Bulletins

BULLETIN NO. 17-18-011 DATE: 11/20/2017
TO: ALL ISR Sno Cross Affiliates
Subject: 2018 600RS Ski-Doo Internal cab temperature
BULLETIN NO. 17/18-010 DATE: 11/10/2017
TO: All Oval Affiliates
Subject: Indy 500 trailing arms used in F-500 class
BULLETIN NO. 17-18-009 DATE: 11/01/2017
TO: All Sno Cross Affilaites
Subject: 17-18-009 Body Panel replacement
BULLETIN NO. 17-18-008 DATE: 10/03/2017
TO: ALL ISR Sno Cross Affiliates
Subject: All Stock Sno Cross Gusseting/Reinforcement
BULLETIN NO. 16-17-001 DATE: 01/11/2017
TO: All ISR Sno Cross Afiliates
Subject: Carbon fiber and titanium is prohibited
BULLETIN NO. 15-16-016 DATE: 11/14/2016
TO: All Oval Affiliates
Subject: Champ 440 Class engine rules #7
BULLETIN NO. 15-16-003 DATE: 10/05/2016
TO: All ISR Racing Affiliates
Subject: FOUR-STROKE CLASSIFICATIONS IN SNOW DRAG RACING
BULLETIN NO. 15-16-002 DATE: 10/05/2016
TO: All ISR Racing Affiliates
Subject: Four-stroke classifications in Drag Racing
BULLETIN NO. 15-16-001 DATE: 10/05/2016
TO: All ISR Racing Affiliates
Subject: Four-stroke classifications
BULLETIN NO. 15/16-015 DATE: 08/16/2016
TO: All ISR Racing Affiliates
Subject: 2016 ISR RACE AND TECH DIRECTORS SCHOOLS
BULLETIN NO. 15-16-014 DATE: 07/07/2016
TO: ALL ISR Water Cross Affiliates
Subject: Handlebar Controls on WaterCross sleds.
BULLETIN NO. 15-16-012 DATE: 03/15/2016
TO: All Drag Race Affiliates
Subject: Drag racing minimum ride height clarification.
BULLETIN NO. 15/16-010 DATE: 02/24/2016
TO: ALL ISR Sno Cross and Cross Country Affiliates
Subject: Sno Cross and Cross Country Rules Meeting
BULLETIN NO. 15/16-009 DATE: 02/24/2016
TO: ALL ISR Oval / Enduro / Watercross Affiliates
Subject: Oval / Enduro / WaterCross Rules Meeting
BULLETIN NO. 15-16-011 DATE: 02/24/2016
TO: ALL ISR Youth Racing Affiliates
Subject: Youth / 120 / Kitty Cat Racing Rules Meeting
BULLETIN NO. 15-16-007 DATE: 02/24/2016
TO: ALL ISR Drag Racing Affiliates
Subject: Drag Racing Rules Meeting
BULLETIN NO. 15/16-005 DATE: 01/06/2016
TO: Oval & Enduro Affiliates
Subject: V-Force/Moto Tassinari Pro Lite Ski Suspension and Steering Omission:
BULLETIN NO. 15/16-003 DATE: 10/29/2015
TO: ALL ISR SNO CROSS Affiliates
Subject: Studs are allowed in JUNIOR NOVICE 10 -13 & GIRLS ONLY JR NOVICE 9 -13
BULLETIN NO. 15/16-001 DATE: 09/18/2015
TO: ALL ISR Enduro Affiliates
Subject: Enduro PRO MOD 600 - SEMI PRO MOD 600 - PRO AM ENDURO
BULLETIN NO. 14-15-024 DATE: 08/28/2015
TO: ALL ISR Affiliates
Subject: Appeals Process (Please Read and Have Forms Available At All Events)
Attachments:
Form on track Appeal 2015
Form Race operation Appeal 2015
Form Technical - Equipment Appeal 2015
BULLETIN NO. 14-15-023 DATE: 08/28/2015
TO: All Oval Affiliates
Subject: Sportsman 600 Suspension Rules Update
BULLETIN NO. 14/15-022 DATE: 08/25/2015
TO: ALL ISR DRAG Racing Affiliates
Subject: ISR Drag Racing Fuel Clarification
BULLETIN NO. 14-15-007 DATE: 04/17/2015
TO: ALL ISR Affiliates
Subject: Upper Body Protection That Meets ISR Guidelines added HMK Protective Vest
Attachments:
Tek Vest
Evs
Alpinestars Bionic
Saf Jac
LeattAdultFusion3.0Neck&BodyProtector
LeattYouthFusion2.0Neck&BodyProtector
HMK Protective Vest
BULLETIN NO. 14-15-020 DATE: 02/24/2015
TO: ALL ISR Drag Racing Affiliates
Subject: Drag Racing/ Snow drag From 2013 book, omitted in transferring from text to web format.
