Race Classes

Spec50 - Youth Class

Ages 5-17 with little to no track riding experience

MOTORCYCLE SPECS: 

  • Honda CRF 50 and Yamaha TTR 50
    • Other smaller motorcycles may be permitted with prior approval from race Direction
  • PERMITTED CHANGES
    • CONTROLS: Hand Controls, handlebars, and foot controls can be changed
    • LOOKS: Seat and plastic kit can be changed
    • WHEELS: Dirt Tires MUST be changed.  No Dirt tires permitted. Aftermarket wheels are allowed but must maintain stock 10” size with OEM spec hubs.
    • FUEL: Only standard octane pump fuels are allowed (No oxygenated, leaded, or high-octane race fuels or fuel additives permitted). Stock Carb must be used but jetting may be changed.
    • SUSPENSION: OEM stock forks and OEM stock shock must be used. Stock Fork Internals may be changed. The rear shock’s spring, fluid, and internals can be changed
    • GEARING: Front and Rear Sprocket may be changed
    • BRAKES: Brake pads/shoes are unrestricted
  • ADDITIONAL CLARIFICATION: If it is not specifically called out above, you cannot change, modify, add or deviate from OEM parts and components.

DISCLAIMER: This is a spec class for MINIGP races, however, MotoAmerica Minicup and/or FIMMiniCup rules supersede MiniGP during qualifying rounds for those championships.

Spec110 - Youth Class

Ages 5-17 with little to no track riding experience

MOTORCYCLE SPECS:

  • Honda CRF110, Kawasaki KLX110 or KLX110L, Suzuki DRZ110, Yamaha TTR110, Stock SSR110 and Yamaha TTR90 ONLY
  • PERMITTED CHANGES:
    • CONTROLS: Hand Controls, handlebars, and foot controls can be changed
    • LOOKS: Seat and plastic kit can be changed
    • WHEELS: Dirt Tires MUST be changed.  No Dirt tires permitted. Aftermarket wheels are allowed but must maintain stock 12” size with OEM spec hubs.
    • FUEL: Only standard octane pump fuels are allowed (No oxygenated, leaded, or high-octane race fuels or fuel additives permitted). Stock Carb must be used but jetting may be changed.
    • INTAKE: Drop in Air Filter may be changed. Airbox cannot be removed or modified.
    • SUSPENSION: OEM stock forks and OEM stock shock must be used. Stock Fork Internals may be changed. The rear shock’s spring, fluid, and internals can be changed
    • GEARING: Front and Rear Sprocket may be changed
    • CLUTCH: Aftermarket clutch disks/springs may be used
    • BRAKES: Brake pads/shoes are permitted. Brake lines may be changed
      • ADDITIONAL CLARIFICATION: If it is not specifically called out above, you cannot change, modify, add or deviate from OEM parts and components

      DISCLAIMER: This is an spec class for MINIGP races, however, MotoAmerica Minicup and/or FIMMiniCup rules supersede MiniGP during qualifying rounds for those championships.

MiniGP Pro - Youth Class

Ages 5-17 with little to no track riding experience.

This class allows for further bike modifications along with introducing other bikes into the mix. The main purpose of this class is to prepare the riders for the Stock125 and F1 classes once they graduate from the youth classes.

  • MOTORCYCLE SPECS:

    • NO GP Chassis Allowed expect for the specified models below
    • Up to 110cc 4 stroke engines allowed
    • Honda NSF100 in stock trim allowed
    • Honda NSR50, YSR50 and Metrakit 50 in stock trim (No other 2-stroke engines allowed)
    • Ohvale 110ccAutomatic model allowed in stock format/trim only
    • Stock 125 Legal Bikes are Permitted (See Stock 125 Rules Below)

GP110 - Youth Class

Ages 5-17 with little to no track riding experience

This class introduces the “GP Chassis” to the riders and prepares them for championships such as the Ohvale USA FIM Mini Cup and MotoAmerica MiniCup

MOTORCYCLE SPECS:

  • GP CHASSIS ONLY (NSF, NSR, YSR, Ohvale, etc.)
  • NO DIRTBIKE CHASSIS
  • Up to 110cc Manual or Auto
  • Up to 63cc 2 stroke

DISCLAIMER: This is an OPEN class for MINIGP races, however, MotoAmerica Minicup and/or FIMMiniCup rules supersede MiniGP during qualifying rounds for those championships.

