hey all!

2008 EG is the bike

last night a friend and I was out riding we was on the highway and noticed a slight wobble around 65-70mph, not horrible or any thing but just enough to notice and make me a "little" uncomfortable so like look into this

i just put new tires, swapped to spoke wheels but had them trued, new wheel bearings also about 300 miles ago really dont ride on the highway much so cant say if this was happening before? new tires made the bike feel so much better smoother ride better in the curves was really happy until last night

bike has 22k on it, thinking to replace front engine mount and rear swing arm bushing just because is an 08

what should i be checking?

 

check the steering head bearing fallaway. if it's too loose, you'll get a slight wobble. if it's too tight, you'll have a hard time tracking the bike straight. your batwing has a different spec than my road glide, but i prefer it on the slightly tighter side (but still within spec).

 

Was it front or rear?

Here's a (long-winded) post I did on my experience with a wobble.

 

 

Was unstable at 60-70 on sweeping turns with my egc 07, looked at/replaced the same things you just described , Next I dug deeper and did the rear bushings hummmm not quite there, Then started front motor mount when I discovered the motor mount plate had 1 bolt sheared off(top of bolt just sitting on its perch) and the other was loose. Much better for now

btw did not change front motor mount cause it actually looked fine with 78k miles on it wtf? rear bushings looked a bit rough so changed them. So maybe try to check/torque the front mounting bracket?

 

With only 22,000 on it, I doubt the swing arm bushings or mount are bad. My 08 has 130,000 and both are fine. Check all the obvious things first just to rule them out. As some one mentioned, front fork fall away, air pressure in the tires, air pressure in the shocks, etc... Even though you said you had the wheel trued, check the spokes and make sure they haven't moved and that the wheel is still true.

When you felt the wobble, was it all the time? Just going straight? Just in curves? Was it possibly the road?

You can search here for rear wobble and you will find a ton of reading, The 08 is still the old frame that is notorious for twisting in high speed sweeping turns. I have curve that I make on the ride home everyday that if I get over 70 in it and hit the bump in the middle of it, it will upset the frame and start the wobble every time. Hasn't changed much if it all since the bike was new.

 

Looking at the parts breakdown the 07 EGUC like mine has BEARINGS and not bushings for swingarm.........

 

thank you murphcc1, I meant rubber mounts #23 in diagram, I stand corrected.

 

might be as simple as tire pressure..I'd start there