Manufacturers Cup Series

Next Event

Kid Karts

Age: 5-7 (attained)
Numbers: 00-99
Engine: Comer C51 only
Fuel: Spec – 87 Octane
Weight: 150 lbs.
Tires: Vega VAH Red 460-5 – New or used tires can be run (Kid Kart Wheel Diameter 33 ¾ Max)
Gear Ratio: 10/89
Notes: See Section 900 for chassis and bodywork specifications

Micro ROK

Age: 7-10
Numbers: 00-99
Engine: Vortex Micro ROK with manufacturer-supplied restricted exhaust header
Carburetor: Dellorto
Weight: 230 lbs.
Tires: Vega VAH Red 460-5
Notes: Tires must be new to start each event – 1 set per event

Micro Swift

Mini ROK

Mini Swift

F100 Junior

Age: 11-15 (attained)
Numbers: 800-899
Engine: IAME KA100 w/27mm header / Vortex ROK VLR
Carburetor: As supplied by the manufacturer
Weight: 320 lbs.
Tires: Vega XH3 Green 460-5/710-5
Timing: TBD
Notes: (1) Option to use three front and three rears for competition. (2) Tires must be new to start each event.

X30 Junior

Age: 12-15
Numbers: 700-799
Engine: IAME X30 with 26mm exhaust header
Carburetor: As supplied by the manufacturer
Weight: 330 lbs.
Tires: Vega XH3 Green 460-5/710 – 1 set per event
Notes: (1) Airbox required. (2) Minimum exhaust length (as raced) is 16 3⁄4” as measured from the back side of the header flange, around the right side of the header, connector and pipe to the first weld at the end of the divergent cone. new IAME X30 ignition, airbox and main bearings are all improvements to the engine platform, and these will be at the option of the team and competitor for the balance of the 2021. The NGK BR10EG and B10EG spark plug will be allowed for the balance of the 2021 season.

Briggs Cadet 206

Briggs Junior 206

Briggs Senior 206

Kid Kart 206

Age: 5-7
Numbers: TBA
Engine: Briggs and Stratton 206 Engine
Clutch: MaxTorque Part#555727 only
Gear Ratio: 17/57
Exhaust: RLV #5507 Pipe
Carburetor: As supplied by the manufacturer
Slide: Stock Black Junior Slide (Part#555728)
Fuel: Spec – 87 Octane
Weight: Kid Kart Chassis: 800mm Under 200 lbs, kart and driver
Cadet Chassis: 900mm over 215 lbs, kart and driver
Tires: Vega VAH 4.60-5. Max Tire Circumference: 33.75” (at ambient temp.)
Notes: CIK style bodywork and seats only

F100 Senior

Age: 15+
Numbers: 900-999
Engine: IAME KA100 / Vortex ROK VLR
Carburetor: As supplied by the manufacturer
Weight: 360 lbs.
Tires: Vega XH3 Green 460-5/710-5
Timing: TBD
Notes: (1) Option to use three front and three rears for competition. (2) Tires must be new to start each event.

X30 Senior

Age: 15+
Numbers: 300-399
Engine: IAME X30
Carburetor: As supplied by the manufacturer
Weight: 365lbs.
Tires: Vega XH3 Green 460-5/710 – 1 set per event
Notes: (1) Airbox required. (2) Minimum exhaust length (as raced) is 16 3⁄4” as measured from the back side of the header flange, around the right side of the header, connector and pipe to the first weld at the end of the divergent cone. new IAME X30 ignition, airbox and main bearings are all improvements to the engine platform, and these will be at the option of the team and competitor for the balance of the 2021. The NGK BR10EG and B10EG spark plug will be allowed for the balance of the 2021 season.