Attachments:
MSRF
BULLETIN NO. 14-15-019 DATE: 02/23/2015
TO: ALL ISR Hill Climb Racing Affiliates
Subject: Hillclimb , Mountain Cross Rules Meeting
BULLETIN NO. 14-15-018 DATE: 02/23/2015
TO: ALL ISR Affiliates
Subject: 600 cc Race Snowmobiles will be the format for Junior Novice classes
BULLETIN NO. 14-15-017 DATE: 02/23/2015
TO: ALL ISR Affiliates
Subject: 600 cc race snowmobileswill be the format for Transition classes
BULLETIN NO. 14-15-016 DATE: 02/20/2015
TO: ALL ISR Youth Racing Affiliates
Subject: Max-Torque, Kitty Cat Clutch Blue Spring
BULLETIN NO. 14-15-014 DATE: 02/20/2015
TO: ALL ISR Youth Racing Affiliates
Subject: Youth / 120 / Kitty Cat Racing Rules Meeting
BULLETIN NO. 14-15-012 DATE: 02/20/2015
TO: ALL ISR Drag Racing Affiliates
Subject: Drag Racing Rules Meeting
BULLETIN NO. 14-15-011 DATE: 02/20/2015
TO: ALL ISR Sno Cross and Cross Country Affiliates
Subject: Sno Cross and Cross Country Rules Meeting
BULLETIN NO. 14-15-010 DATE: 02/20/2015
TO: ALL ISR Oval / Enduro / Watercross Affiliates
Subject: Oval / Enduro / WaterCross Rules Meeting
BULLETIN NO. 14/15-009 DATE: 01/08/2015
TO: ALL ISR Affiliates
Subject: V-Force/Moto Tassinari Pro Lite Carburetors
BULLETIN NO. 14-15-008 DATE: 12/19/2014
TO: ALL ISR Affiliates
Subject: 600RS - Rebalancing the Stuffing Blocks of the Crankshaft
Attachments:
BRP WARRANTY BULLETIN
BULLETIN NO. 14/15-006 DATE: 12/10/2014
TO: ALL ISR Affiliates running stock 120 classes
Subject: Rev Limiter information
Attachments:
Rev limiter Identifcation
INSTALLATION WIRING INSTRUCTIONS
BULLETIN NO. 14/15-005 DATE: 11/26/2014
TO: ALL ISR Sno Cross and Cross Country Affiliates
Subject: Ski Trimming
BULLETIN NO. 14/15-004 DATE: 11/06/2014
TO: ALL ISR Affiliates
Subject: ISR / USAC ID number and competitor and Crew Licensing
BULLETIN NO. 14/15-003 DATE: 10/05/2014
TO: All ISR Racing Affiliates
Subject: Four-stroke classifications in Snow Drag Racing
BULLETIN NO. 14/15-002 DATE: 10/05/2014
TO: All ISR Racing Affiliates
Subject: Four-stroke classifications in Drag Racing
BULLETIN NO. 14/14-001 DATE: 10/05/2014
TO: All ISR Racing Affiliates
Subject: Four-stroke classifications
BULLETIN NO. 13/14-024 DATE: 07/30/2014
TO: All ISR Racing Affiliates
Subject: RACE AND TECH DIRECTORS SCHOOL.
BULLETIN NO. 13/14-023 DATE: 07/21/2014
TO: ALL ISR Sno Cross /Water Cross Affiliats
Subject: Sno Cross / Watercross Helmets.
BULLETIN NO. 13/14-022 DATE: 06/25/2014
TO: ALL ISR Drag Racing Affiliates
Subject: Weight Clarification for Pro Mod Classes
BULLETIN NO. 13/14-020 DATE: 03/07/2014
TO: ISR Sno Cross & Youth Racing Affiliates
Subject: Sealing the engine compartment on Arctic Cat Sno Pro 500 model sleds.
