Kids Pro Ice Racing

2007-2008 Season

 Junior Novice Racing

Format & General Rules

1. The Junior Novice Division is available to drivers 10 years of age through 14 years of age.
2. If a Junior Novice racer turns 15 during the racing season, he/she may remain in the Junior Novice Division until the end of the season.
3. ONLY DESIGNATED MODELS ARE ELIGIBLE FOR COMPETITION.
4. Snowmobile must have a maximum speed of 40 miles per hour WHILE RACING.
5. A radar gun will be used to monitor the top speed. Any sled exceeding 40 miles per hour will be disqualified. The designated radar gun cannot be protested.
6. Except for JUNIOR I Drag racing and Oval (which are for 12 and 13 year olds), Junior Novice racers must be 14 years of age and comply with all provisions specified in the Junior competition section before advancing to Junior classes.
7. SPECIAL SANCTIONS - Can be any Junior Novice racing event that is not specified but meets established safety standards, applicable laws and approved insurance coverage. All special sanctions and specialty classes must be approved in writing by ISR and the rules committee before competition.
8. While driver is on the course, radio communication between driver and crew is not allowed.

Junior Novice Snowmobile Rules

In stock and 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.

1. All snowmobiles must comply with the GENERAL RULES AND REGULATIONS section and with rules for specific forms of racing. Unless specified in this section, changes allowed in stock class (for the specific form of racing) are allowed in Junior Novice.
2. Unless otherwise specified, the snowmobile must have original OEM (or factory designated replacement) engine, hood, track, skis, frame, cowl, gas tank, carburetion, air box, suspension and variable speed converter supplied by the manufacturer for that particular model.
   1. Factory supplied options are not allowed.
   2. No engine kits allowed.
3. Removal of any material from total machine by means of heat, acid, drilling, grinding, sand blasting, peening, substitution, or total elimination is not allowed unless otherwise specified in this section.

Engine

1. No component of the engine may be altered, changed, reduced or enlarged from the engine manufacturer’s original stock specifications, nor may any additional components be added to the engine.
2. Blueprinting of engines is not allowed. No removal of material whatsoever will be allowed. This is to include polishing, port matching, deburring, glass or sand blasting surfaces or material removal for the purpose of engine balancing or other reasons.
3. Maximum cylinder overbore for wear cannot exceed .020 inches (0.5 mm).
4. Replacement pistons must be stock OEM for the model.
5. There will be no more than one cylinder base gasket to a cylinder. No changes in engine dimensions can be made by gasket adjustments.
6. A maximum of one venturi per cylinder will be allowed. Any exceptions must be approved in writing by ISR.
7. OEM carburetor slide valve and replacement jet components, without modification, will be allowed in all Stock classes. No modification to carb body will be allowed.
8. Engine must retain original cooling concept (fan or free air cooling circuits cannot be modified or removed). Cooling system must remain in the OEM location.
9. Oil injection pump must remain in place and functional. Lines may be removed and plugged. Premix gasoline may be used.
10. The OEM exhaust system for the model must be used in its entirety. Muffler components and/or silencing material must be in tact at all times.
11. Spark plugs do not necessarily have to be OEM equipment in the Stock classes.
12. No additional fuel pumps may be added to the stock carburetors.
13. Throttle may be changed. The throttle must be a direct mechanical thumb mechanism, which must be located on the rear side (toward the rear of the machine) of the right-hand handlebar. Throttle must be thumb operated. Twist grip throttles not allowed.

Drive

1. Primary clutch - any combination of springs, weights, ramps may be used. Clutch weights and springs may be interchangeable between any brand, providing there is no modification to the clutch required to make these components fit. Metal may be removed but not added to ramps or flyweights in the primary clutch.
2. Secondary clutch - helixes may be machined for angle change. No material may be added. No welding will be allowed. Any helix, including billet helixes, allowed. Roller secondary not allowed unless OEM for the model.
3. No machining on the clutches to accommodate springs, weights, helixes.
4. Drive belts do not have to be OEM.
5. Drive chain sprockets may be changed provided that they are options filed by the manufacturer.
6. Mechanical brake system may be replaced with commercially available hydraulic brake components. Structural integrity must be maintained.
7. Brake lever may be modified or changed to accommodate the driver, but must remain on front side of left handlebar and hand operated with a direct mechanical and/or hydraulic operated mechanism. The function of the brake system may not be compromised. The brake lever must not extend beyond the end of the handlebar.

