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Competition Bulletin: 50cc Limited Jr. (4-6) Class Shock RevisionPosted January 28, 2009 TO: ALL AMA ATV MOTOCROSS CHAMPIONSHIP COMPETITORS SUBJECT: 50 LIMITED JUNIOR (4-6) CLASS SHOCK RULE REVISION 50cc Limited: Production models. The following may be changed: shocks (limited to a maximum 4" suspension travel), tires, wheels (must not change stock width) internal portions of the motor, spark arrestor may be removed (must still meet 99db), sprockets, gearing, clutch, twist throttle, handlebars, grips, handle bar pads, front bumper, rear grab bar, air filter and jetting. Air box lid may be removed or modified. Fenders may be trimmed, manufacturer installed parental speed limiting devices may be removed. Nerf bars or suitable floorboards and working tether cords are required. No other modifications are allowed INCLUDING carburetors, oil injection, air box, gas tank, exhaust systems, wheel base, width, rear axle, A-arm, steering dampener, and suspension (with the exception of shocks). However, if a violation is deemed by the referee to be cosmetic in nature, with no performance advantage or willful misconduct involved, he may issue a warning or fine in lieu of disqualification. will be changed to read: 50cc Limited: Production models. The following may be changed: shocks (limited to a maximum 4" shock travel), tires, wheels (must not change stock width) internal portions of the motor, spark arrestor may be removed (must still meet 99db), sprockets, gearing, clutch, twist throttle, handlebars, grips, handle bar pads, front bumper, rear grab bar, air filter and jetting. Air box lid may be removed or modified. Fenders may be trimmed, manufacturer installed parental speed limiting devices may be removed. Nerf bars or suitable floorboards and working tether cords are required. No other modifications are allowed INCLUDING carburetors, oil injection, air box, gas tank, exhaust systems, wheel base, width, rear axle, A-arm, steering dampener, and suspension (with the exception of shocks). However, if a violation is deemed by the referee to be cosmetic in nature, with no performance advantage or willful misconduct involved, he may issue a warning or fine in lieu of disqualification. For the 2009 Supplemental Rules: CLICK HERE For questions or comments email: info@atvmotocross.com |
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