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SEMRA 2008 Class Structure

Machines are divided into classes based on the criteria of engine displacement and type (two stroke/four stroke), wheel size, and water or air cooled.


Kids Novice class B - (Ages 4-10)

Up to 70cc four stroke. Auto clutch. Up to 50cc two stroke. Auto clutch. No engine mods. Aftermarket pipe and jetting changes only.

Kids Novice class A - (Ages 7-14)

Up to 125cc four stroke. Up to 65cc two stroke. No engine mods. Aftermarket pipe and jetting changes only.

Kids classes will run concurrently, with a two wave start.  Kids class competitors will be moved at SEMRA officials discretion.

Adult Novice

Ages 14 and up. Any SEMRA legal mini may compete in this class. When a competitor's times AND SKILL level approach the times being turned in the main classes, they will be moved. Conversely, a competitor in the main events that presents a danger to himself or others will be moved to Adult Novice so they may safely gain the skills needed to compete in the main events. The purpose of this class is to allow competitors new to mini road racing a safe entry into the sport.

LW Spec Sponsored by: Thumpstar

Thumpstar/SEMRA Spec bike 125cc - Rider and gear weighing 194 Lbs or less.

HW Spec Sponsored by:  Thumpstar

Thumpstar/SEMRA Spec bike 125cc - Rider and gear weighing 195 Lbs or more.

Formula 1 Sponsored by: 

50cc water cooled two strokes, 60cc air cooled two strokes, and up to 100cc air cooled four strokes with up to 12" wheels.

Formula 2 Sponsored by:  M & M Racing     Westminster, SC

Two strokes up to 65cc, 4 strokes up to 125cc under Superbike rules.  Bikes may have unlimited engine mods but must not exceed max displacement.

GP 85 Sponsored by:  Advanced Performance Accessories     York, SC

Two strokes up to 85cc, air-cooled four stokes up to 175cc under Superbike rules.

Thumper 136 Sponsored by: Mountain Adventures    Conyers, GA

Four stroke machines only up to 136cc under Superbike rules. Unlimited engine mods, but can not exceed 136cc. Examples: XR100, TTR125, DR125, Spec Bike

Thumper 150 Sponsored by:  Ohlins

Four stroke machines up to150cc for water-cooled and 175cc for air-cooled under Superbike rules. Unlimited engine modifications, but must not exceed maximum displacement.

SuperMini Sponsored by:  D & D Cycles of Pensacola    Pensacola, FL

Two stokes machines up to 105cc maximum displacement or Four stroke machines up to 150cc for water-cooled and 175cc for air-cooled.  Unlimited engine modifications, but must not exceed maximum displacement.

Supermoto Sponsored by:  Ohlins

Up to 525cc dirt bike chassis, any wheels.  

 

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Copyright © 2008 Southeasten Mini Roadracing Association, LLC
Last modified: 02/26/2008