Isr snowmobile racing rule book

Also to sign up for you isr racing license please click the link below isr license applicant form isr license application rmsha rule book rmsha rule book isr hill climb. The ussa prostar series was founded in 1965 and sanctioned its first event at crandon, wisconsin in december of 1967. Illustrated guide to snowmobile racing paperback november 1, 2006 by linda and david aksomitis author, david aksomitis author 4. Buying a used race sled that is ready to roll can save a ton of time. Hillclimb racing 101 american snowmobiler magazine. Unless otherwise specified in specific isr rules, a snowmobile used in more than one class or. Now with two years in the books, it appears that the rule change has. Improved stock, and mod which all follow the isr rules and sleds must meet isr qualifications 3. These rules are discussed every spring at the isr meeting and voted on by ussa members, of which, the ussa prostar racing series is one. The ussa is the original and the only continuous snowmobile race sanctioning body since organized snowmobile racing began. Big changes are coming to pro open snocross racing for the 201718 season.

Snow drag racing 12 isr snowmobile racing yearbook page specific circuits or classes, but meets snow drag 1. Snowmobiling is a sport that many people have taken on as a serious hobby. The distinguishing mark between the different races is the type of surface on which the participants run. Telephonic race rules conference calls will be followed up with an information letter to. The season will start in middecember and run through early march. Tech director will select the snowmobiles for mandatory teardown and inspection. Sanctioning bodies are governed by international snowmobile racing isr rules. Danicas got snowmobile blood in her, she likes going fast, her mom is an sweetheart, and her dad races an old motoski. Rule supplements there are less than two 2 official entries 1. Usxc cross country snowmobile racing will be 8 to 9 events, a mixture of ditch, lake and woods racing. If you have questions about snowmobile racing rules, please contact the isr. The international snowmobile racing yearbook covers all the current rules and rule changes for all snowmobile racing venues. Big changes are coming to pro open snocross racing for the 201718 season at the isr meeting this past week in bloomington, minn. The first snowmobile races were organized in the mid1960s, in northern.

All snowmobiles including purpose built race sleds will have a serial numbers. The book usually can be purchased through your racing organization, speed shops or directly from isr 2623352401. New rules for the 2021 race season have been put in bold and bigger font general rules drivers must have tether attached when on sled full face helmet required with goggles or face shield. Cor powersports cross country circuit drops isr rule. Also, instead of a pure racing engine these engines will be closer to a production snowmobile engine so used race sleds should be more attractive to nonracing riders when it comes to resale. Stock 120 racing the great northern snocross series conforms to the isr guidelines which means we also meet all isoc rule requirements. I am looking for a copy of the isr rules or there web site address i have looked and i cant find anything on this.

Rule supplements, additions or corrections shall be announced in the official publication, magazines or newsletter. According to isr, the rule change was made with the goal of lowering the costs that they believe inhibit teams from entering the pro open. Isr sets new pro open snocross rules american snowmobiler. The split stems from a 30% insurance premium increase for a policy isr requires its race affiliates to carry. A lot to master success in grass racing requires knowledge in clutching. At the isr meeting this past week in bloomington, minn. Michigan vintage racing, home of vintage world champions, as seen on and other web sites. Number size requirements must still be meet, and the number needs to be. All full mod sleds must have an isr type clutch guard in place vintage mods included. Snowmobile must conform to stock class rules unless stated otherwise in this section.

Isr drag racing rules meeting snowmobile forums, news. Snowmobile racing different types of snowmobile racing. The year 2000 marked the beginning of the fifth decade for the organization. Outlaw this class is a singletrack cockpit style sled, utilizing a full roll cage and. A snowmobile, also known as a motor sled, motor sledge, skimobile, snowscooter, skidoo, or snowmachine, is a motorized vehicle designed for winter travel and recreation on snow. The list of acronyms and abbreviations related to isr international snowmobile racing. The fastest and best run vintage snowmobile racing circuit in michigan. Refer to isr rule book for full set of rules for all classes. The regulations are compromised of definitions and allowable modifications or alterations. Helmets to be worn while on snowmobile track run up stands required no lifting of sleds allowed.

Rules copyright 2018 general rules and regulations driver. Of course, all this could change at the next isr meeting, but for now this is. Rules 20182021 official bevra general rules big extreme vintage racing association, inc. Rule book snowmobiling in weare, nh snowmobile club. Shocked by the cost, the folks at cor read the fine print of the isr rule book and learned they could source and submit their own policy so as long as it. Unless otherwise specified in specific isr rules, a snowmobile used in. We welcome you to come and race with us and enjoy the sport. Another rule change for 2020 world championship snowgoer. Sleds are to be as if they were brand new and just out of the box completely stock. Juniors 1618 years racing in the amateur classes are able to run up to a maximum 900cc. If a definition, modification or alteration is not cited then it is to be construed. The payout will be 50% of the entry fees collected.

Violation of this rule results in mandatory expulsion from the class. World championship moving from champ to formula iii. These rules focus on safety and making the races as fair and competitive as possible. Race class entry fees are non refundable once the first race of the day has started. Rules are as follows must be 40 years of age or older. Rule of thumb, a credit card placed anywhere on the helmet must contact orange, racing suit must have a minimum of 144 square inches of orange on. Please refer to the isr book for full set of rules for all classes.

Rmr adds a new pro am plus 40 class for the 2020 season. The snowmobile oval racing world was recently tipped onto its. This has been brought to my attention because the rules for super stock are not in the isr rulebook for 2018. It is critical that you educate yourselves on the latest isr and rmsha hillclimb rulesclick links below to download and read. The snowmobile can move snow, of course, but also on grass or ice.

Focus, train hard, maintain your equipment, and strive to do your absolute best. Once a snowmobile has completed registration to race it may be inspected at any time. Tether must be attached to a person when sled is running if sled has a tether there will be absolutely no alcohol allowed in racing pits. Snowmobile must be an isr 1204 stroke model that complies with the general rules and regulations section. See all 4 formats and editions hide other formats and. This class is intended for newyoung racers and as a low cost way to begin racing. All racers should be fully aware of the isr regulations pertaining to crosscountry racing as well as the general competition rules listed in the isr rulebook. Isr, and wpsa and milestone moments in sledracing history. The race will be approximately 50 miles and will run with the last semipro race of the day. Sno cross rules international snowmobile racing, inc. Our mission is to promote sportsmanship and friendship through our passion for snowmobiles and racing. Drag racing snow drag from 20 book, omitted in transferring from text to web format. Racing the intent of these classes is to establish races in which all can compete at their level of personal and equipment ability.

Numbers can be displayed on sled tunnel if the number size requirements are meet, and the number is completely viewable to officials. Drivers are required to wear a helmet with a minimum of 50% international blaze orange. All isr sno cross and cross country affiliates subject. But since this is the first year of vintage racing rules in the isr book, you can download them here in pdf form for free. Cptc atv ice bike rules jerry bunke ifs 440x cptc rules the jerry bunke cup will consist of four rounds throughout the weekend. These general rules apply to all types of isr racing sanctions and all. F500 this class is for all adult riders and uses standard f500 rules and regulations. International snowmobile racing 1527 n railroad street. No racer shall consume alcohol prior to operating their snowmobile. Build a practice course, and through isr and rmsha rules before your first race. Regardless of snowmobile equipment passing prior inspections, compliance with the rules must be made at the postrace inspection. Rules cptc follows the isr rule book, available at. Material used inas wheelie bars will not be considered a snow flap.

All racers should be fully aware of the regulations set out in the rule book and should be prepared to abide by them. The ussa prostar racing series uses isr international snowmobile racing rules. The snowmobiles vary significantly depending on their class. The isr rule book spring chart reads closed hgt it should read open hgt instead,the only data you need to worry about when teching is the open hgt and open pressure. The class structure is organized in such a way as to. I will take suggestions on rules for 1 week and forward it to isr. Pro open isr pro stock class carb or efi model sleds isr enduro 600 soo class see usxc rule book, page 21600 cc liquid cooled, chassis and engine mods allowed, max limit of 1050cc on all 4 stroke sleds with chassis and engine mods allowed. Prerace safety inspections are mandatory at all races unless deemed otherwise, by race director. All sleds and safety equipment must meet isr rules. It is designed to be operated on snow and ice and does not require a road or trail, but most are driven on open terrain or trails. Standard race rules marion vintage snowmobile club.

Isrs snowmobileracing yearbook covers all the bases and is a must. The isr requires a rev limiter in all 120 stock class racing. Junior ac arctic cat is the arctic cat only junior division. Vintage snowmobile ice oval racing in michigan, featuring arctic cat, yamaha, polaris, skidoo, scorpion, snojet and many other vintage snowmobiles racing in a safe family orientated fun setting. Unless otherwise specified in specific isr rules, a snowmobile used in more than one class or division must comply with all rules and safety guidelines for each class or division in which it competes.

So email me by sunday march 18 and i will make sure it is passed on to be presented on the agenda at the rules meeting. In the international snowmobile racing isr rules meeting earlier this year, a new pro champ 440 class was created at the request of the. Upon such an announcement the rule changes become effective and enforceable. The ussa prostar racing series uses isr international. If you plan on racing at eagle river or tracks, do consult there rules. Anything manufactured after that will have to race the 1980 and older classes. Note some of our rules differ from isr vintage rules.