GSR Kartway Divisions. GSR Race Night Rules. This is the form that we will be using for tech inspection.
Amendments to the NKA rules are listed below the classes at the bottom of the page.
Kiddie Kart* Age: 5 to 7. Minimum Weight: 155 lbs. kart & driver after the race. Engine: Comet c50/ c51
unaltered stock or the L0206 but call Ed before doing so, 715-853-8097. Fuel: gas only. Subject to a $350.00
Rookie Box Stock (NKA Cadet) Age: 5 to 12. Minimum Weight: 265 lbs. kart & driver after the race. Engine:
Briggs SEALED LO206JR engine to be run "out of the box" and will follow the NKA outlines for this
engine. All major components must be sealed including cam, head, and intake manifold. Carb slide will be
part #555728 (Black). Carb locking cap part #555726 "Green" coil. 6150 RPM Max. MUST be present.
Box Stock (NKA Novice) Age: 8 to 12. Minimum weight 265 lbs kart and driver after race. Briggs SEALED
6.5HP LO206 engine to be run "out of the Box". All major components must be sealed including block and
head. Carb Slide will be part #555735 (Purple). Carb locking cap part #555726 MUST be present. Fuel: 91
octane or less "Pump Gas."
Racing For Education* This is a New London Middle School program. Please contact Brent Dusek at
Sportsman Clones L0206 (NKA Masters) Age 12 and up. Minimum weight 350 lbs kart and driver after race
for both engine choices. SEALED 6.5 HP Clone engine with some modifications allowed. Governor
removed, #5 timing key, GX140 emulsion tube, main jet non-tech, pump gas only, 18 lb. valve springs, 1 to
1.3 valve rockers, RVL 5438c header, RVL silencer. All major components must be sealed including block
side cover and head. Fuel: 91 octane or less "Pump Gas."
SEALED 6.5HP Animal LO206 engine to be run "out of the Box" to follow NKA LO206 rules. All major
components must be sealed including block and head. Fuel: 91 octane or less "Pump Gas."
JUNIOR II (NKA Junior II Legacy) Ages 8 to 12, weight minimum 290 lbs. kart and driver after race. Briggs
SEALED 6.5HP LO206 engine to be run "out of the Box". All major components must be sealed including
cam, head, and intake manifold on LO206. Carb Slide will be part #555734 (Blue). Carb locking cap part
#555726 MUST be present. Fuel: 91 octane or less "Pump Gas."
Briggs Animal WKA Stock engine with a Blue/Torquoise restrictor plate top hole .275 and bottom hole of
.325 alcohol fuel.
Junior III 320lb / Animal Pro 360lb Ages 12 and up. Weight in of kart and driver after race is 320lbs for Junior
III and 360lbs for Animal Pro. Briggs NKA Stock Animal engine with .750 Black Restrictor Plate or Briggs
5HP Motor to be run with WKA Stock Motor rules as a guideline with .575 Gold Restrictor Plate.
Briggs NKA Stock Animal engine. Throttle Slide: OEM item only. Minimum length top edge of slide to
deepest part of cut away 1.142".
Junior Winged Outlaw Ages 12 to 16. Minimum weight 325lbs kart and driver after race. Engine: Briggs
"Sealed" Animal available only at Mitchell Motorsports. Pump gas only. Must run a Premier stinger clutch.
Burris Tires on all 4 corners. You must run a Burris QRC55 on the right rear. (This class is based on Hi-Go
Winged Outlaw 250 Class Ages 14 and up. Minimum weight is 430lbs kart and driver after race. Single
Cylinder stock stroke and rod length as per manufacture year, model and engine specifications. No after
market big bore kits, no after market stroker kits, Maximum cylinder displacement 265cc. After market
pipes, heads and intakes allowed. Naturally aspirated carburetors allowed. "Gas only." No nitrous oxide.
Burris tires on all 4 corners. Right rear must be a Burris QRC55. (This class is based on Hi-Go Raceway
Winged Outlaw 500 Class Ages 16 and up. Minimum weight is 450lbs kart and driver after race. Single
cylinder (2 Strokes) 550cc max displacement. (4 strokes) 600cc max displacement. After market pipes,
heads and intake allowed. 4 strokes may use fuel injection, only if the motor came from factory with fuel
injection. No after market fuel injection, naturally aspirated carburetors allowed both motors. Gas only. Not
nitrous oxide. Burris tires on all 4 corners. Right rear must be a Burris QRC55. (This class is based on
Hi-Go Raceway platform)
Oshkosh Kids Kart Club* The Karts are based on the Kids Kart Club Program. Novice, intermediate and
Junior. Please visit the website at kidskartclub.org contact number is 920-720-0085 contacts are:
*Kiddie Karts, Racing for Education and Oshkosh Kids Kart Club are GSR Kartway divisions only. They
may not be legal at other tracks. The classes listed are what we normally run at our track. We will run any
class that races at other tracks in the area. It is best to have 4 or more karts per class to run. Please call
715-853-8097 if you have any questions.
Amendments to NKA Rules
All Junior drivers are required to have a SFI Certified chest protector.
Spark Plugs to be used are Champion #RC12YC, Autolite #3924 or NGK #BKR5E for Briggs and Stratton
All gas is to be standardized to premium fuel without ethanol, and will be graded against premium from
Auto Service Plus / Mathews Supper Club
Wednesday, July 8th
N11024 Hwy 45, Clintonville WI 54929
Race day / Rain out phone: Ed (715) 853-8097