TO:‚  ALL AMA ATV MOTOCROSS CHAMPIONSHIP COMPETITORS

FROM:‚  ATVPG

DATE:‚  JANUARY 19, 2009

SUBJECT:‚  50 LIMITED JUNIOR (4-6) CLASS SHOCK RULE REVISION

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Due to recent information from manufacturers and riders in the 50cc Limited Jr. (4-6) class and to keep the current machines legal for this class, effective immediately the shock rule, in Section B, Paragraph 6 of the 2009 AMA ATV Motocross Championships Supplemental Rules, which currently states:

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.

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