Adjusting motorcycle suspension to your weight typically involves adjusting the preload settings on the front forks and rear shock absorber. Here are the general steps to adjust the suspension to match your weight:
Consult the owner's manual: The first step is to consult your motorcycle's owner's manual for specific instructions and recommended settings for adjusting the suspension. The manual should provide details on the location of the adjustment knobs or screws.
Determine the sag measurement: Sag refers to the amount the suspension compresses under the weight of the rider. To set the sag correctly, you'll need a helper and a tape measure. Gear up in your riding gear and sit on the motorcycle in a normal riding position. Your helper should measure the distance between a fixed point on the motorcycle (e.g., a reference point on the frame) and a point on the suspension (e.g., the axle or a specific point on the fork tube). Note down this measurement.
Adjust the rear preload: The rear suspension typically has a preload adjustment mechanism, such as a threaded collar or a hydraulic knob. Increase the preload by turning the collar clockwise or tightening the knob to raise the rear of the motorcycle. Decrease the preload by turning the collar counterclockwise or loosening the knob to lower the rear. Make small adjustments and re-measure the sag until you achieve the desired sag measurement as recommended in the owner's manual.
Adjust the front preload: The front forks may have preload adjusters on the top or bottom of each fork leg. Similar to the rear, increasing preload will raise the front end, while decreasing preload will lower it. Adjust both fork legs equally. Again, make small adjustments and re-measure the sag until the desired sag measurement is achieved.
Fine-tune rebound and compression damping: Suspension systems also have rebound and compression damping adjustments, but these are typically more advanced settings and may require professional tuning. If you feel the need for further suspension adjustments beyond sag, it's recommended to consult a motorcycle suspension specialist or a qualified mechanic who can assess your specific needs and make appropriate adjustments.
Remember that suspension adjustments can significantly affect the handling characteristics of your motorcycle, so it's essential to proceed cautiously and follow the manufacturer's guidelines. If you're uncertain or uncomfortable making the adjustments yourself, it's always best to seek professional assistance.