How to replace the Battery in the Key Fob of your Rocket 3

How to Replace the Battery in the Key Fob of your Rocket 3

This was a new one for me.  Fifty-four years of riding and I’ve never needed a new battery for the key fob of a motorcycle.  Of course, I’ve never had a motorcycle with a key fob, either.

It is alarming when the instrument panel turns orange and tells you something is amiss.  It used to tell me it could not locate the key fob, but changing its position in the pocket of my riding pants fixed that.  Last week it told me the battery in the key fob was weak.  I was off for a ride with an intended stop or two, so instead I went for a ride with no stops.

Back in the garage, I took out the owner’s manual and it looked like a pretty simple task.  Remove the key fob cover, remove and replace the battery, and replace. With a long history of screwing up almost any mechanical task, this looked easy even for me.     Wrong.

First of all, the key fob battery cover can be removed by taking out one small fastener. A really small fastener.  Go ahead and look through all of your Allen keys. You do not have one that small.  A trip to your nearest auto parts store will get you the correct one, although with my history I took the manual with me so I could read the correct size off for the guy at the counter.  0.06 inch or 1.5mm AF Allen key.  Don’t know what “AF” refers to, do you? *

The grocery store next door will have the correct battery.  Buy two.

Back at home, I removed the fastener, very carefully.  If you drop it, it will fly away to the land of lost 10mm sockets and you will never see it again.  Managed that without peril.

Now remove the CR2032 lithium battery.  Oops!  The battery is held in place by three tabs. It does not slide out.  It does not shake out.  A little work with a screw driver, combined with decades of experience, let me know I was probably about to spend a lot of money.  With the lessons learned from lots of sad experiences, I quit.

Drove into Seattle in my car to Triumph of Seattle, with the pieces in a bag and the owner’s manual.  Not really a waste, as I could go for a walk around Green Lake and also look at Triumphs, because my birthday is coming up and who deserves a second Triumph more than me?  Exactly.

Talked to John, a massively experienced tech and parts guy. He could not figure it out, and helpfully called his contact at Triumph USA.  That person had no clue. In fact, nobody knew what to do, as this was evidently the first time the issue had come up.  My bike is ten months old and closing in on 6,000 miles, so if this has not happened to yours yet, it will.

Went to see salesman Andy, who I have purchased three Triumphs from and possibly a fourth soon.  Had to wait for a free moment, because Andy sells a lot of motorcycles – because he does a fantastic job.

When he had a moment free, he took a look, fiddled a bit, and then devised the answer.   With one finger you press down firmly on the edge of the battery furthest from the tangs holding it in place.   With a small screw driver or, in Andy’s case, a serious knife that Crocodile Dundee would respect, you pry up on the other side and the rubber tangs have enough give that the battery can slide out.  Then you do the reverse with the new battery, being careful to get it in the right way up.

Back home, I very carefully put the cover back on and managed not to drop and lose the fastener.  Done!

If you do not happen to be near Seattle, you can probably now do this yourself!

        * I could not stand it, and looked it up.  AF stands for “across flats” which is how the size is measured

Ride safe, ride fast, and ride often!

Copyright 2021                           David Preston

About david

I am a 73 year old motorsports nut who lives in Snohomish, Washington. After a 31 year career as an English teacher, I segued into a self-created job in the motorsports business. Now retired, I was involved in customer relations for Ride West BMW in Seattle, after almost 10 years of similar work for the Cycle Barn MotorSports Group. I own, at the current time, a Triumph Rocket 3 (2020) and a 2016 Ford Focus ST. What else would you like to know?
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