UTC details Member 2015 GTS 300 SS Joined: UTC Posts: 24 Location: SF Bay Area
DresGTS Member 2015 GTS 300 SS Joined: UTC Posts: 24 Location: SF Bay Area	UTC quote Did you check the ASR sensor and its distance from the ASR sensor wheel? What year and model is your scoot?

OP colosseo UTC details Hooked 1980 P200E - GT 200 L - 2005PX150 Joined: UTC Posts: 476 Location: Florida
OP colosseo Hooked 1980 P200E - GT 200 L - 2005PX150 Joined: UTC Posts: 476 Location: Florida	UTC quote 2019 GTS 300

DresGTS UTC details Member 2015 GTS 300 SS Joined: UTC Posts: 24 Location: SF Bay Area
DresGTS Member 2015 GTS 300 SS Joined: UTC Posts: 24 Location: SF Bay Area	UTC quote I'm sure you already did but I'd make sure that rear sensor is plugged correctly and sitting flush with the swing arm. I had to correct mine as it sat weird in the hole it goes through. Good luck!

SteelBytes UTC details Veni, Vidi, Posti 2019 GTS 300 HPE Supertech E3 64,000km Joined: UTC Posts: 6407 Location: Batmania aka Melbourne, Australia
SteelBytes Veni, Vidi, Posti 2019 GTS 300 HPE Supertech E3 64,000km Joined: UTC Posts: 6407 Location: Batmania aka Melbourne, Australia	UTC quote probably a bent ABS ring on the rear. or you got the washers wrong that are sometimes on the small screw holding the sensor - this affects the spacing between the sensor and the ring which is important. Start by looking at the gap while you turn the wheel fully around watching the gap in consistent. I have bent this myself and was able to bend it back and all good.

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