SEMRA 2009 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 B - (Ages
4-7) Sponsored by: PicPapa
Photos
50cc Two stroke, 100cc Four stroke
Kids Novice A - (Ages 8-13)
Sponsored by: Kling
Racing, Cobra of Augusta
Up to 125cc four stroke, stock motors. 50cc two stroke. No engine mods. Aftermarket pipe and jetting changes only.
Kids Spec - (Ages
6-13) Sponsored by: Thumpstar
Must run Thumpstar Kids Spec bike. This class will run independently of other classes so
that kids spec riders can also race other classes. If the Kids Spec bike was purchased from Bob Henderson, their
Spec entry is FREE!
Kids Expert (Ages 7-13)
Sponsored by: M & M Racing
Westminster, SC
Up to 65cc two stroke, up to 125cc four stroke. This class will race with F1.
Racers in this class MUST be approved by Semra officials
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. The rule of thumb
will be 110% of main event laptimes.
Formula 1 Sponsored by: _
50cc water cooled two strokes, 60cc air cooled two strokes, and up to 112cc air cooled
four strokes.
Formula 2
Sponsored by: Automated Consulting Services, Inc
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: Automated Consulting Services, Inc
Two strokes up to 85cc, air-cooled four stokes up to 190cc under Superbike rules.
Thumper 136 Sponsored by: _
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:
Livengood Motorsports
Four stroke machines up to150cc
for water-cooled and 190cc for air-cooled under Superbike rules. Unlimited engine modifications, but must not exceed
maximum displacement.
SuperMini
Sponsored by: _
Two stokes machines up to 105cc maximum displacement or Four stroke machines up
to 150cc for water-cooled and 190cc for air-cooled. Unlimited engine modifications, but
must not exceed maximum displacement.
Supermoto
Sponsored by: D & D Cycles of Pensacola Pensacola, FL
Up to 525cc dirt bike chassis, any wheels.
LW Spec
Sponsored by: Thumpstar
Thumpstar/SEMRA Spec bike 125cc - Rider and
gear weighing 194 Lbs or less.
Both HW and LW Spec will be on the track concurrently.
HW Spec
Sponsored by:
Thumpstar
Thumpstar/SEMRA Spec bike 125cc - Rider and gear
weighing 195 Lbs or more.
Both HW and LW Spec will be on the track concurrently.
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