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Owosso Kart Speedway - OKS

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Race Day Forecast

Track Status

Green Flag Racing

Winners April 16, 2024

Recent AnnouncementsSee All Announcements
Open Practice 4/27/24
Sat April 27 Open Practice 12:00- 5:00PM (Karts, Motorcycles & Quads)
Posted: Apr 15, 2024
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2024 schedule

OMP 2024 Race schedule

Kart schedule

Sat April 27 Open Practice 12:00- 5:00PM (Karts, Motorcycles & Quads)

Sat May 4th Oping Night Round #1 (North West Ohio UAS)

Sat May 11th Round #2

Sat May 18th Round #3

Sat June 1st Round #4 Purse for Animal & Clone Heavy

Sat June 15th Round #5

Sat July 13th Round #6 (North West Ohio UAS)

Sat July 27th Round #7 Purse for Stock Predator & Blue Plate Predator

Sat Aug 10th Round #8 Purse for Clone Masters 360 & Blue Plate Clone

Sun Aug 11th Round #9 (Double Points) Purse for Small Block Open & P.P Clone

Sat Aug 24th Round #10

Sat Sept 14th Round #11 Purse for Animal & Clone light

Sun Sept 15th Round #12 Year End (Double points)

Sat Sept 21st Year end Make up

Sat. Kart Races- Gates open at 2pm, Practice at 4pm, Racing at 6pm

Sun. Kart Races- Gates open at 8am, Practice at 10am, Racing at 12

Payouts for Adult Money Show are 1st $300 2nd $200 3rd $100 ($35entry fee)

Payouts for Kids Money Show are 1st $200 2nd $100 3rd $50 ($30 entry Fee

AMA District 14 Flat Track Races

Sun May 12th Motorcycle/ Quad (TT Track)

$$Combo Purse $$ 1st $350, 2nd $250, 3rd $200, 4th 150, 5th $100

Sat Aug 3rd Motorcycle/Quad (Short Tack)

Sun Aug 4th Motorcycle/ Quad (TT Track)

Short Track Gates open at Noon, Practice at 5pm, Racing at 7pm

TT Track Gates open at 8am, Practice at Noon, Racing at 2pm

Quad National Races

Fri Aug 30th New East Extreme Dirt Track Championship Series (Short Track)

Sat Aug 31st New East Extreme Dirt Track Championship Series (TT Track)

Sun sept 1st New East Extreme Dirt Track Championship Series (TT Track

Quad Short Track Practice start at 6:30pm Racing to follow

Quad TT Track Practice start at 9am Racing to follow

Quads Friday 2pm-6pm Optional TT Practice

Posted: Apr 15, 2024
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Important Schedule update
*Important schedule update* The Ray Klipper Memorial Race will be September 16th only. No Race on September 17th.
Posted: Aug 22, 2023
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Posted: Apr 4, 2017
Open Class Rules Changes

All Karts must have a muffler

Rotary valve or Reed valve Two-Stroke Cycle Engines

1. Single Cylinder Small Displacement 2-Cycle Engines

  • · Maximum displacement 199cc
  • · Minimum weight 200 lb. plus one pound per cc or fraction of a cc.

2. Single Cylinder Large Displacement 2-Cycle Engines

  • · 200cc to maximum of 275cc maximum displacement allowed.
  • · 200cc to 255cc minimum weight is 400 lbs.
  • · 256cc to 275cc minimum weight is 430 lbs.

3. Multiple Engine 2-Stroke (No common crankcase multiple cylinder engine.)

  • · For engine combinations up to 229cc the minimum weight is 200 lbs. plus one pound per cc or fraction of a cc.
  • · For engine combinations 230cc to 275cc the minimum weight is 430 lbs.

Flat Head Four-Stroke cycle Engine

1. 190 lbs. plus one pound for every 3cc or fraction of a cc. multiple engines or cylinders are permissible.

2. 500cc maximum total displacement with a tolerance of 10cc when checked

Pistion Port Two-Stroke Cycle Engine

1. 130 lbs. plus one pound for each cc or fraction of a cc.

2. Multiple engines or cylinders are Permissible

Overhead Cam (SOHC or DOHC) Four-Stroke Cycle Engine

1. Overhead cam engine or engines, multiple cylinders permitted. 500cc maximum displacement +/- 10cc when checked.

2. Minimum weight as follows; 205 lbs. plus 1 lb. for every 2 cc’s or fraction of a cc. Any engine or combination of engines from 450cc to 500cc are capped at a minimum weight of 430 lbs. unless power adders are used.

Overhead valve (OHV-Push Rod) Four-Stroke cycle Engine

1. 200 lbs. plus one pound for every 2.5cc or fraction of a cc. multiple engines or cylinders are permissible, 500cc maximum total displacement with a tolerance of 10cc when checked.