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Zero Motorcycles Forum | 2013+ / Re: 2016 Zero SR making loud buzzing sound on acceleration
« on: May 13, 2016, 12:07:57 PM »
Here's another audio clip where I give it about 50% throttle starting from about 5mph.
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Zero Motorcycles Forum | 2013+ / Re: 2016 Zero SR making loud buzzing sound on acceleration
« on: May 13, 2016, 12:04:50 PM »
Right, the same for me. The buzzing/vibrating sound is very loud, and present at any speed so long as the engine is under med/heavy load (e.g. 50%+ throttle from a stop, or going up a hill).
It's incredibly loud, and the audio clip i posted, if anything, makes the sound less obvious.
It's incredibly loud, and the audio clip i posted, if anything, makes the sound less obvious.
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Zero Motorcycles Forum | 2013+ / Re: 2016 Zero SR making loud buzzing sound on acceleration
« on: May 04, 2016, 12:13:34 PM »
The service shop cleaned and re-tensioned the belt twice. Each time, the sound would diminish, but then it would come back in about 2-3 miles of driving. I've never ridden in the rain or off-road. Only on clean paved streets.
Are others experiencing this noise under normal operating conditions (i.e. recently cleaned/tensioned drive belt)? I'm just trying to determine if this is an expected sound, as it's really loud.
Are others experiencing this noise under normal operating conditions (i.e. recently cleaned/tensioned drive belt)? I'm just trying to determine if this is an expected sound, as it's really loud.
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Zero Motorcycles Forum | 2013+ / 2016 Zero SR making loud buzzing sound on acceleration
« on: May 04, 2016, 06:44:52 AM »
Hi all,
I have about 100 miles on my 2016 Zero SR. About 75 miles in, I started noticing a very loud buzzing sound that occurs only on medium to medium/hard acceleration. It sounds sort of like a chainsaw -- nothing like the pleasant super-high-pitch whine of the electric motor.
I have attached an audio file that captures the noise. You'll hear it on all 3 of my accelerations from about 10 mph.
I took it to the dealer to diagnose. One of the techs rode the bike and immediately said something's not right, and that it's not a normal noise. After putting the bike on the stand, they found nothing obviously wrong, and then cleaned/re-tensioned the belt. The problem initially went away. But then it came back after about 2 miles, just as loud as before.
Any ideas?
I have about 100 miles on my 2016 Zero SR. About 75 miles in, I started noticing a very loud buzzing sound that occurs only on medium to medium/hard acceleration. It sounds sort of like a chainsaw -- nothing like the pleasant super-high-pitch whine of the electric motor.
I have attached an audio file that captures the noise. You'll hear it on all 3 of my accelerations from about 10 mph.
I took it to the dealer to diagnose. One of the techs rode the bike and immediately said something's not right, and that it's not a normal noise. After putting the bike on the stand, they found nothing obviously wrong, and then cleaned/re-tensioned the belt. The problem initially went away. But then it came back after about 2 miles, just as loud as before.
Any ideas?
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