Stock 125

Ages 17 and Up (under 17 requires coach endorsement)

Racers under 17 years old require coach and MiniGP organizational approval.  There are specific requirements for a racer under 17 to be promoted to non-youth classes.  Please see the rule book for further details.

SPEC CLASSES: 

These classes will have specific rules about what changes are allowed and what is not.  The spec classes are designed to promote competition, fairness, and limit build costs as much as possible.

Stock 125 Lightweight  |  Stock 125 Heavyweight  |  40+ Stock 125

RIDER REQUIREMENTS

  • Lightweight: Rider Weighs in at Under 150lbs without suit. Heavyweight: Rider Weighs in at Over 150lbs without suit.  Stock 125 Lightweight and Heavyweight classes qualify and race together with separate points and podiums awarded to each class.
  • 40+ Stock 125:  Rider must turn 40 years old during the current race season. Proof of age required at Check-in  (Driver’s License/Photo ID). Rider weight does not apply to the 40+ Class.

 

MOTORCYCLE SPECS:

  • Honda XR100, CRF100, CRF125L & MSX125 (Grom), Yamaha TTR125L, Suzuki DRZ125L, Kawasaki Z125 Pro
  • PERMITTED CHANGES:
    • CONTROLS: Hand Controls, handlebars, and foot controls can be changed
    • LOOKS: Seat and plastic kit can be changed
    • WHEELS: Dirt Tires MUST be changed.  No Dirt tires permitted. Dirtbike Rims can be changed to 16” only and must use OEM spec hubs. Tires choice is open, except: “Stock 125 LW” Class motorcycles that come stock with 12” rims (e.g. Grom, Z125) may only use DOT tires (No race slicks)
    • FUEL: Only standard octane pump fuels are allowed (No oxygenated, leaded, or high-octane race fuels or fuel additives permitted). Stock Carb must be used but jetting may be changed.
    • INTAKE: Drop in Air Filter may be changed. Airbox cannot be removed or modified.
    • SUSPENSION: OEM stock forks and OEM stock shock must be used. Stock Fork Internals may be changed. The rear shock’s spring, fluid and internals can be changed
    • GEARING: Front and Rear Sprocket may be changed. Chain size is unrestricted.
    • BRAKES: Brake pads/shoes are permitted. Brake lines may be changed
    • CLUTCH: Aftermarket clutch disks/springs may be used
    • MSX125Grom and Z125Pro: Headlights, taillights and turn signals may be removed.  If not removed they must be thoroughly taped over so that no visible light can be seen to distract other riders on track. Highly recommend that the headlight and taillight fuses are removed
  • Honda XR100 and CRF100 ONLY are allowed to replace rear shock with one of the two shocks listed below.
  1. https://www.amazon.com/Vonkat-Shock-Honda-XR100-CRF100/dp/B07VL639S9
  2. https://tboltusa.com/store/tbparts-dnm-rear-shock-for-honda-crf100-xr100-650lbs-p-10973.html?fbclid=IwAR119FN1YDRnkZTOF1cyluriIGmQ2SS5kPEtlVi1eeGDp4e5g0RQDM_8XjA
  • ADDITIONAL CLARIFICATION: If it is not specifically called out above, you cannot change, modify, add or deviate from OEM parts and components

40+ Stock 125

Ages 17 and Up (under 17 requires coach endorsement)

Racers under 17 years old require coach and MiniGP organizational approval.  There are specific requirements for a racer under 17 to be promoted to non-youth classes.  Please see the rule book for further details.

SPEC CLASSES: 

These classes will have specific rules about what changes are allowed and what is not.  The spec classes are designed to promote competition, fairness, and limit build costs as much as possible.

