Vibration when pulling trailer

[midnite]

Pulled trailer for first long distance the other day. Noticed at about 65-70 mph had a vibration in bike. Gone through bearings, it is a HF trailer.Not real sure if it ain't in the engine, seemed to do it worse when pulling a grade. What do ya'll think problem might be. Had about 25# tongue wieght.

[Kross Kountry]

Tongue weight is good. If you don't have a vibration without the tailer, then I'd say one your trailer tires is out of balance. I get this same problem with bumper trailer behind a pickup. Once the trailer is loaded it's not as noticeable.

 

If you think it's the bike, I would start by checking the carb sync then check your spark plugs.

[midnite]

Thought about the plugs. Just had carbs synced abou a month ago. Will have to check balance on tires.

[Sling]

I had the same problem pulling my Tag-Along trailer, It turned out to

the tires..

Some people say they don't work, but I put Dyna Beads in the tires

and the vibration went away. Here is a write-up about them

Hope this helps

 

http://www.bestrestproducts.com/c-100-dyna-beads.aspx

[Brake Pad]

this sounds wierd, but make sure the pressure is equal on the front shocks

[BradT]

What gear ? If you were in fifth I would suspect that is the problem. Too low of engine RPM. Drop it down to 4th or 3rd and see if it is still there ?

 

If it is l would look at the tires, or trailer bearings

 

Brad

[Monty]

Probably related to the vibration you had BEFORE you bought the trailer. I think they could be related.

[midnite]

Think I found problems. Bearings were too tight, tire pressures were off, and the biggest problem was rear shock had leaked air down to about 5 #. Greased and reset bearings, adjusted tire pressures, and aired up rear shock to about 40#, rides pretty smooth now.

[Dave77459]

Think I found problems. Bearings were too tight, tire pressures were off, and the biggest problem was rear shock had leaked air down to about 5 #. Greased and reset bearings, adjusted tire pressures, and aired up rear shock to about 40#, rides pretty smooth now.

Thanks for posting the solution. As more of us start towing trailers, this will add to our collective body of knowledge!

 

Dave