2022 SIRA CLASS STRUCTURE:
CLASS NAME:
Kid Karts
Jr 1 Sportsman 206
Jr 2 Sportsman 206
206 Senior
206 CIK
206 Masters
Sr 4 cycle Sr
Yamaha Can
KA100/Yamaha Pipe
80cc Shifter
125cc Shifter
AGE:
5-8 Years
7-12 Years
12-15 Years
15+
15+
40+
15+
15+
15+
15+
15+
WEIGHT:
N/A
250#
310#
375#
375#
390#
Animal 385#
206 super stock 385#
Flat head 375#
Clone 375#
206 stock 370#
350#
KA100 360#
Yamaha Pipe 360#
385# / 395# Front Brakes
Stock/Modified Honda 380#
ROK 395#
KZ 405#
Honda 144cc 405#
Special Notes:
Participation Class: Comer C-50/Honda GX50
Briggs and Stratton 206 Rules: Green Carburetor Slide
Briggs and Stratton 206 Rules: Gold Carburetor Slide
Bodywork: American or CIK
Wheel widths: Frt 5-5/8: Rear 8-3/4", CIK Body/Seat
Bodywork: American or CIK
Bodywork: American or CIK
RLV-V #7548 4 hole can
KA100 Per WKA
Yamaha Pipe Exhaust: RLV CK-4 pipe and header
Notes
Non Points, NO 175cc Engines
2023 Whiteland Raceway Park
Supplemental Rules
All classes will follow the 2022 SIRA rule book with the exception of these supplemental rules:
Supplemental Rules:
Iame Micro Swift:
AGE:
7 - 10 Years Old
ENGINE
IAME Swift 60cc with factory 16mm header, factory
airbox
TIRES:
Manufacturer Per SIRA open tire compounds 4.60 / 4.60
WEIGHT:
225lbs
NOTES:
2022 USPKS Rule book for engine and chassis
Iame Mini Swift:
AGE:
8 - 12 Years Old
ENGINE:
IAME Swift 60cc, factory airbox
TIRES:
Manufacturer Per SIRA open tire compounds 4.60 / 4.60
WEIGHT:
245lbs
NOTES:
2022 USPKS Rule book for engine and chassis
All 206 classes:
206 Tech per Briggs and Stratton rules 2023:
Effective January 16, 2023
(Last updated February 15, 2022)
206 Fuel:
Purchased at Whiteland Raceway Park
2-Cycle Classes:
Fuel:
Purchased at Whiteland Raceway Park
Open Shifter Weights:
Stock/Modified Honda: 380#
ROK: 395#
KZ: 405#
Honda 144cc: 405#
IAME 175: 410# (Engine tech per IAME)
Ver 2.1 6.7.23
Updated 6.7.23
Promoters Options Classes: TaG Senior, 4-CYCLE Flathead Only, Vintage, Unlimited, HPV/KPV, Electric, 2-Cycle Jr., Other
2022 SIRA RULE BOOK: