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V85TT wouldn't start until ECU reset

pgould20

pgould20

Just got it firing!
Joined
Sep 24, 2023
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Anyone else have a similar problem? - After a riding about 50 miles and stopping for a coffee my V85tt would not start. Side stand up, on center stand and in neutral, all it would do was turn over once then stop. The bike had gas and the battery was charged but it would only do the initial turn over then stop. (As if the start button was being pushed then released.) After disconnecting the negative terminal and waiting a few minutes, it started right up and was fine the rest of the day. I assume this reset the ECU. Is this an indicator of problems to come or is it a "they all do that" event?
TIA
 
Never heard of this, but I have run into a corrosion issue on the battery terminal that can cause similar problem, as in no start. I'd recommend removing both battery connections and cleaning them so this shouldn't happen again.
 
pgould20 said:
I assume this reset the ECU.
Click to expand...
Hard no. Per John’s words above and for the 8-trillionth time, see below. ;)

www.guzzitech.com

Modern AGM Batteries and grounds - NO START ISSUES

Most problematic starting/running issues on modern Guzzis over the last ~15 years comes down to two things, battery life and cable cleanliness and connections. Modern AGMs have fairly short lifespans, especially if not factory prepped. Some last as little as a month or two, down to a few weeks...
www.guzzitech.com www.guzzitech.com
 
LOAD TEST your battery. This is discussed ad nauseaum in the forums. I would not be the slightest surprised to find out that it fails a load test.
 
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