Ambient Air temperature Sensor, Part #

Joined
Nov 3, 2025
Messages
11
Age
60
Location
Shropshire
Bike
ST1300
Hi All, my ambient air temperature sensor is on the blink, showing 13 degrees when its 22 degrees!! I can not seem to find the part or the part # on the main dealer sites and have found a used one on eBay for £60 which i think is a little expensive... Does anyone know the part # or where i can locate a supplier for a new one?
Thanks in advance
Stuart
 
I've bought a few parts from Al Gully - a rear brake caliper and a (rear) shock. Both shipped well and as-described for a reasonable price. If I needed a replacement ambient air temperature sensor, I'd start with Al.
Hopefully this is useful: https://www.st-owners.com/forums/threads/2005-st1300-parts-bike-has-been-disassembled.189672/
CC: @Al Gully

I made a big lie.
I'd probably buy a used ambient air temperature sensor and I'd reverse engineer what thermistor was being used because.... nerd.
 
Does anyone know the part # or where i can locate a supplier for a new one?
Your profile does not state what year ST1300 you have, and you didn't include that information in your request. The below P/N is for a 2009 ST1300/Pan European.
You will need to verify the P/N for your model year.

This part is found on the fiche for the lower cowl.
I assume that your in Shropshire, England. Below is an example from Fowlers.
Click on the below link- Item # 2 on the below parts fiche.
SENSOR, OPEN AIR TEMPERATURE, Honda P/N 37890-MCS-G01.
 
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