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2025 New Castle Motorsports Park Classes

Class Name

 

Weight

Tires

Notes

Mini Swift

245 lbs

MG Red
460x5

Air Boxes Mandatory
8-12 years old
All Drivers Must Use an SFI Approved Ribvest
SKUSA Engine Rules

 

 

 

 

Micro Swift

225 lbs

MG Red
460x5

Air Boxes Mandatory
7-10 years old
All Drivers Must Use an SFI Approved Ribvest
16mm Restricted Exhaust Header
SKUSA Engine Rules

 

 

 

 

Briggs LO206 CIK Senior

365 lbs

MG Red
460x5 Front, 710x5 Rear

*See rules page for max wheel widths

15 and up
Factory Briggs Rules for the LO206 engine
CIK Bodywork and Sprint Style Seats Legal Only
NCMP 93 octane track race gas only, must pass tech
See Rules page for more information

 

 

 

 

Briggs LO206 CIK Super Heavy

400 lbs

MG Red
460x5 Front, 710x5 Rear

*See rules page for max wheel widths

15 and up
Factory Briggs Rules for the LO206 engine
CIK Bodywork and Sprint Style Seats Legal Only
NCMP 93 octane track race gas only, must pass tech
See Rules page for more information

 

 

 

 

Briggs LO206 CIK Sportsman

370 lbs

MG Red
460x5 Front, 710x5 Rear

*See rules page for max wheel widths

15 and up
Eligibility - No KRA Race Wins - Final Eligibility Race Directors Decision
Factory Briggs Rules for the LO206 engine
NCMP 93 octane track race gas only, must pass tech
CIK Bodywork and Sprint Style Seats Legal Only
See Rules page for more information

 

 

 

 

Briggs LO206 CIK Masters

370 lbs

MG Red
460x5 Front, 710x5 Rear

*See rules page for max wheel widths

40 years old and up
Factory Briggs Rules for the LO206 engine
NCMP 93 octane track race gas only, must pass tech
CIK Bodywork and Sprint Style Seats Legal Only
See Rules page for more information

 

 

 

 

Briggs LO206 CIK Super Masters

380 lbs

MG Red
460x5 Front, 710x5 Rear

*See rules page for max wheel widths

60 years old and up
Factory Briggs Rules for the LO206 engine
NCMP 93 octane track race gas only, must pass tech
CIK Bodywork and Sprint Style Seats Legal Only
See Rules page for more information

 

 

 

 

Briggs LO206 Junior CIK 1

310 lbs

MG Red
460x5 Front, 710x5 Rear

*See rules page for max wheel widths

12 to 15 years old
Factory Briggs Rules for the LO206 engine
Gold Carb Slide
CIK Bodywork and Sprint Style Seats Legal Only
NCMP 93 octane track race gas only, must pass tech
See Rules page for more information

 

 

 

 

Briggs LO206 Junior CIK 2

310 lbs

MG Red
460x5 Front, 710x5 Rear

*See rules page for max wheel widths

12 to 15 years old
Factory Briggs Rules for the LO206 engine
Gold Carb Slide
CIK Bodywork and Sprint Style Seats Legal Only
NCMP 93 octane track race gas only, must pass tech
See Rules page for more information

 

 

 

 

Briggs LO206 Cadet CIK
GREEN SLIDE

260 lbs

MG Red
460x5

8 to 12 years old
Factory Briggs Rules for the LO206 engine
Green Carb Slide
CIK Bodywork and Sprint Style Seats Legal Only
NCMP track race gas only, must pass tech
See Rules page for more information

 

 

 

 

Briggs LO206 Rookie Cadet CIK
RED SLIDE

245 lbs

 

7 to 10 years old
Factory Briggs Rules for the LO206 engine
Red Carb Slide
CIK Bodywork and Sprint Style Seats Legal Only
NCMP track race gas only, must pass tech
See Rules page for more information

 

 

 

 

Yamaha Masters

*KRA CK4 Exhaust Pipe*

370 lbs

MG Red
460x5 Front, 710x5 Rear

Air Boxes Mandatory
30 years and up
Runs with KRA Specific CK4 Tuned Exhaust Pipe and Header Kit
Link to Pipe Kit at Comet Kart Sales

 

 

 

 

TaG Senior

All Weights listed on the Rules page
SENIOR

MG Red or Yellow
460x5 Front, 710x5 Rear

Air Boxes Mandatory
15 and up
WKA Engine Rules
X30 SKUSA Rules

 

 

 

 

KA100 Junior

320 lbs.

MG Red
460x5 Front, 710x5 Rear

Air Boxes Mandatory
12-15 years old
KA100 SKUSA Engine Rules

 

 

 

 

KA100 Senior

360 lbs.

MG Red
460x5 Front, 710x5 Rear

Air Boxes Mandatory
15 and Up
KA100 SKUSA Engine Rules

 

 

 

 

KA100 Masters

380 lbs.

MG Red
460x5 Front, 710x5 Rear

Air Boxes Mandatory
30 years and Up
KA100 SKUSA Engine Rules

 

 

 

 

125cc Shifter

KZ 410 lbs
Modified Moto 395 lbs
Stock Moto 385 lbs

All engines will compete head to head with weight breaks

MG Red or Yellow 460/710x5

Air Boxes Mandatory
15 and Up
KZ - SKUSA Engine Rules
Stock Moto - SKUSA Engine Rules for S3 Class
RS Intake Boot Legal
Modified Bottom Ends Can Be Ran with Stock Cylinder, Head, Piston and Ignition Box

 

 

 

 

80cc Shifter Senior

375 lbs

MG Red
460x5 Front, 710x5 Rear

Air Boxes Mandatory
15 and Up
KZ80 Homologation Rules

 

 

 

 

80cc Shifter Junior

320 lbs

MG Red
460x5 Front, 710x5 Rear

Air Boxes Mandatory
12 -15 years old
KZ80 Homologation Rules

 

 

 

 

Unlimited (Will Run with Shifter)

Weights and Rules Listed on the Rules Page

MG Red or Yellow
460x5 Front, 710x5 Rear

Air Boxes Mandatory
15 and Up

 

 

 

 

Kid Karts

150 lbs

460x5 MG Red Tires Only

Max Rear Tire Circumference
33"

Class will Qualify and Race
5-7 years old
All Drivers Must Use an SFI Approved Ribvest
The Honda GXH50 will be allowed to run in the class as well.
See Rules page for more information