Understeer means that the motorcycle wants to go straight in corners or climb out of ruts. It is a balance problem and indicates that the front is higher than the rear.
To make sure the motorcycle performs at its best the balance must be correct. Balance is weight distribution between the front and the rear wheel. An "unbalance" will result in bad steering characteristics.
The Balance can be out for various reasons. One main reason for understeering is that you are too heavy for the springs (click here for the spring rate article). So before you plunge into this article you want to make sure that your bike is set up right. Once you have done that and the handling problems prevail then you can go on to apply this piece of advice.
So there are 4 unwanted situations:
Both result in front higher than rear
Both result in rear higher than front
In this article we will focus on the front-higher-than-rear-problem. When the dirt bike rides like a chopper you will experience understeer. The front wheel tends to push out or climb out of ruts in turns. You may also have difficulties finding the lines. It might feel quite stable on fast straights but feels not agile enough in tight sections.
First you have to find out whether the front is higher than the rear or vice versa. This is important so you know where to start. Check how the bike looks when it is settling under its own weight. And how does it look when you are sitting on it. This will give you and indicator if the main problem is the front or the back.
Before you start keep the basic rules of suspension set up in mind.
...and you want to make the front lower
...and you want to make the rear higher
Stay always as close as possible to standard click settings!
The standard click settings have been tested for weeks on end with top sponsored riders on all sorts of terrain. So you have a setting that works very well, if you have the right springs and your bike is balanced.
Make the adjustments in the following order:
This is the most efficient way to understand the effects. If you do change the fork position in the clamps make sure you tighten the lower triple clamp to the recommended torque as over tightening has serious negative effects on your fork performance.
If you are not so familiar with you click adjusters read this article.
The Dirt Bike Garage Manual
HOW TO GUIDE for "do it yourself" riders