scariest moment of my life.....

i dont know what sag is or how to adjust it i read alot and try to figure it but i cant  
KTM 200 EXC

Read this, number 3:

http://www.dirtrider.com/tech/141_0809_dirt_bike_maintenance/suspension_spokes_cables.html

This one too:

http://www.dirtrider.com/tech/141_0411_set_up_your_dirtbike/index.html  
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"Only the desert has a fascination to ride alone in the sun in the forever unpossessed country away from man. That is a great temptation."
--D.H. Lawrence

ktm_rider92:
has any body ever been riding along pinned and all of the sudden your bike started wobbleing side to side very fast how can i avoid this to happen again now im scared to go past half throttle.

If you mean a speed wobble or head shake; there are a couple things that can affect this.

Some bikes are more prone to it than others.  Late model Suzuki RM's are known as sharp turners, but the geometry that helps them turn well makes them a bit more prone to doing this (Speed wobble) that say a YZ-250.

A trick to get some bikes to turn better is raise the forks in the clamps or run less sag in the bag (makes the fork angle steeper) but that also can increase the speed wobbles.

So what can you do-
- Make sure you have the right sag in the rear suspension.

- You can lower the forks so the top is flush with the top of the triple clamp (if its not already).

- Loose steering head bearings can increase this tendancy as well so make sure they are snugged up properly.

- Some riders will install a steering damper, this damps out the ocillations (late model Hondas have them from the factory).

.  
.
Dave H 2006 YZ250
(2008 YZ 125 son)

could loose front wheel bearings also play a factor?  
KTM 200 EXC

sorry but duhhh yea way.if you do mantain your bike its gonna get ugly on you!if i dont wipe out at least once every time i ride i didnt ride hard enough,my bike puts up with so much punishiment its not funny.thats why pre ride inspections,yearly at the least teardowns and your service manual intervals for servicing anything you might of forgotten.dirt bikes are a blast,but not seeing the warning signs can kill you.all B S aside.take care of your ride and it will take care of you!!!!!!!!!  
---------------- different toilet,same ***

i aint no kaboom expert. but i hear the fork angle is real steep makin this problem common on the 450s alot  
RIP old dirtrider

ktm_rider92:
could loose front wheel bearings also play a factor?

Yes, at high speeds. So can rear bearings, loose spokes, bad swingarm bearings, way out of balance rims, even alot of mud on the rims. Just a few things to check.

A manual will help a lot.  
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I love this dirt stuff.

At high speeds a little sand can give it a good Shake also.  
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"Every time I start thinking the world is all bad, then I start seeing some people out there having fun on motorcycles. It makes me take another look." -Steve McQueen

Wakeing up in the I.C.U., And asking whats wrong with me, And is my passenger okay!
Neither was good! That was Mine!  
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DIABETES SUX!

I'll lend you my 90 KTM500MX and let you drive it at high speed over rough terrain and PRESTO! you wont think your bike has any headshake (speedwobble)  
90 KTM 250
90 KTM 500
86 CR 80
76 KM 100

You asked . My worst is hurting somone els......!  
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DIABETES SUX!

yzwoods:
Wakeing up in the I.C.U., And asking whats wrong with me, And is my passenger okay!
Neither was good! That was Mine!

I woke up in icu, and my passenger walked away with 6 stitches.  
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Stand in the place where you are, think about direction and wonder why you haven't
North Carolina

any local dealer. but its not that hard. are your front forke seals leaking? or blown and is your rear shock blown. if not i would do it yourself  
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2000 YZ 250
Balls to the wall

nothings leaking or blown but i want them set up for my weight  
KTM 200 EXC

Hi there, another way and the most important way to stop wobbles is to grip the bike tightly with your legs and stay in the attack position when possible.