I don't know, but mine does it too...kinda scary sometimes! I would check the tire pressure first if that is with in spec's then i would have the alignment check as well as the susspension I have this problem too. It seems to me that it happens more often when it is windy. I've had my Vitara blown across lanes on often on windy days.
if is model with computers etc,most probable cause is the cam positioning sensor
Possably the struts!!!!
Alignment
At highway speeds, YES!
Have you checked to see if the elect. fan comes on ?
wind noise
They "reset" while driving at highway speeds.They "reset" while driving at highway speeds.
Most likely its your tires. Could just need balanced. Or you might have uneven wear making it shimmy.
I have heard that you can swap the c90 differential into the C50. They say it helps lower the RPM at highway speeds. I am sure however that you would loose some low end torque if you do this. But it would help with fuel mileage on long trips.
a suzuki rm can achieve speeds up two 70 - 80 miles and hour
drive shaft carrier bearing needs to be replaced
The Suzuki Raider 150 bike is very popular in South East Asia. The Suzuki Raider can reach speeds in excess of 140 kph.