2018 Classes

Beginner

1. New riders only
2. Engine displacements must be a minimum of 249cc & a maximum of 1149cc
3. Any tires

 

Open Novice

1. Over 13 years old (year of)
2. Engine displacements must be a minimum of 249cc & a maximum of 1149cc
3. Flat track spec, trials spec, or street spec tires only (reference section 4.5)
4. Riders in this class are restricted from entering Intermediate or Expert classes

 

Open Intermediate

1. Engine displacements must be a minimum of 249cc & a maximum of 1149cc
2. Flat track spec tire only
3. Wheel rim size must be 19”
4. Riders in this class are restricted from entering Novice or Expert
5. Over 14 years old (year of)

 

Open Expert

1. Pros only, must apply for expert license
2. Engine displacements must be a minimum of 249cc& a maximum of 1149cc
3. Flat track spec tires only
4. Wheel rim size must be 19”
5. 15 years old and older (year of)
6. Riders in this class are restricted from entering Novice or Intermediate

 

Production Frame Class/DTX (Novice, Intermediate, Expert) Classes

1. Modifications are allowed but limited to the requirements of engine displacement, minimum 249cc.
2. Restrictions are limited to the manufactured size of capacity ie. KTM 530, CRF450, YZF250 etc
3. Stroker kits, or and any cc over-bore must not exceed more than 5% of OEM.
4. The model of bike must be in current production, but not limited to year.
5. The frame must remain stock to OEM specifications without modifications
6. Flat track spec tire only
7. DTX Novice, min age 13 years old
8. DTX Intermediate, min age 14 years old
9. DTX Expert min age 15 years old
10. Riders are restricted to only entering their own ability category
11. Wheel rim size must be a 19” wheel for Intermediate and Expert classes

 

Sportsman

1. Any displacement
2. Novice and Intermediate riders only
3. Flat track spec tires only
4. Riders are restricted in signing up for Pro/Am

 

Pro/Am

1. Any displacement
2. Pro and Intermediate riders only
3. Flat track spec tires only
4. Riders are restricted in signing up for Sportsman

 

50cc Youth

• Up to 50cc displacement
• Tolerance of 5% overbore
• Any tires

 

65cc Youth

• Up to 65cc displacement
• Tolerance of 5% overbore
• Any tires

 

85cc/150cc Youth

• Up to 85cc 2 stroke/ Up to 150cc 4 stroke displacement
• Tolerance of 5% overbore
• Any tires

 

 Ladies

• Any displacement
• Any tires

 

Vintage Lites

• Motor model year 1984 or earlier
• Up to 250cc/stroke or up to 400cc/4-stroke
• Flat track spec, trials spec, or street spec tires only (section 4.5)

 

Vintage Open

• Motor model year 1984 or earlier
• Any displacement
• Must be single cylinder engine only
• Flat track spec, trials spec, or street spec tires only (section 4.5)

 

Vintage Twins

1. Motor model year 1984 or earlier
2. Any displacement
3. Can be single cylinder or twin cylinder engine
4. Flat track spec, trials spec, or street spec tires only (section 4.5)

 

 Vintage Dino

1. Designed for 500 or smaller in the pre 1980’s era

• Air cooled 2 strokes
• 250/350 Honda 4 strokes
• XT/TT 500 2 Valve Yamaha
• Triumph 500
• Motorcycles must have a rear brake

Pre 1970’s design with rigid rear section, brake optional

• Harley Aermacchi 250/350
• Ducati 250/350
• Honda 250/350 Twin

2. Flat track spec, trials spec, or street spec tires only (section 4.5)

 

 Vintage Mod

1. Designed for 4 valve 500cc or larger motorcycles 1980 or newer

• liquid cooled 2 strokes
• 4 valve 500/600 Honda Engines
• 650 Yamaha Twin
• 650/750 Triumph Twin
• Rotax 500/600
• Motorcycles must have a rear brake

 

• flat track spec, trials spec, or street spec tires only (section 4.5)

 

Veteran 30+

1. 30 years old and older only
2. Engine displacements must be a minimum of 249cc & a maximum of 1149cc
3. Flat track spec, trials spec, or street spec tires only (section 4.5)

 

Veteran 40+

1. 40 years old and older only
2. Engine displacements must be a minimum of 249cc & a maximum of 1149cc
3. Flat track spec, trials spec, or street spec tires only (section 4.5)

 

Veteran 50+

1. 50 years old and older only
2. Engine displacements must be a minimum of 249cc & a maximum of 1149cc
3. Flat track spec, trials spec, or street spec tires only (section 4.5)

 

Hooligan

1. Over 750cc displacement
2. Twin cylinder only
3. Stock frame only
4. Flat track spec or street spec tires only (section 4.5)
5. Over 16 years old

 

Knobbies

1. Engine displacements must be a minimum of 249cc & a maximum of 1149cc
2. knobby spec tires only

 

Mini Bike/ Mad Dog

1. 150cc air cooled or less
2. over 13 years old

 

ATV Pro Open

1. Engine must originate from a motorcycle or an ATV
2. Stroke and 4 stroke engines permitted
3. Engines cannot be from sled, cars, jet turbines, etc..
4. Must have flat track style spec tire only
5. Turbos permitted
6. Must be 16 years of age to participate

 

ATV Pro/Am 4 Stroke Production

1. Must be OEM Chassis
2. Must be a 4 stroke production based ATV engine with matching frame
3. Must have flat track style tires
4. Must be a minimum age of 15 years old

 

ATV AM OPEN

1. Must be OEM Chassis
2. Must be a 4 stroke production based ATV engine with matching frame
3. Knobbies permitted
4. Must be a minimum age of 13 years old

 

ATV Youth

1. Must be OEM Chassis
2. Must be a maximum 251cc
3. Knobbies permitted
4. Ages 8 – 13

 

Youth Small Wheel

1. Any 50cc to 70cc Race Bike
2. Ages 4-10 years old
3. Any tire permitted

 

Youth Big Wheel

1. 65cc- 150cc
2. Ages 6 to 12 years old
3. Any tire permitted