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Where has my burble gone.

3K views 25 replies 12 participants last post by  DaveM 
#1 ·
Had a good ride out today in the Spring sunshine. However on deceleration the burble that we all love seems non existent. Other than that the bike seems fine. Although I am not sure whether the performance is quite as crisp as it was at the end of last year.

Had it serviced a couple of weeks ago and new air filter, plugs etc. Could some pipe or connection have been disturbed??
 
#5 ·
got a nice tip from the dealer tech today you can try....

ride the bike a little, then let her sit and cool off for about 3 hours.

start it, and just let it idle, and heat up.....until the fans kick on - shoul be about 10-15 minutes.

Essentially, the ECU will "adjust" itself to any recent changes, upgrades etc at low idle up to heat.

I put on the TOR and had it flashed, and my "burble" was pretty much gone too, at least on decel. Couple days after that, tried this and some of the burble is back!!! did it again yesterday, when I installed a BMC air filter, and OND's "snorkle mod" as well....
 
#8 ·
Seat and tank off this morning. Everything connected as it should be.

Will try the tips above and thank you.

I'm wondering if ambient air temp may have something to do with this as its still cool around here and any air inlet sensor will be running cool.
 
#16 ·
Me, too! (6 years later)

Just installed K&N filter and new plugs. NO BURBLE! Granted, it's a very cool time of year, but I rode her around for about an hour today and only could get some faint hints of the buttery sound.

Will ride it a few more times to see if three heat cycles will do it.

HOPING IT WILL!
 
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