Bad engine noise - Harley Davidson Street Forum - Street 500 and 750
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post #1 of 18 Old 09-08-2016, 03:43 PM Thread Starter
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Bad engine noise

I have a 2015 Street 750 with about 3000 miles on it, it has developed an intermittent loud metallic sounding rattle. It is almost always noticeable just after starting, and is intermittent when riding. No major noticable performance issues.
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The sound is very noticeable at 20 seconds in. I know it is difficult to diagnose anything just by sound, but does anyone have an idea as to what this could be? Waiting to get a call back from the dealer as to getting it checked out.
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post #2 of 18 Old 09-08-2016, 06:03 PM
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Is the Noise near the Top? Front or rear?

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post #3 of 18 Old 09-08-2016, 07:54 PM Thread Starter
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Difficult to pinpoint, seems to be coming from a lower area like the crankcase, around the middle or closer to the front.
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post #4 of 18 Old 09-09-2016, 04:43 AM
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sounds like heat shield is loose to me its a very tinny sound
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post #5 of 18 Old 09-09-2016, 04:45 AM
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also check the one that goes onto yr muffler as u pointed cam there it was louder
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post #6 of 18 Old 09-09-2016, 07:51 AM Thread Starter
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Originally Posted by zipster_77 View Post
sounds like heat shield is loose to me its a very tinny sound
That was my initial thought too, I tightened everything down and that did not solve it.
Dealer will be looking at it Monday, glad it's still under warranty
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post #7 of 18 Old 09-10-2016, 04:30 AM
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Engine noise

Hello
I also have a new street 750 which has done just about 150 miles making the same sound when idling or in low gear. What was the input from your dealer. If you could share the information I will be grateful.
Thanks
Bala
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post #8 of 18 Old 09-10-2016, 07:50 PM
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Check and tighten all fittings on your exhaust system

I would check all of your fittings on your exhaust system, to make sure a nut, washer, or heat shield fitting hasn't came slightly lose from your 1st 3000 miles on your new bike. And check your oil level to make sure it is also set at the correct level.

I changed my oil out at 500 miles, and put in HD Screaming Eagle 20W50 full synthetic with a new filter. I notice that the engine did run smoother with the full synthetic oil.
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post #9 of 18 Old 09-16-2016, 10:09 AM Thread Starter
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Hello
I also have a new street 750 which has done just about 150 miles making the same sound when idling or in low gear. What was the input from your dealer. If you could share the information I will be grateful.
Thanks
Bala
My bike has been at the dealer for a week, I called to check on the status and was told their technicians haven't heard this sound on a street before and haven't been able to diagnose the issue yet, and are waiting to hear from corporate as to what they should do going forward. Not really sure what they're going to be doing with it yet.
If your bike is still making this sound, take it to the dealer asap.
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post #10 of 18 Old 09-16-2016, 05:05 PM
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The Right side correct? Maybe something with the Clutch

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