2010 SMKA Championship Classes
All Championship Classes are per the 2010 IKF Rulebook
except where noted
4-cycle - Kid Karts (per IKF)
Age: 5-8
(Drivers
must have attained the age of 5 to compete. Kid Kart drivers may finish the
season in the year they have their 8th birthday. If the driver
obtains the age of 8 on or before January 1st, they must move up to
the next class.)
Weight: 150 lbs
Gearing: 219 chain, 10 tooth driver, 89 tooth
axle sprocket
Tires: Bridgestone YKC or YHC (Front &
Rear: 10-4.50x5)
Tire pressure: Not to exceed 20 psi hot
Engine: TBD (4-Cycle)
Front Track: Maximum 40
Rear Track: Maximum 42
4-cycle - Briggs Jr. I Animal (per IKF)
Age: 8-11
(Drivers
may finish the season in the year they have their 12th birthday. If
the driver obtains the age of 12 on or before January 1st, they must
move up to the next class.)
Weight: 240 lbs
Engine: Briggs Animal per IKF section 700.3.7.5
Clutch Open
Tires: Bridgestone YKC or YHC (Front &
Rear: 10-4.50x5)
Rear Track: Maximum 50
4-cycle - Briggs Jr. II World Formula (per IKF)
Age: 12-15
(Drivers
may finish the season in the year have their 16th birthday. If the
driver obtains the age of 16 on or before January 1st, they must up
to the next class.)
Weight: 325lbs
Engine: Briggs
World Formula per IKF section 717
Clutch: WF spec per IKF section 717.7
Tires: Bridgestone YKC or YHC (Front:
10-4.50x5, Rear: 11-6.0x5)
Rear Track: Maximum 55.125
4-cycle - Briggs Sr. World Formula Heavy (per IKF)
Age: 16-up
Weight: 390 lbs
Engine: Briggs World Formula per IKF section
717
Clutch: WF spec per IKF section 717.7
Tires: Bridgestone YKC or YHC (Front:
10-4.50x5, Rear: 11-6.0x5)
Rear Track: 55.125
4-cycle - Ladies Only (Non-Championship Class, trophies awarded at
races)
Age: 16-up
(female only)
Weight: 300
lbs
Engines: Briggs
Animal per IKF section 715
Clutch: Any steel drum/shoe type clutch
Tires: Bridgestone
YKC or YHC (Front: 10-4.50x5, Rear: 11-6.0x5)
Rear
Track: 55.125 Maximum
2-cycle - Kid Karts (per IKF)
Age: 5-8
(Drivers
must have attained the age of 5 to compete. Kid Kart drivers may finish the
season in the year they have their 8th birthday. If the driver
obtains the age of 8 on or before January 1st, they must move up to
the next class.)
Weight: 150 lbs
Gearing: 219 chain, 10 tooth driver, 89 tooth
axle sprocket
Tires: Bridgestone YKC or YHC (Front &
Rear: 10-4.50x5)
Tire pressure: Not to exceed 20 psi hot
Engine: Comer C51 per IKF section 622.51
Front Track: Maximum 40
Rear Track: Maximum 42
2-cycle - Super Sportsman (Superbox - per IKF)
Age: 12-up
Weight: 360
lbs
Engine: Yamaha
KT 100S w/ RLV Muffler SSX-V
Tires: Bridgestone
YKC or YHC (Front: 10-4.5x5, Rear: 11-6.0x5)
Clutch: Per IKF section 202.5
Rear Track: Maximum 55.125
Exhaust: 4-Hole Can or RLV-3 Pipe (Pipe allowed
starting in June 10)
2-cycle - TAG (per IKF section 275.5.3)
Age: 16-up
Weight: 370
lbs
Engines: Leopard,
PRD Fireball 2008, PRD & Rotax
Clutch: OEM
Tires: Bridgestone
YKC or YHC (Front: 10-4.5x5, Rear: 11-7.10x5)
Fuel: Unleaded
gasoline, 98 Octane Maximum
Rear
Track: 55.125 Maximum
2-cycle - Shifter (per IKF section 251)
Age: 16-up
