
Menomonie, WI
In 2009 Thunder Hill Speedway will be updating our MX track and have 3 Pit bike classes! We will have 8 Championship points races for the pit bike classes. A point champion will be crowned in each class. The champion will receive a Thunder Hill Speedway Points Champion jacket and trophy! These races will be incorporated into our Saturday Night kart racing program. We will also be including the Pit bikes as part of our 17th Annual WI Dirt Track State Championship races! Come race under the lights in front of hundreds of people and get the recognition you deserve!

2009 Pit bike Schedule
May 2-Open practice (12-5pm)
May 9-Open practice (12-5pm)
May 30-Points races
June 13-Points races
June 27-Points races
July 18-Points races
August 15-Points races
August 22- Points races
Sep 11- Points races
Sep 12- Points races/WI Dirt Track State Championships
2009 PIT BIKE RULES
For 2009 Thunder Hill Speedway will have 3 classes of pit bikes! They are as follows:
10" Semi-pro Pit Bike Class:
RULES
Honda Z/XR/CRF 50, Yamaha TT-R 50 or Similar Pit Bikes
4 stroke engines only
10" rear wheel only
"50" style small chassis
Maximum of 125cc
SAFETY- Helmets, goggles, long pants, long sleeves, gloves, protective shoes
AGE- 12-up
No Nitrous Oxide
10" Pro Pit Bike Class:
Same rules as Semi-pro except, Maximum of 160cc in Pro Class
12" Pit Bike Class:
12" rear wheel only
KLX 110 style chassis
horizontal 4-stroke engines only
SAFETY- Helmets, goggles, long pants, long sleeves, gloves, protective shoes
AGE- 12-up
No Nitrous Oxide