These rules are a supplement to the regular AMA Amateur, Semi-Pro & Youth Competition rulebook.

Racer Classes

General Rules

1. Michigan residents must be both an AMA and District 14 member in good standing to compete in any AMA/District 14 event.
   
2. Any District 14 MX member with an outstanding NSF check to the AMA, D14 or a D14 club/promoter will have any and all points and or year end awards held until payment is made in full including all fees and charges.
3. No jumping on a Red Cross flag.  When a yellow flag is displayed, competitors must ride cautiously until they have passed the incident that caused the flag.  When a yellow flag is displayed there is no passing or jumping between the flag and the incident that caused the yellow flag.  Failure to do so may result in the rider being docked one position up to disqualification from the event subject to the referee’s discretion.
4. If an AMA District MX promoter or AMA District 14 official witnesses a rider, pit crew or family member using foul language, that rider is subject to instant disqualification for unsportsmanlike conduct.
5. If a rider, pit crew or family member threatens or strikes a referee, event staff member, AMA District 14 official or another rider, that rider faces instant disqualification from the day’s event for unsportsmanlike conduct.

Rider Classification

“A” Class

• Highest AMA District 14 rider classification
• Riders are eligible for Pro-Am competition
• Riders are eligible for Cash Awards
• Year end District 14 Motocross Championship determined by the district point system using the best 18 finishes
• Recognized as District 14 year end award classes
• Top 99 recognized with two digit numbers
• White number plates with black numbers recommended

“B” Class

• The classification proceeding “A”
• Eligible for “B” class competition only
• Eligible for trophy and dealer check awards only
• Year end District 14 Motocross Championship determined by the district point system using the best 18 finishes
• Recognized as District 14 year end award classes
• No two digit numbers recommended; last three digits of AMA number recommended

“B” Class Advancement

• Rider must have a minimum of six points paying finishes in any B class in order to be considered for advancement.  Each B class will be calculated separately.
• The performance value of 15 will be the cutoff point in each B class.  Each B class will be calculated and considered separately.
• Rider’s performance value will be calculated in each class as follows: total number of points earned divided by number of points-earning finishes.  DNF’s and non-points paying finishes will not count in the calculation of a rider’s performance value.  That is, if a rider races 25 times and does not earn points in five of those races; his performance value will be his total number points earned divided by 20.
• Advancement is effective January 1st of the following season
• Riders must be 16 years old to be forced to advance.
• Advancement can be appealed to the AMA
• Riders advanced will be notified by the AMA.  Any rider who has been advanced and still rides the “B” class will be ineligible for points and awards for the meet. Any rider found to be riding in a class lower than their earned ranking can be suspended for up to one year from AMA and D14 events.

“C” Class

• Eligible for trophy awards only
• No two digit numbers recommended; last three digits of AMA number recommended
• Black number plates with white numbers recommended
• The 85 Beginner (85C) class covers ages 10 to 15 years old.  85C riders are not eligible to ride any other D14 recognized 85 age group class
• Schoolboy and amateur 14-24 class participants may be eligible to ride in the 125B/C, 250C or Open C classes

“C” Class Advancement

• Rider must have a minimum of six points paying finishes in any C class in order to be considered for advancement.  Each C class will be calculated separately.
• The following criteria are to be used when determining a rider’s eligibility for the C class:
  1. No rider is to be classified as a C rider if that rider had a RPV of 15 or higher the previous year in the C class or a 12-16 youth division.
  2. No rider is to be classified as a C rider if that rider has ever been classified as an A rider.
  3. No rider is to be classified as a C rider if that rider has participated in AMA Amateur Motocross Nationals in any previous year in any class.
  4. No rider is to be classified as a C rider if that rider is receiving or has ever received any type of OEM factory support in any class.
  5. If a rider doesn't meet any of the above criteria, they may not participate in the C class if they have raced C or any youth class above 12 years old the previous two calendar years and have an RPV of 11.0 or higher.
• Rider’s performance value will be calculated in each class as follows: total number of points earned divided by number of points-earning finishes.  DNF’s and non-points paying finishes will not count in the calculation of a rider’s performance value.  That is, if a rider races 25 times and does not earn points in five of those races; his performance value will be his total number points earned divided by 20.
• Advancement is effective January 1st of the following season
• Advancement can be appealed to the AMA
• Riders advanced will be notified by the AMA
• Any rider who has been advanced and still rides the “C” class will be ineligible for points and awards for the meet. Any rider found to be riding in a class lower than their earned ranking can be suspended for up to one year from AMA and D14 events
• 85C advancement process will be handled by the District and will follow the same format as the other “C” classes above. 

