DahSun1022

Standard Bore
Joined
Apr 18, 2024
Messages
8
Ride
2020 Rocket 3R
Just got my 2020 rocket 3 R from a dealer on Tuesday of this week, now (Thursday) I'm hearing a whirring nosie from the rear end. It sounds like the wind howling, but it's different than all the other wind noise I'm hearing. Could it be the final drive? It only makes noise above about 15 mph.
 
Just got my 2020 rocket 3 R from a dealer on Tuesday of this week, now (Thursday) I'm hearing a whirring nosie from the rear end. It sounds like the wind howling, but it's different than all the other wind noise I'm hearing. Could it be the final drive? It only makes noise above about 15 mph.
Just realized I posted this in the wrong forum
 
Welcome from Northern Ontario Canada.

Does the noise change with lean angle? If so, it could be linked to rear wheel brgs due to increased side load on some worn brgs. This noise would usually be speed sensitive also. How many kilometers on the bike.

Just thinking out loud here... since the new Rockets have a single swing arm, I guess you could get some final drive brg noise from lean angle too but those side brgs on the crown gear in the final drive are much larger than the wheel brgs. Have you checked to see what the condition of the final drive oil is (or if there is any)? Jack the rear end of the bike up and check the wheel for any play.
 
Just got my 2020 rocket 3 R from a dealer on Tuesday of this week, now (Thursday) I'm hearing a whirring nosie from the rear end. It sounds like the wind howling, but it's different than all the other wind noise I'm hearing. Could it be the final drive? It only makes noise above about 15 mph.
 
usually a bad final will make a different noise when
accelerating
crusing
letting off the throttle
 
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