Use this page only as a general guide.
Please consult the LIKA Rulebook for detailed information.
If you have any questions please contact a LIKA official.
ALL CLASSES USE BRIDGESTONE "C" (YGC, YHC YJC) TIRES, EXCEPT WHERE NOTED
Class Engine

Weight

Age
Kid Kart
4.50/4.50 Tires		 50cc Comer - w/10x89 gear

160

 5 - 7
Timed for starting positions, but NOT scored
Cadet Novice
(formerly Junior novice)
4.50/4.50 Tires
 5 hp Briggs w/0.425purple restrictor

225

 8 - 12
80cc Comer K80

235
Yamaha KT100 with YBX Muffler (3 hole) and 0.600 red restrictor 

235
Yamaha KT100 with YBX Muffler (3 hole) and WA55B carb

235
Cadet
(formerly Junior 1)
4.50/4.50 Tires
 80cc Comer K80

235

 8 - 12
Yamaha KT100 with YBX Muffler (3 hole) and 0.600 red restrictor 

235
Yamaha KT100 with YBX Muffler (3 hole) and WA55B carb

235
Jr Sportsman Novice
4.50/6.00 Tires		 Yamaha KT100 with YBX (3 hole) muffler

280

 12 - 15
May use SSX Muffler if unable to make lower weight by 10 pounds

330
Jr Sportsman
4.50/6.00 Tires		 Yamaha KT100 with YBX (3 hole) muffler

280

 12 - 15
May use SSX Muffler if unable to make lower weight by 10 pounds

330
Sr Sportsman Novice
4.50/7.10 Tires		 5 hp Briggs unrestricted

325

 16 - up
Yamaha KT100 with YBX (3 hole) muffler

350
May use SSX Muffler if unable to make lower weight by 10 pounds

410
Sr Sportsman Heavy
4.50/7.10 Tires		 Yamaha KT100 with SSX (4 hole) muffler

360

 16 - up
Sr Sportsman Masters
4.50/7.10 Tires		 Yamaha KT100 with SSX (4 hole) muffler
 Airbox Required
May be age 18+ with personal weight of 200+ lbs.

390

 35 - up
Super Yamaha Sr
4.50/7.10 Tires

Exhaust must be RLV L2
 Yamaha KT100 (WKA specifications)
Clutch: Required - Any type engine clutch
Exhaust: RLV L2 pipe only
This is a spec class		 16 - up
Weight:
 New Style Cylinder (787 casting)

340
Old Style Cylinder

350
TaG 125
4.50/7.10 Tires
 Stock 125cc electric start engines
TaGUSA Rules apply
(unless LIKA rules state otherwise)

TaG Masters drivers may be age 17+ with personal weight of 200+ lbs.		 16 - up
Engine Jr 12-15 Sr 15-up Masters 35-up
ATK125 - 390 400
Biland Sidewinder 320 - -
Biland Stealth - 370 400
BM Jaguar 320 360 390
Comer - 390 420
CRS 125 - 390 420
Easykart 125 320 360 390
Italsistem ML47H - 370 400
Motori Seven 320 360 400
Parilla Leopard 320 360 390
PCR 125 - 390 400
PRD 320 360 390
Rotax Max FR 125/JR 320 360 390
Sonik TX 125 - 390 420
Sonik VX125 - 390 420
Vortex Rok - - -
Vortex TT 320 360 390
Rotax Mini Max
4.50/4.50 Tires		 Rotax Jr Max(no valve) w/MiniMax exhaust header and intake
restrictior, 13 x 82 gear ratio

265

 9 - 12
Junior Rotax
4.50/7.10 Tires		 Rotax Jr Max(no valve)
YHC & MoJo Tires

320

 12 - 16
Rotax International
4.50/7.10 Tires		 Rotax Max FR 125
YHC & MoJo Tires

365

 16 - up
Rotax Masters
4.50/7.10 Tires		 Rotax Max FR 125
YHC & MoJo Tires
May be age 16+ with personal weight of 190+ lbs. w/race gear w/o helmet

405

 32 - up
4 Cycle Junior I 5 hp Briggs w/ .425 purple restrictor

235

 8 - 12
4 Cycle Junior II 5 hp Briggs unrestricted

300

 12 - 15
4 Cycle Heavy 5 hp Briggs unrestricted

350

 16 - up
125cc Shifter All 125 cc Shifter Karts
   Airbox Required

395

 16 - up
Notes:
4.60 tires are allowed in place of 4.50
SSX = RLV 4 hole exhaust can.
YBX = RLV 3 hole exhaust can.
All 2 Cycle engines must use Gas/Oil Mix Only.
Yamaha KT100S may use old or new style cylinder
Front wheel brakes permitted only in Rotax International, Rotax Masters, and Shifter
Airboxes complying w/WKA section 551 required on all 2 cycle karts, including TaG
CIK homologated plastic rear bumpers permitted instead of steel rear bumpers