BULLETIN NO. 22-23-005 DATE: 07/26/2022
TO: ALL ISR Oval and Enduro Affiliates
Subject: Pro Champ -Pro Lite OEM Rotax piston

BULLETIN NO. 22-23-004 DATE: 07/14/2022
TO: ALL ISR Oval Pro Champ 440 and Pro Lite Teams
Subject: Snow deflector TEST provision on outside ski.

BULLETIN NO. 22-23-003 DATE: 07/14/2022
TO: ALL ISR Oval Sprint Affiliates
Subject: ISR is allowing the following modification of the existing Delta 2 boot for the 1999 Rotax model.

BULLETIN NO. 22-23-002 DATE: 07/13/2022
TO: ALL ISR Drag Racing Affiliates
Subject: 850 FACTORY SUPER TRAIL SHOOT OUT FOR HAYDAYS !

BULLETIN NO. 22-23-001 DATE: 07/13/2022
TO: ALL ISR Affiliates
Subject: ISR RACE AND TECH DIRECTORS SCHOOL.

BULLETIN NO. 2021-015 DATE: 12/23/2021
TO: ALL ISR Oval and Enduro Affiliates
Subject: Fuel pump for fuel injected sleds remote from the tank.

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International Snowmobile Racing

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International Snowmobile Racing

Contact Info

International Snowmobile Racing
1527 N Railroad Street.
Eagle River, WI 54521

Office: 262-335-2401
Fax: 715-479-8947