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Class Rules -
**MiniMoto Nation reserves the right to alter these rules at anytime*
 

Stock 110 ​

• Comfort mods only( Bars, springs, tires, peg bars, shifters, levers, chains, tires, sprockets, or cosmetic upgrades)​

• No internal motor modifications

• Must have stock exhaust

• Must have stock airbox

• Must have stock swingarm( No aftermarket allowed)

• No aftermarket Throttle bodies (CRF) or Intakes

• No aftermarket clutches

• No additional aftermarket parts or modifications to the bike unless specifically approved in this rule section

• NO PORTING Allowed( NO porting of head/intake manifold or any other parts on the bike)

• No lightened flywheels or other components 

• Must be air cooled 4 stroke

• 110L not allowed. 110L rides in Stock Limited

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Stock Limited

• Aftermarket Exhaust allowed

• Aftermarket A style swingarms allowed( Foes/BBR ETC)

• throttle bodies/carburetors/intakes allowed

• Porting/jetting/tuning is allowed

• MUST RETAIN STOCK BORE/STROKE

• Conventional style forks required( no inverted forks allowed unless from factory(most chinese style bikes)

• KLX110L allowed

• Disc brakes allowed( This is the class you will race a stock YCF110 and other off brand bikes that are 110cc)

• aftermarket Clutches allowed

• 114CC max ( no Big bores)

• Must be air cooled 4 stroke

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Stock Mod 110

• 155cc Max Engine Size ( Any internal engine mods are OK as long as the bike meets the max engine CC requirement.)

• Aftermarket exhaust allowed

• Stock Style Suspension Required - Aftermarket A Style Swing Arms Permitted

• Stock Style Forks Required (KX 65 forks OK) - Inverted Forks are NOT Permitted

• Disc Brake Conversions Permitted

• KLX110L allowed

• Throttle bodies and Intake manifolds are permitted​

• Air cooled motors 4 strokes only

• clutches allowed

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Fullmod

• No Modification Restrictions

• Wheels limited to 12” rear and 14” Front

• Air cooled motors 4 strokes only

• Electric conversions allowed. 

• No surrons

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PlayBike -

Bikes are limited to XR100, KLX140, KLX140L, CRF125, CRF150F, DRZ125, and TTR125.

Bikes Must be Air Cooled 4 strokes

190cc Max Engine Size

No Modification Limits Otherwise
 

40+
-No Modification Restrictions

-Must be air cooled 4 strokes

- Wheels limited to 17” rear and 19” Front.

-Rider must be of 40 years of age or older

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Heavyweight

-Must be 220+ lbs for this class

-No modification restrictions

-Must be air cooled 4 strokes

-Wheels limited to 17" rear and 19" front

 

Womens

-190cc Max

-17/19 Max wheel size

- Must be air cooled and must be 4 stroke

 

XR100

-145cc Max

-Must be Honda XR100 Frame

-XR80s allowed

 

Unlimited
-17" Rear and 19" front max

-No cc Limit

-Must be air cooled

-Electric Conversions/bikes allowed, as long as all other requirements met. 

-Air cooled 2 strokes allowed

- Surrons allowed

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Unlimited B​

-Same rules as unlimited

-You cannot ride this class if signed up for any money class

-This class is designed to be an entry level class for people new to the sport/racing scene.

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Youth 9-14

-Must 9-14 years old

-12" rear and 14" front max NO BIG WHEEL BIKES/PLAYBIKES

-Must be air cooled and 4 stroke

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Youth 3-8

-Must be 3-8 years old

-4 stroke ONLY (pw50s allowed)

-110cc MAX

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Vintage Mini

-110cc max engine size( 4 strokes 1999 and older)

-80cc max engine size(2 strokes 1975 and older except for GT80,KV75 and similar bikes)

-14" max rear wheel size

-Typical minis but not limited, to this class: z50,CT70,SL/XL70,KV75,XR75,GT80,YZ80(74-75),JT1,JT2, TM75(74-75) AND similar era Minis. 

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Stacyc

- Must be an electric style balance bike

-16" max wheel size