YOUTH RULES

 As per AMA youth rules, a rider’s age on January 1st determines class eligibility for the entire year.  For example, a rider who turns 12 on January 2nd may ride the 85 Jr. (7-11) class for the entire year.  However, once a youth rider moves up to the next age division, he may not move back down to the lower age class. 

50cc Specific Rules

• Any 50cc classes can be run together and scored separately at promoter’s discretion.  If entered in the 50cc Trail class, the only other D14 50cc class a rider may enter on the same day is the 50cc SS class.
• 50cc SS classes are open to any single speed twin shock 50cc motorcycle with 10 inch wheels.  Bikes with shifters must have shifter removed with choice of gear.

Class 1 Stock (4-6) 50Jr
0cc - 51cc  2-stroke
0cc - 51cc 4-stroke
Single-speed automatic. Maximum wheelbase 36 inches. Maximum
wheel size 10 inches. Maximum seat height 24 inches. No larger
than 14mm round intake.

Class 2 Stock (7-8) 50 Sr
0cc - 51cc  2-stroke
0cc - 51cc 4-stroke
Single-speed automatic. Maximum wheelbase 41 inches. Maximum
wheel size 12 inches. Retrofitted 12-inch wheels are permitted on all
class 2 motorcycles. OEM parts must be used. No larger than
19mm round intake.

Class 3 (4-8) 50 SS
0cc - 51cc  2-stroke
Single-speed automatic. 2-stroke oil-injected(Must be functional to run). Maximum wheelbase
36 inches. Maximum wheel size 10 inches. Maximum seat height
22 inches. No larger than 12mm round intake.
NOTE: The 50JR, XR50, CRF50, PW50 and KLX50 bikes are legal to run in Class 3 as long as the shift lever is removed

Class 4 (4-8) 50 Trail
0cc - 51cc  2-stroke
0cc - 51cc 4-stroke
Single or multi-speed automatic. Maximum wheelbase 38 inches.
Maximum wheel size 10 inches. Maximum seat height 22 inches.
No larger than 13mm round intake.
NOTE: The 50JR, XR50, CRF50, PW50 and KLX50 bikes are legal to run in Class 4 as long as the shift lever is removed
All other definitions & rules for stock classes contained in Chapter 1, Section 1.2 of the AMA Rulebook will apply to the above mentioned classes.  Violations of the stock rules as determined by the protest process or by the referee will result in disqualification from the event and a second violation will result in suspension from AMA competition for one year.

Miscellaneous

1. Bike number will be placed on the front and both sides of the bike.  District 14 earned numbers may only be used in the class in which they were earned.  Numbers earned in AMA National Competition may also be used in the class in which they were earned.
2. Total points awarded toward the D14 series will be tallied from the rider’s best 18 D14 points paying finishes from March 1 - November 15.
3. Any youth rider wanting to advance to the next higher age class must appeal in writing to the Motocross Chairman and be approved by the Motocross Committee.  You will be notified in writing of their decision before advancement will be allowed.  Once advancement is made you are not eligible to return to younger class.
4. Advancement appeals may be submitted only once per season to the AMA.
5. All District 14 Championship events (Fall Series) will pay maximum points regardless of rider turnout.  (Sunday races only) Year end awards will be awarded.  Rider must participate in a minimum of 3 races to qualify for an award.
6. Riders must participate in a minimum of 8 races to be eligible for year end awards.  Year end awards will be awarded to 10% of the total number of overall yearly entries in a specific class with a maximum of 10 awards.

2012 Points Scale