Stock 125 Lightweight  |  Stock 125 Heavyweight  |  40+ Stock 125

RIDER REQUIREMENTS

  • Lightweight: Rider Weighs in at Under 150lbs without suit. Heavyweight: Rider Weighs in at Over 150lbs without suit.  Stock 125 Lightweight and Heavyweight classes qualify and race together with separate points and podiums awarded to each class.
  • 40+ Stock 125:  Rider must turn 40 years old during the current race season. Proof of age required at Check-in  (Driver’s License/Photo ID). Rider weight does not apply to the 40+ Class.

 

MOTORCYCLE SPECS:

  • Honda XR100, CRF100, CRF125L & MSX125 (Grom), Yamaha TTR125L, Suzuki DRZ125L, Kawasaki Z125 Pro
  • PERMITTED CHANGES:
    • CONTROLS: Hand Controls, handlebars, and foot controls can be changed
    • LOOKS: Seat and plastic kit can be changed
    • WHEELS: Dirt Tires MUST be changed.  No Dirt tires permitted. Dirtbike Rims can be changed to 16” only and must use OEM spec hubs. Tires choice is open, except: “Stock 125 LW” Class motorcycles that come stock with 12” rims (e.g. Grom, Z125) may only use DOT tires (No race slicks)
    • FUEL: Only standard octane pump fuels are allowed (No oxygenated, leaded, or high-octane race fuels or fuel additives permitted). Stock Carb must be used but jetting may be changed.
    • INTAKE: Drop in Air Filter may be changed. Airbox cannot be removed or modified.
    • SUSPENSION: OEM stock forks and OEM stock shock must be used. Stock Fork Internals may be changed. The rear shock’s spring, fluid and internals can be changed
    • GEARING: Front and Rear Sprocket may be changed. Chain size is unrestricted.
    • BRAKES: Brake pads/shoes are permitted. Brake lines may be changed
    • CLUTCH: Aftermarket clutch disks/springs may be used
    • MSX125Grom and Z125Pro: Headlights, taillights and turn signals may be removed.  If not removed they must be thoroughly taped over so that no visible light can be seen to distract other riders on track. Highly recommend that the headlight and taillight fuses are removed
  • Honda XR100 and CRF100 ONLY are allowed to replace rear shock with one of the two shocks listed below.
  1. https://www.amazon.com/Vonkat-Shock-Honda-XR100-CRF100/dp/B07VL639S9
  2. https://tboltusa.com/store/tbparts-dnm-rear-shock-for-honda-crf100-xr100-650lbs-p-10973.html?fbclid=IwAR119FN1YDRnkZTOF1cyluriIGmQ2SS5kPEtlVi1eeGDp4e5g0RQDM_8XjA
  • ADDITIONAL CLARIFICATION: If it is not specifically called out above, you cannot change, modify, add or deviate from OEM parts and components

Monkey-Bike Class **SFLMiniGP Only**

**SFLMiniGP Only**

Ages 17 and Up (under 17 requires coach endorsement)

MOTORCYCLE SPECS:

  • Honda Grom, Kawasaki Z125, Motracs 125cc, SSR Ruzkull 125cc
  • Binelli 135cc (No modifications allowed except suspension and tires.)
  • PERMITTED CHANGES:
    • CONTROLS: Hand Controls, handlebars, and foot controls can be changed
    • LOOKS: Seat and body kit can be changed
    • WHEELS: Tires and rims are unrestricted
    • FUEL: Only standard octane pump fuels are allowed (No oxygenated, leaded, or high-octane race fuels or fuel additives permitted). Stock Carb must be used but jetting may be changed.
    • INTAKE: Drop in Air Filter may be changed. Airbox cannot be removed or modified.
    • SUSPENSION: Stock forks must be used. Stock Fork Internals may be changed. Aftermarket rear shocks are allowed
    • GEARING: Front and Rear Sprocket may be changed
    • BRAKES: Brake pads/shoes are permitted. Brake lines may be changed.
    • CLUTCH: Aftermarket clutch disks/springs may be used
    • EXHAUST: Aftermarket exhaust permitted
  • ADDITIONAL CLARIFICATION: If it is not specifically called out above, you cannot change, modify, add or deviate from OEM parts and components

Spec65 **SFLMiniGP Only**

Ages 17 and Up (under 17 requires coach endorsement)

This class will run concurrent with F2 and GP190 but scored separately. You will not be able to run a 65cc 2stroke in the F2 class. You can only run it in the Spec65 class

MOTORCYCLE SPECS:

  • KTM 65SX, Yamaha YZ65, Kawasaki KX65
  • ADDITIONAL CLARIFICATION: If it is not specifically called out above, you cannot change, modify, add or deviate from OEM parts and components
  • RIDER SIZE ADVANTAGE EXCEPTION:  Any rider 150lbs or larger without gear can run up to 72cc to challenge themselves and race with the smaller and lighter kids who have moved up.
  • PERMITTED CHANGES:
    • CONTROLS: Hand Controls, handlebars, and foot controls can be changed
    • LOOKS: Seat and plastic kit can be changed
    • WHEELS: Dirt Tires MUST be changed.  No Dirt tires permitted. Dirtbike Rims can be changed to 12” only and must use OEM spec hubs. Aftermarket 12” mag wheels allowed with OEM Spec hubs (Big Brake kits are NOT permitted)
    • FUEL: Only standard octane pump fuels are allowed (No oxygenated, leaded, or high-octane race fuels or fuel additives permitted). Stock Carb must be used but jetting may be changed.
    • INTAKE: Drop in Air Filter may be changed. Airbox can be removed or modified. Aftermarket reed valves are permitted.
    • SUSPENSION: Stock forks must be used. Stock Fork Internals may be changed. Rear shock may be changed. Fork braces are allowed.
    • GEARING: Front and Rear Sprocket may be changed
    • BRAKES: Brake pads/shoes are permitted. Brake lines may be changed. Aftermarket rotors are allowed but must remain OEM size.
    • CLUTCH: Aftermarket clutch disks/springs may be used

F1 / MotoAmerica MiniCup "StreetGP"

Ages 17 and Up (under 17 requires coach endorsement)

Wheel sizes may vary.

MOTORCYCLE SPECS:

  • DIRTBIKE & STREET CHASSIS ONLY
  • NO GP CHASSIS ALLOWED (e.g. NSF, NSR, YSR, Ohvale, etc)
  • Bike types no larger than:
    • MAX 63cc 2 stroke
    • MAX 125cc 4 stroke (horizontal cylinder config) CRF/TTR/DRZ/KLX125 ARE allowed in this class
    • MAX 120cc 4 stroke (vertical cylinder config)

DISCLAIMER: This is an OPEN class for MINIGP races, however, MotoAmerica Minicup and/or FIMMiniCup rules supersede MiniGP during qualifying rounds for those championships.

 

F2

Ages 17 and Up (under 17 requires coach endorsement)

MOTORCYCLE SPECS:

  • DIRTBIKE & STREET CHASSIS ONLY
  • NO GP CHASSIS ALLOWED (e.g. NSF, NSR, YSR, Ohvale, etc)
  • Bike types no larger than:
    • MAX 72cc 2 stroke
    • MAX 150cc air cooled 4 stroke
    • MAX 130cc liquid cooled 4 stroke

 

GP160

Ages 17 and Up (under 17 requires coach endorsement)

NOTE: THIS CLASS WILL RACE CONCURRENTLY WITH F1 AND SCORED SEPARATELY

MOTORCYCLE SPECS:

  • GP CHASSIS ONLY (NSF, NSR, YSR, Ohvale, etc)
  • NO DIRTBIKE CHASSIS
  • Bike types no larger than:
    • MAX 72cc 2 stroke
    • MAX 160cc 4 stroke (vertical cylinder config)

DISCLAIMER: This is an OPEN class for MINIGP races, however, MotoAmerica Minicup and/or FIMMiniCup rules supersede MiniGP during qualifying rounds for those championships.

