Question about 1983 Yamaha XS 400 L Maxim

1 Answer

Handle bars shake up and down at 50-55mph

Hello my handle bars shake up and down at 50-55mph as if the wheel is out of balance, the bars sometimes have a small amount of flap at slow speeds. The bike is a 1982 xs400 maxim which I bought at Christmas, it passed its MOT a few weeks ago. The tyres and wheels look ok with not bumps or scuffs and the front wheel was balanced last saturday. The tyres have inner tubes and set to the correct pressure. The headstock feels ok and does not judder on breaking as it would if it were loose (the MOT guy would have picked this up as he is strict). The previous offer didn't use it for about a year. Any ideas what the problem is?

Posted by on

1 Answer

  • Level 2:

    An expert who has achieved level 2 by getting 100 points


    An expert who has answered 20 questions.


    An expert that hasĀ over 10 points.


    An expert whose answer gotĀ voted for 2 times.

  • Expert
  • 69 Answers

Could be a few things I would recomend checking all the head bearings really good, it also could be a busted cord in the front tire. When this happens it usually causes a vibration at higher speeds

Posted on Mar 10, 2009

1 Suggested Answer

  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.

Posted on Jan 02, 2017

Add Your Answer

Uploading: 0%


Complete. Click "Add" to insert your video. Add



Related Questions:

3 Answers

The front of my bike wobbles at low speeds and in sharp corners like parking lots.2007 Electra Guild Classic

if the wheels not buckled it sounds like wheel bearings. lock the handlebars and see if there is movement to front wheel, left to right.

Mar 20, 2013 | Motorcycles

1 Answer

Reasons handle shake problem

There can be many reasons , so you will need to check down the list until the problem is solved.

Worn tyres
incorrect tyre pressure
buckled wheels
worn wheel bearings
worn\loose steering head bearings
loose axle nut
worn swing arm bearings
bent disc rotors
front suspension damping too soft,
loose handle bars
bent forks or frame

May 20, 2010 | Motorcycles

1 Answer

Moen-Single handle shower -only hot water comes in Serge

You need to replace the balancing spool in the valve, If you take the handle off and then the cover plate you will be able to see the valve. You will see the cartridge stem that the handle attached to...if you look to the side you will see what looks like a large slotted screw will need to remove that piece (called a balancing spool) and replace it. You may get lucky and be able to break lose the cylinder on the inside by tapping sharply straight down onto the slotted head. If you do this and the inside can now slide back and forth while should be ok....they get stuck with calcium. If not...then it needs replaced.

Oct 23, 2009 | Moen 3175 Legend One Handle Shower Faucet...

1 Answer

Front end shimmy on yamaha roadstar 2002.

Front wheel needs balance,and also the rear wheel may need to be centered. If someone replaced the brakes or tires and the rear wheel is off center to the front that will cause the shimmy.

Sep 09, 2009 | 2003 Yamaha Road Star Silverado

1 Answer

Handle bar vibration/shaking RVF400

Hi there!

I have the same problem but i finally had it fixed.
Your front rim is warped. Have it aligned. Balancing alone would not do the trick as this would only balance the wheel on its vertical axis. (assuming they were able to balance it properly)

Jack the front end up and turn the wheel.. Have a screwdriver or any thing that can serve as a guide with the rim, turn the wheel and if it touches the screw at some point of the turn , then the wheel is misaligned. A new stock rim would cost too much so have it aligned with a good machine shop.

To give you an idea of what im talking about:

There's also a chance that the fork fluids would cause this. Fluid levels should be equal. (less likely)

Hope this helps!
I'd appreciate a feedback!
Motorcycle Mechanic
Specialty on Yamaha Bikes

Mar 18, 2009 | 1996 Honda RVF 400 NC35

1 Answer

Nowadays im finding shakes at the handbar of my splendour2003

i think there is something wrong with the balancing of your bike... foremost may be your handle bar isnt alligned well. if it is..,then get your bike to the mechanic,he will open up your central handle bearing and will fix it..

Dec 27, 2008 | 2006 Hero Honda Super Splendor

Not finding what you are looking for?
1983 Yamaha XS 400 L Maxim Logo

284 people viewed this question

Ask a Question

Usually answered in minutes!

Top Yamaha Experts


Level 2 Expert

281 Answers

Steve Sweetleaf
Steve Sweetleaf

Level 3 Expert

1144 Answers


Level 3 Expert

2600 Answers

Are you a Yamaha Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides