Bridgestone YW

Name: Bridgestone YW Kart Tire
Brand: Bridgestone

Wetwet

Updated 2026-03-01

Performance Specs

Grip

Durability

Wet

40-70°F

Temp Range

Heat Cycles

F: 15-17 psiR: 13-15 psi

Pressure

Available Sizes

Position	Size	Rim Diameter	Tread Width
front	10x4.20-5	5"	4.2"
rear	11x6.00-5	5"	6"

Class Compatibility

OK OKJ KZ

Sanctioning bodies: CIK-FIA

Overview

The Bridgestone YW is the official CIK-FIA wet weather tire for Bridgestone-supplied championships. It pairs with the YK race tire and delivers exceptional grip in standing water conditions, benefiting from Bridgestone's rain tire expertise developed in Formula 1.

Ideal For

Wet weather racing in CIK-FIA World and European Championships.

Pros

Best-in-class wet grip
F1 rain tire technology trickle-down
Approved for CIK-FIA World Championships

Cons

Premium pricing
Only available at Bridgestone events
Deteriorates quickly on drying track

Where to Buy

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Frequently Asked Questions

Is the Bridgestone YW legal for OK?

Yes, the Bridgestone YW is approved for use in the following classes: OK, OKJ, KZ.

What pressure should I run the Bridgestone YW at?

Recommended starting pressures for the Bridgestone YW are 15-17 psi (front) and 13-15 psi (rear). Adjust based on ambient temperature and track conditions.

How many heat cycles does the Bridgestone YW last?

The Bridgestone YW typically delivers optimal performance for 3 heat cycles. Performance will gradually degrade after this point.

What temperature range is best for the Bridgestone YW?

The Bridgestone YW performs best when tire surface temperature is between 40°F and 70°F.