BULLETIN NO. 19/20-017 DATE: 01/06/2020
TO: ALL ISR Oval /Enduro Racing Affiliates
Subject: Pro Champ & Prolite Clarify all Mikuni round slide carb rules

BULLETIN NO. 19/20-016 DATE: 01/03/2020
TO: ALL ISR Sno Cross Racing Affiliates
Subject: 2020 JUNIOR NOVICE 10-13 AND GIRLS NOVICE 9-12 Updates

BULLETIN NO. 19/20-015 DATE: 01/03/2020
TO: ALL ISR Sno Cross Racing Affiliate
Subject: 2020 Transition Class Updates

BULLETIN NO. 19/20-014 DATE: 12/30/2019
TO: ALL ISR Oval / Vintage Oval /Enduro Racing Affiliates
Subject: Ski Hoop/ Ski Tip Turn up Measurement

BULLETIN NO. 19/20-013 DATE: 12/11/2019
TO: ALL ISR Oval / Enduro Racing Affiliates
Subject: F-III rules clarifications and updates:

BULLETIN NO. 19/20-012 DATE: 10/30/2019
TO: ALL ISR Sno Cross Racing Affiliates
Subject: REVISED Pro ONLY Required snow flap construction

News

View all articles

USAC Claim Form


International Snowmobile Racing, Inc.

Copyright © 2020
International Snowmobile Racing, Inc.

Contact Info

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

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