Kids Pro Ice Racing
2010 Season
120/4 Stroke Racing Guidelines
The following information was taken from the 2010
ISR
Snowmobile
Racing Yearbook
Once rules are abridged the sanction is no longer in effect.
Official sanctions, Racing Classes and CC Limits
120/4 Racing Class
The intent of these classes is to
establish races in which all can
compete at their level of personal and equipment ability. The
class
structure is organized in such a way as to enable as many snowmobiles
as possible a place to successfully compete.
If class rules are
not followed, the class name shall not be used and the class shall be
run as a specialty class with ISR's prior approval.
Once rules are abridged, the sanction is no longer in effect.
All
120/4 Stroke classes are stock based classes. No change or
modification is allowed unless specifically allowed by these
rules. If
these rules do not specifically allow a change or modification, then it
must be assumed that the change or modification is not
allowed.
Eligible Drivers
There are classes for kids aged 4 through 14. See GENERAL COMPETITION rules for age restrictions.
Eligible Snowmobiles
Arctic Cat Z 120, Z120 Sno Pro
Bombardier Mini Z
Polaris XCR 120
120/4 Circuit Classes
Stock
Improved Stock
Specialty Classes
Champ 120
Speed Limited Sno-cross
Specialty Classes
Can be any 120/4 racing event that
does not fall under
any of the specific circuits or classes, but meets established
ISR safety standards and qualifiesfor ISR insurance coverage.
All speciality classes mus be approved by
ISR and the Race Rules Commitee
Entry Fees, Prizes and Awards
Recommended entry fees in 120/4
Racing
$15.00 in all classes
Recommended Awards
Trophies only
(No Prize Money)
General Competition and Safety Rules
- It is recommended that 120/4 sleds and Kitty Cats not compete against each other.
- In the event that a driver is off his/her sled after an accident involving two or more sleds, the race will be red flagged.
- Driver entry into an event is open to any qualified individual. The sanctioning body has the authority to evaluate all drivers to determine their qualifications.
- A driver must compete for a full year in Stock 120/4 Class or in Kitty Cat racing and be six years of age before competing in any of the other 120/4 classes.
- In Champ classes, drivers must be at least 7 years old and no more than 14 years old. Drivers in Champ classes must have 1 year experience in another 120/4 stroke racing class.
- Notice: Effective 08/09 season, Maximum age for champ classes increases to 14 years of age.
- Both the owner and driver are responsible to ensure that their snowmobile and driver safety equipment conform to all of the rules for the class in which they have entered. The applicable rules are published in this chapter, in the GENERAL RULES AND REGULATIONS section and from time to time, in ISR bulletins. Any driver that does not meet the requirements listed will be subject to disqualification and forfeiture of any prizes or awards, plus eligibility for the next two (2) races.
- Two (2) laps are recommended in heats and five (5) laps in the final heats.
- For restarts, the snowmobiles will arranged in a staggered line at a 45 degree angle to the track starting from left and going to the right.
- Mandatory tech. inspection of first place sleds.
- The Race Director and/or Tech Director have the authority to determine structural integrity.
- While driver is on the course, radio communication between driver and crew is not allowed.
Mandatory Driver Safety Equipment
All Classes
- Helmets
- Upper body protection
- Shin guards
- Above the ankle boots are required in all classes.
- Mouth guard is mandatory in Sno-Cross and any other race over uneven terrain.
General Snowmobile Rules
- (All classes in Sno-cross and Grass Oval) No traction products allowed.
- Guide clips and or track clips may be added to the track.
- Left side of handlebar may be straightened. Structural integrity must be maintained.
- An extension may be added to the left handlebar.
Maximum 3
inches wider, maximum 4 inches down. End must be capped.

- Any separate front and rear bumpers that extend away from the body must be padded.
- In all Oval and Ice Lemans classes, the rear of the tunnel
must be enclosed with material comparable in strength to .063 aluminum
sheet
The tunnel enclosure is required to reduce
the possibility of skis and driver's extremities entering the tunnel
area. The shaded area (see illustration) must be
enclosed. The enclosure shall cover the rear and both sides and extend
forward. The bottom of the enclosure shall
be no higher than one (1) inch above the center of the rear axle. (with
the driver in place). The rear of the enclosure
shall be no further than 2.5 inches for the rear of the
track.(Not required in Snocross)
- In Stock and Improved Stock, Snowmobile performance will be monitored and IKCR Rules committee may adopt rules changes to insure fair competition among the various models.
- All metal ski hoops must be padded.
- Slide rail lubrication systems may be allowed in some classes depending upon local, state, and/or federal laws. If slide rail lubrication is used, it must be non-toxic and biodegradable.
Ignition & Electrical
- A tachometer may be installed.
- Data acquisition and data acquisition systems allowed. Notice: This rule will be reviewed at the 2008 meeting.