 

GP190

Ages 17 and Up (under 17 requires coach endorsement)

NOTE: THIS CLASS WILL BE RUN CONCURRENTLY WITH F2 AND SCORED SEPARATELY

MOTORCYCLE SPECS:

  • GP CHASSIS ONLY (NSF, NSR, YSR, Ohvale, etc)
  • NO DIRTBIKE CHASSIS
  • Up to 12” Wheels allowed
  • Minimum Limits: 150cc 4T / 72cc 2t
  • Maximum Limits: 190cc 4t / 105cc 2t

DISCLAIMER: This is an OPEN class for MINIGP races, however, MotoAmerica Minicup and/or FIMMiniCup rules supersede MiniGP during qualifying rounds for those championships.

GP Premier

Ages 17 and Up (under 17 requires coach endorsement)

MOTORCYCLE SPECS:

  • GP Chassis Only
  • 17” Wheels Only
  • Up to 250cc 4T / 125cc 2T (i.e. RS125/MD250H/RS250SP etc)
  • Tianda TDR300 allowed

Super Mini

Ages 17 and Up (under 17 requires coach endorsement)

MOTORCYCLE SPECS:

  • DIRTBIKE CHASSIS ONLY
  • NO GP CHASSIS ALLOWED (NSF, NSR, YSR, Ohvale, etc)
  • Bike Types no larger than
    • 105cc 2 stroke
    • 195cc air cooled 4 stroke
    • 150cc liquid cooled 4 stroke

 

Motard - Amateur - SFLMiniGP

Ages 17 and Up (under 17 requires coach endorsement)

*There are no dirt sections. This is asphalt racing only 

RIDER REQUIREMENTS

  • First time racing Motard class with MiniGP and/or you are an amateur status racer with CCS, WERA, PANAM.
  • Should you race expert with CCS, WERA, PanAm or Race with MotoAmerica, you will be bumped to Motard  Expert
  • Once you bump up to Motard Expert, you cannot return to Motard Amateur
  • 1st place in the Motard Amateur Championship requires that you get bumped up to Motard Expert automatically for the following season
  • 2nd place in the Amateur Championship gets to chose to stay in Amateur or bump up to Expert
  • 3rd place and further back must stay in Amateur

 

MOTORCYCLE SPECS:

  • DIRTBIKE CHASSIS ONLY
  • Minimum CC Limits:
    • Recommended Minimum: 105cc 2 stroke; 195cc air cooled 4 stroke; 150cc liquid cooled 4 stroke
    • Exception: See Supermini rules.   Important to note that should it be determined that the rider on a Supermini spec machine is a danger to the group due to slow or inconsistent speed, you will be removed from the class. This is at the discretion of the SFLMiniGP Staff.
  • No Maximum CC Limit (i.e. 250s/450s/550s/690s/701s etc)

Motard - Expert - SFLMiniGP

Ages 17 and Up (under 17 requires coach endorsement)

There are no dirt sections. This is asphalt racing only 

MOTORCYCLE SPECS:

  • DIRTBIKE CHASSIS ONLY
  • Minimum Bike size of 250cc
  • No Maximum CC Limit (i.e. 250s/450s/550s/690s/701s etc)
  • There is no dirt section. This is asphalt racing only
  • Should you race expert with CCS, WERA, PanAm or Race with MotoAmerica, you are placed in Expert
  • Once you are Expert you CANNOT return to Amateur

Motard Class - NJMiniGP

*There is no dirt section. This is asphalt racing only 

  • Dirtbike Chassis ONLY
  • Minimum Bike sizes
    • 105cc 2 stroke
    • 195cc air cooled 4 stroke
    • 150cc liquid cooled 4 stroke
  • No Maximum CC Limit (i.e. 250s/450s/550s/690s/701s etc)
  • There is no dirt section. This is asphalt racing only

SS 300

Ages 17 and Up (under 17 requires coach endorsement)

This class will be run concurrently with GP Premier and scored separately

MOTORCYCLE SPECS:

  • STREET CHASSIS ONLY
  • NO DIRTBIKE or GP CHASSIS PERMITTED
  • Up to 400cc (e.g. Honda/Kawi 250s, 300s, KTM 390, Ninja 400)
  • Bikes must be track prepped. No taped lights, license plates, etc

