Rattle Through Acceleration
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What RPM are you getting this noise at? Are you sure you're not trying to accelerate too hard in too high a gear and what you're hearing is the motor pinging? Anything under 3000 rpm with too great a throttle opening can cause this sort of rattling noise.
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96 Posts
have this same problem, mine sounds like it's coming from the front fender tho. couldnt find anything wrong so i figured it was just thought it was the nature of the beast.
Aaaaahhhh - but given the RPM range you're talking about, I'd still say it's the characteristic Revo rattle (aka ping) from trying to accelerate too hard in too high a gear. You're not riding an air-cooled Big Twin, you've got a high compression fuel injected DOHC motor that needs to rev. I'll bet that if you get into the habit of down-shifting earlier and keeping your revs above 3000 you won't hear any rattling any more.pads said:
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302 Posts
:helpme: Mine had a rattle since day one. Upon accelation it seem to occur up around the radiator. could not find anything loose, but possiblibly the engine is up against the radiator shrould or something to do with the cooling fans assembly. Anyone have this same occurance.:helpme:
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61 Posts
I have the same rattle on the left side. It seems to only happen when the motor is being lugged in 4th or 5th gear. I checked all heat shields, vacuumed out the radiator shroud and it continued to happen.
I had mine dyno'd at a local HD shop a few weeks ago and the techs confirmed my spark knock suspicions. They tune all of the bikes in my area and said they can tune the knock out of them.
I had mine dyno'd at a local HD shop a few weeks ago and the techs confirmed my spark knock suspicions. They tune all of the bikes in my area and said they can tune the knock out of them.
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862 Posts
Daniii knows his rattles too!!
This upper belt guard rattle baffled many of us "old timers" too for the first few months of riding. It will definitely go away if you remove the upper belt guard;
or........ if you raise it up a little bit on the front end support/mount. (about 1/2 inch will do it. Don't try to make a big thing out of this! It is not engine knock or pinging, or anything else .... trust us on this one!! And for gosh sakes; use the search feature to find the cause of these problems. There are almost four (4) years of accumulated knowledge in this forum from thousands of other owners who've gone before you.:2cents:
:soapbox:
good luck,
redrazor
:them:Daniii said:
This upper belt guard rattle baffled many of us "old timers" too for the first few months of riding. It will definitely go away if you remove the upper belt guard;
or........ if you raise it up a little bit on the front end support/mount. (about 1/2 inch will do it. Don't try to make a big thing out of this! It is not engine knock or pinging, or anything else .... trust us on this one!! And for gosh sakes; use the search feature to find the cause of these problems. There are almost four (4) years of accumulated knowledge in this forum from thousands of other owners who've gone before you.:2cents:
:soapbox:
good luck,
redrazor
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53 Posts
I just had a similar rattle...it was my fault . i had taken off the faux gas tank cover and when I replaced it it pushed the rubber bushings out of place where the two front tabs go in to hold the tank down. Took it back off and paid closer attention to those rubber inserts and voila, Fixed now.
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