MICRO SPRINT RULES

Marion County Speedway/ “The Bullring”

Stock 250 Micro Sprint Rules Package.

Engine

ALL ENGINES WILL BE MANUFACTURERS PUBLISHED BORE AND STROKE

250 2 Cycle

Any 2 cycle motorcycle or ATV engine 250cc or smaller as furnished by original manufacturer using stock appearance and parts available in original manufacturers parts book; IE no cool heads or vendor pistons larger than those available from manufacturer’s parts book.  Cylinder porting is allowed. Clutch can be removed.

450 4 Cycle

Any 4 cycle motorcycle or ATV engine 450 cc or smaller as furnished by original manufacturer using stock appearance and parts listed in original manufacturer’s parts book: IE vendor pistons no larger than those available from manufacturer’s parts book.  Stage 1 camshafts allowed.

Weight         

All Micro Sprints minimum weight is 650 #, with driver.  Any added weight must be securely clamped or bolted to the frame of the car, must be painted white and have a car number engraved in it.  If a weight comes off on the track, that car will be DQ’ed from that race.

Fuel         

Pump gas, Race gas (Sunoco purple, VP C-12).  No E85, ethanol or methanol.  No Oxygenated Race fuel allowed.

Wing             

Convention air foil center section one piece 10 Sq. Ft. minimum size 16 Sq. Ft Maximum size measured length X width of center section.  Side boards will be 54”L x24”H maximum.

 

IF MCS RULES DOES NOT SAY YOU CAN/ THEN YOU CAN’T

  • MCS always welcomes any and all other race classes and sanctioning bodies.
  • MCS will run a Micro Sprint Limited Class as well. Please see MCS Limited Micro Sprint Rules Package.
  • MCS will establish a rules package for a 270 Micro Sprint class. If there are any 270 Micro Sprints wanting to establish a series, Please contact us for class structure.

 

Marion County Speedway

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We are located at

7197 NW GAINESVILLE RD OCALA, FL 34475

Have any questions?

Call us today, 352-812-3922 !

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