Endurance - Spec 50 - Kids Class

Ages 5-17 with little to no track riding experience

*THIS CLASS WILL BE RUN CONCURRENTLY WITH SPEC110 AND SCORED SEPARATELY*

Bikes limited to: 

  • Honda CRF 50 and Yamaha TTR 50
  • No engine or chassis modifications whatsoever
  • OEM engine internals only
  • Stock bore and stroke must be maintained
  • All OEM gaskets must be utilized
  • OEM carburetor must be used
  • OEM Air box must be used (No air box modifications allowed)
  • OEM Exhaust System must be used (Stock exhaust baffles/spark arrestor must be installed)
  • OEM ignition system must be used
  • Tires, drop-in air filter, jetting, gearing and controls may be changed
  • Front forks must remain OEM, spring and fluid may be changed, internal modifications ARE allowed.
  • Rear shock must remain OEM, spring and fluid may be changed, internal modifications ARE allowed.
  • After market aluminum wheels are allowed but must retain stock 10" wheel size and OEM style hubs.
  • Only standard octane pump fuels are allowed (no oxygenated, leaded or high octane race fuels permitted)

Endurance - Spec 110 - Kids Class

Ages 5-17 with little to no track riding experience

*THIS CLASS WILL BE RUN CONCURRENTLY WITH SPEC50 AND SCORED SEPARATELY*

Bikes limited to:

  • Honda CRF110, Kawasaki KLX110 or KLX110L, Suzuki DRZ110, Yamaha TTR110, Stock SSR110 and Yamaha TTR90
  • Wheels can be changed to 12” front and rear on above bike models only
  • Ohvale 110 Auto model allowed in stock format/trim only
  • No engine or chassis modifications whatsoever
  • OEM engine internals only
  • Stock bore and stroke must be maintained
  • All OEM gaskets must be utilized
  • OEM carburetor must be used
  • OEM Air box must be used (No air box modifications allowed)
  • OEM Exhaust System must be used (Stock exhaust baffles/spark arrestor must be installed)
  • OEM ignition system must be used
  • Tires, drop-in air filter, jetting, gearing and controls may be changed
  • Front forks must remain OEM, spring and fluid may be changed, internal modifications ARE allowed.
  • Rear shock must remain OEM, spring and fluid may be changed, internal modifications ARE allowed.
  • Only standard octane pump fuels are allowed (no oxygenated, leaded or high octane race fuels permitted)

Endurance - Stock 125

Ages 17 and Up (under 17 requires coach endorsement)

Lightweight: Under 150lbs without suit

Heavyweight: Over 150lbs without suit

Bikes limited to:

  • Honda XR100, CRF100, CRF125L & MSX125 (Grom)
  • Yamaha TTR125L
  • Suzuki DRZ125L
  • Kawasaki Z125 Pro
  • On MSX125 (Grom) and Z125 Pro, headlights, tail lights and turn signals may be removed.  If not removed they must be taped over
  • No engine or chassis modifications whatsoever
  • OEM engine internals only
    • Aftermarket clutch disks/springs may be used
  • Stock bore and stroke must be maintained
  • All OEM gaskets must be utilized
  • OEM carburetor must be used
  • OEM Air box must be used (No air box modifications allowed)
  • OEM Exhaust System must be used and left in stock format (NO MODIFICATIONS ALLOWED)(Stock exhaust baffles/spark arrestor must be installed)
  • OEM ignition system must be used
  • Tires, drop-in air filter, jetting, gearing and controls may be changed
    • Gearing can be aftermarket and chain size is unrestricted
    • Controls include handlebars, levers, throttles, cables, footpegs/mounts and shifters/pedals
  • Front forks must remain OEM, spring and fluid may be changed, internal modifications ARE allowed.
    • Fork braces and aftermarket triple clamps are NOT permitted
    • If machine is equipped with a disc brake, only OEM rotors are allowed
    • Brake pads/shoes are unrestricted
  • Rear shock must remain OEM, spring and fluid may be changed, internal modifications ARE allowed.
  • Honda XR100 and CRF100 ONLY are allowed to replace rear shock with one of the two shocks listed below.

