610 is screw/locknut.
The screens do NOT
need to be messed with every oil change, and there are only 2 of them...the factory also tells us we need 20+ psi of air in the tires, and we all know how well that
"turn it on man, turn it on-whatever, whoever you are-TURN THE FAWKER ON!" -Herbert Foster Gunnison
00 KTM 640 ADV