Class
Engine
Age
Weight

Carb/

Restrictor

Kid Kart
Comer 50 / GSX50
5-7
160
N/A
Jr. 1 LO206
LO206
8-12
240
Blue Slide
Jr. 2 LO206
LO206
13-15
310
N/A
Sr. LO206
LO206
16+
370
N/A
LO206 Heavy
LO206
16+
410
N/A
World Formula
World Formula
16+
390
N/A
TAG Cadet
IAME Mini Swift
8-12
235
Tillotson Mod. HW-31A - Unrestricted

Rotax Micro
8-12
220

Rotax Mini
8-12
245

19mm intake, 20.2mm exhaust

restrictor, must run Cadet Chassis


IM 125T
8-12
245

HL334A/HL334AB

Intake 17mm / Exhaust 22mm

TAG Jr.
IAME Leopard
13-15
330

HL334A/HL334AB

Exhaust 30mm Header


Rotax Jr.
13-15
310
N/A

IAME X30
13-15
330

Tillotson HW27A

Exhaust 31mmHeader


PRD
13-15
320

Tillotson 360A

Exhaust 30mmHeader


IM 125T
13-15
330

Tillotson HL334A/HL334AB

Exhaust 30mm Header

TAG Sr.
IAME Leopard
16+
400
Tillotson HL334A/HL334AB

IAME X30
16+
400
Tillotson HW27A

Rotax
16+
400


ROX GP
16+
420
Dell’Orto VHSH Ø 30mm

IM 125T
16+
400
Tillotson HL334A/HL334AB

PRD
16+
370
Tillotson 360A
Shifter
See IKF
16+
385

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2018 Classes

Spokane Kart Racing Association

12402 W. Sprague Ave Airway Heights, WA.