Normal vibes?
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Joined: Dec 2010
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From: Minneapolis
Normal vibes?
I have an 03 EGC, stage 1, pcv, and rinehart true duals. Whenever I get up to about 75 mph, there is so much vibration, that my feet and azz start to go numb. Got around 30k on it. Motor mounts? Bent crank? Bought from a stealer last year with 25k, and have done nothing to it but ride.
Thanks in advance
Thanks in advance
Cruiser
Joined: Jul 2011
Posts: 169
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From: Bay Area, CA
i assume it didn't vibe when you bought it with 25K miles on it?
Since the vibration has to do with bike speed vs. motor speed, makes me think it's something rotational at speed, like the wheels/rotors/sprocket something like that, not related to the engine.
Since the vibration has to do with bike speed vs. motor speed, makes me think it's something rotational at speed, like the wheels/rotors/sprocket something like that, not related to the engine.
Extreme HDF Member
Joined: Sep 2010
Posts: 14,744
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From: Phoenix '53, '88, '09 Big Twins
there are a million things to check.
since the mufflers have been changed, check that they are not binding on the mounts under the saddlebags, and are not contacting the frame anywhere.
motor mounts should be checked as well.
try to determine if the vibes are speed related ( chassis, wheel balance, etc.) or rpm related...75 mph on your bike is about 3200 rpms in 5th gear...do you get similar vibes in 3rd gear at 50 mph, which is about 3300 rpms.
that would point at a motor problem or mount
mike
since the mufflers have been changed, check that they are not binding on the mounts under the saddlebags, and are not contacting the frame anywhere.
motor mounts should be checked as well.
try to determine if the vibes are speed related ( chassis, wheel balance, etc.) or rpm related...75 mph on your bike is about 3200 rpms in 5th gear...do you get similar vibes in 3rd gear at 50 mph, which is about 3300 rpms.
that would point at a motor problem or mount
mike
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