BULLETIN NO. 13/14-019 DATE: 02/28/2014
TO: ALL ISR Youth Racing Affiliates
Subject: Youth / 120 / Kitty Cat Racing Rules Meeting
Attachments:
PROPOSED RULES CHANGE form fillable PDF
BULLETIN NO. 13/14-018 DATE: 02/26/2014
TO: ALL ISR Drag Racing Affiliates
Subject: Drag Racing Rules Meeting
Attachments:
PROPOSED RULES CHANGE form fillable PDF
BULLETIN NO. 13/14-017 DATE: 02/26/2014
TO: ALL ISR Sno Cross and Cross Country Affiliates
Subject: Sno Cross and Cross Country Rules Meeting
Attachments:
PROPOSED RULES CHANGE form fillable PDF
BULLETIN NO. 13/14-016 DATE: 02/02/2014
TO: ALL ISR Oval / Enduro / Watercross Affiliates
Subject: Oval / Enduro / WaterCross Rules Meeting
Attachments:
PROPOSED RULES CHANGE form fillable PDF
BULLETIN NO. 13/14 - 015 DATE: 01/23/2014
TO: All ISR Racing Drag Racing Affiliates
Subject: Clarification Bulletin - Drag Racing for All - Four Stroke Stock Sleds
BULLETIN NO. 13/14-014 DATE: 01/16/2014
TO: ALL ISR Affiliates
Subject: 2013/14 120/4 Stroke classe Rule Updates
BULLETIN NO. 13/14-001 DATE: 12/30/2013
TO: Kitty Cat & 120/4 Stroke
Subject: Pro & Semi Pro 206 Replacement Drivers
BULLETIN NO. 13-14-013 DATE: 12/28/2013
TO: ALL ISR Affiliates
Subject: BRP Preheat Holeshot Switch Replacement
Attachments:
Replacement Instructions
BULLETIN NO. 13/14-011 DATE: 12/13/2013
TO: ALL ISR Vintage Oval Affiliates
Subject: Approval of changes to the Vintage Super Mod rules
BULLETIN NO. 13/14-010 DATE: 11/15/2013
TO: ALL ISR Cross Country Affiliates
Subject: 2013/14 Cross Country 600 Pro Open Rules.
BULLETIN NO. 13/14-009 DATE: 11/11/2013
TO: ALL ISR Cross Country Affiliates
Subject: Approved Skis to maintain the legal center to center distance on the Polaris 600R
Attachments:
USI Ice Ski
C & A Ice Ski
Curve Ice Ski
Curve Ice Ski instructions
BULLETIN NO. 13/14-008 DATE: 11/11/2013
TO: All ISR Affiliates
Subject: 2014 600R IQ is a taillight relocation bracket
Attachments:
Polaris Taillight relocation Bracket Kit
BULLETIN NO. 13/14-007 DATE: 11/07/2013
TO: ALL ISR Affiliates
Subject: Every Racer must have an ISR ID number.
Attachments:
Parental Consent Minor's Assumption
Release And Waiver
WI & NY Release and Waiver
BULLETIN NO. 13-14-006 DATE: 10/30/2013
TO: All ISR Oval Sprint Affiliates
Subject: 13-14-006 The ability to trim internal drive lugs
BULLETIN NO. 13-14-005 DATE: 10/29/2013
TO: All Affiliates
Subject: 4-stroke classifications in snow drag racing
BULLETIN NO. 13/14-004 DATE: 09/30/2013
TO: All ISR Racing Affiliates
Subject: RACE DIRECTOR AND TECHNICAL DIRECTORS SCHOOL (New Hotel Location)
BULLETIN NO. 13/14-003 DATE: 09/23/2013
TO: All ISR Racing Affiliates
Subject: Four-stroke classifications in Drag Racing
BULLETIN NO. 13/14-002 DATE: 09/23/2013
TO: All ISR Racing Affiliates
Subject: Four-stroke classifications
BULLETIN NO. 12/13-011 DATE: 02/17/2013
TO: ENDURO AFFILIATES, MANUFACTURERS AND SMDG AFFILIATES
Subject: TAIL LIGHTS
BULLETIN NO. 12/13-009 DATE: 12/26/2012
TO: ALL ISR AFFILIATES
Subject: EQUALIZING THE Y
BULLETIN NO. 12/13-008 DATE: 12/20/2012
TO: Sno Cross Affiliates, Manufacturers & SMDG
Subject: AIR BOX CLARIFICATION
BULLETIN NO. 12/13-007 DATE: 12/12/2012
TO: ISR Oval Affiliates, Manufacturers & SMDG
Subject: RULE BOOK CORRECTIONS
BULLETIN NO. 12/13-006 DATE: 11/30/2012
TO: All ISR Racing Affiliates
Subject: FOUR-STROKE CLASSIFICATIONS IN SNOW DRAG RACING
BULLETIN NO. 12/13-005 DATE: 11/12/2012
TO: Snow Cross Affiliates, Snowmobile Manufacturers and SMDG
Subject: CARON FIBER AND TITANIUM COMPONENTS
BULLETIN NO. 12/13-004 DATE: 09/24/2012
TO: All ISR Racing Affiliates
Subject: RACE DIRECTOR AND TECHNICAL DIRECTORS SCHOOL
BULLETIN NO. 12/13-003 DATE: 09/12/2012
TO: All ISR Racing Affiliates
Subject: Four-stroke classifications in Drag Racing

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International Snowmobile Racing, Inc.

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

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