https://www.amazon.com/Vonkat-Shock-Honda-XR100-CRF100/dp/B07VL639S9

https://tboltusa.com/store/tbparts-dnm-rear-shock-for-honda-crf100-xr100-650lbs-p-10973.html?fbclid=IwAR119FN1YDRnkZTOF1cyluriIGmQ2SS5kPEtlVi1eeGDp4e5g0RQDM_8XjA

  • Wheels may be changed to 16” only but must utilize OEM hub.  Rim width and material is unrestricted.
  • Only standard octane pump fuels are allowed (no oxygenated, leaded or high octane race fuels permitted)

Endurance-40+ Stock 125

Ages 40 and Up - (Proof Required at Check-in)(Drivers License/Photo ID)

Ages 17 and Up (under 17 requires coach endorsement)

Lightweight: Under 150lbs without suit

Heavyweight: Over 150lbs without suit

Bikes limited to:

  • Honda XR100, CRF100, CRF125L & MSX125 (Grom)
  • Yamaha TTR125L
  • Suzuki DRZ125L
  • Kawasaki Z125 Pro
  • On MSX125 (Grom) and Z125 Pro, headlights, tail lights and turn signals may be removed.  If not removed they must be taped over
  • No engine or chassis modifications whatsoever
  • OEM engine internals only
    • Aftermarket clutch disks/springs may be used
  • Stock bore and stroke must be maintained
  • All OEM gaskets must be utilized
  • OEM carburetor must be used
  • OEM Air box must be used (No air box modifications allowed)
  • OEM Exhaust System must be used and left in stock format (NO MODIFICATIONS ALLOWED)(Stock exhaust baffles/spark arrestor must be installed)
  • OEM ignition system must be used
  • Tires, drop-in air filter, jetting, gearing and controls may be changed
    • Gearing can be aftermarket and chain size is unrestricted
    • Controls include handlebars, levers, throttles, cables, footpegs/mounts and shifters/pedals
  • Front forks must remain OEM, spring and fluid may be changed, internal modifications ARE allowed.
    • Fork braces and aftermarket triple clamps are NOT permitted
    • If machine is equipped with a disc brake, only OEM rotors are allowed
    • Brake pads/shoes are unrestricted
  • Rear shock must remain OEM, spring and fluid may be changed, internal modifications ARE allowed.
  • Honda XR100 and CRF100 ONLY are allowed to replace rear shock with one of the two shocks listed below.

https://www.amazon.com/Vonkat-Shock-Honda-XR100-CRF100/dp/B07VL639S9

https://tboltusa.com/store/tbparts-dnm-rear-shock-for-honda-crf100-xr100-650lbs-p-10973.html?fbclid=IwAR119FN1YDRnkZTOF1cyluriIGmQ2SS5kPEtlVi1eeGDp4e5g0RQDM_8XjA

  • Wheels may be changed to 16” only but must utilize OEM hub.  Rim width and material is unrestricted.
  • Only standard octane pump fuels are allowed (no oxygenated, leaded or high octane race fuels permitted)

Endurance - F1

Ages 17 and Up (under 17 requires coach endorsement)

Wheel sizes may vary.

Bikes limited to:

  • 63cc 2 stroke
  • 125cc 4 stroke (horizontal cylinder config) TTR/DRZ/KLX125 ARE allowed in this class
  • 120cc 4 stroke (vertical cylinder config)

Endurance - F2

Ages 17 and Up (under 17 requires coach endorsement)

Bike types no larger than:

  • 72cc 2 stroke
  • 150cc air cooled 4 stroke
  • 160cc air cooled 4 stroke - 10" wheel bikes only (Ohvale 160 model)
  • 130cc liquid cooled 4 stroke

Endurance - GP160

Ages 17 and Up (under 17 requires coach endorsement)

Bike limited to:

  • GP Chassis Only (NSF, NSR, YSR, Ohvale, etc)
  • F2 Rules apply
  • 72cc 2 stroke
  • 160cc 4 stroke (vertical cylinder config)

Bridge Program Class (Please click button to the left for bridge day registration.)