Ski Suspension & Steering

1. Any properly filed OEM spring allowed. Heating of suspension springs allowed. No cutting of suspension springs allowed.
2. Limiter devices allowed to limit travel, but must maintain two (2) inches of travel. No device may be added that stops the suspension from functioning. (No locked suspension.)
3. Any commercially available handle bar allowed. Handle bar extensions will be legal. All ends must be plugged (see diagram in GENERAL RULES AND REGULATIONS section.
4. Any single reservoir shock allowed (no remote or 2-part reservoirs). Any steel springs allowed. Must maintain OEM suspension concept for the model.
5. Sway (torsion) bars allowed. Must be OEM for the model and year or OEM designated for the model and year that is available from the OEM snowmobile manufacturer as a dealer installed option.

Skis & Ski Runners

1. Aftermarket skis allowed. Skis must be commercially available. Ski, ski hoop and ski runner must conform to GENERAL RULES AND REGULATIONS and to Stock Class rules for the type of racing.
2. Skis may be reinforced, but must remain in the original configuration. This reinforcing must be on the upper surface of the ski only.
3. Ski widening devices and/or height adjustment devices are not allowed in Stock unless furnished as OEM and filed properly.

Track Suspension

1. The complete suspension must be used as furnished and filed by the manufacturer. No suspension options allowed.
2. Any properly filed OEM spring allowed. Heating of suspension springs allowed. No cutting of suspension springs allowed.
3. Limiter devices allowed to limit travel, but must maintain two (2) inches of travel. No device may be added that stops the suspension from functioning (no locked suspensions allowed).
4. Shocks must be OEM for the model (except in Snowcross and Hillcross).
5. Gas valving/oil may not be removed from the front shocks on track suspension.
6. OEM for the model marginal snow wheels may be added or removed from the slide rails.
7. OEM for the model rear idler wheels may be added to the rear axle.
8. Slide rail lubrication systems may be allowed based upon sanctioning body rules and state and local laws and regulations.
9. Impulse fitting may be added to crankcase for slide lube system.

Track & Traction

1. Track may not be reversed.
2. OEM track guide clips may be added.
3. In Sno-Cross, Stock class rules apply for track and traction.

Frame & Body

1. OEM windshields for the model or factory options allowed. The windshield may be altered for driver safety and comfort, but must extend five (5) inches above the highest point of the hood. If the original OEM windshield for the model is lower than five (5) inches, it may be used. Windshield must have safety edging.
2. Windshields must be intact at the start of the race.
3. Windshield must remain in OEM mounting location.
4. Removal of stock air vent grills including intake or exhaust is not allowed.
5. No additional venting allowed.
6. Protective taping or screening will be restricted to the external opening only.
7. Seat and fuel tank must remain OEM for the model (seat color optional except that orange is not allowed anywhere on snowmobile).
8. The OEM fuel tank must be the only tank that can be used for fuel. The lubrication tank cannot be used as a fuel tank.

Ignition & Electrical

1. Taillights must be operable.
2. Glass lenses must be taped and remain in place.
3. Stock snowmobiles will be allowed to add or remove tachometers, speedometers, or heat gauges, openings must be closed. Wiring must remain in place.
4. Spark plugs, spark plug wires and connectors do not have to be OEM.
5. Electric start parts including motor, solenoid, battery, battery bracket, wiring, and ring gear may be removed. No machining, cutting or grinding allowed for removal.
6. Data acquisition and data acquisition systems allowed. NOTICE: This rule will be reviewed at the 08 Rules meeting.

Designated Models

Drag, Oval and Ice Lemans

Arctic Cat	Puma/Jag 340 and Z370
Polaris	Indy Lite 340, Indy 340, Indy 340 Deluxe, 340 Edge
Ski Doo	Formula S368, MXZ 380, Freestyle 300 and Tundra 300
Yamaha	Ovation 340

Sno-Cross

1. Stock fan-cooled snowmobiles up to 600cc