A-A-52166 Snowmobiles: Gasoline Engine Driven, CommercialThis commercial item description CID covers four types of commercial gasoline engine driven snowmobiles: moderate speed, high speed, high traction and heavy duty.

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A-A-52166B

III vehicles. When a single front ski is provided, the ski shall be not less than 8 inches in width. When dual skis are provided, their total width shall be not less than 8 inches.

3.2.15 Suspension. The tracks shall use a bogie wheel or slide rail type suspension system with shock absorber(s) on the front ski(s).

3.2.16 Brakes. Brake control system shall be in accordance with SAE J1282.

3.2.17 Towing device. Towing device shall be on the hitch. When specified (see 7.2), a 4-inch rearward hitch extension shall be furnished.

3.2.18 Electrical system. A 12-volt electrical system shall be furnished in accordance with

SAE J277.

3.2.18.1 Lighting system. The snowmobile stop lamp, tail lamp, and headlamp shall be designed in accordance with SAE J278, J279 and J280, respectively. If lights are used on the towed sled, they shall be in accordance with SAE J292. When specified (see 7.2), an electrical connector for towed sled lights in accordance with SAE J292 shall be furnished.

3.2.19 Fuel system capacity and duration. The fuel system capacity shall be not less than

5.4 U.S. gallons and shall be sufficient for not less than 2 hours operation at the speed specified in table III over level terrain with full load, including towed sled. The fuel tank shall be in accordance with SAE J288. The engine shall be capable of operation on regular grade unleaded fuel. When specified (see 7.2), an auxiliary fuel tank shall be furnished.

3.2.19.1 Oil tank capacity. The oil tank capacity shall be not less than enough to go through two full tanks of gasoline at a 40:1 injection ratio.

3.3 Performance. Snowmobile performance requirements shall be met when operated over a nominal 3 inches of loose, dry, powdered snow with terrain grade levels not less than shown in table III. The performance requirements shall be met with the snowmobile loaded under specified load conditions and at speeds listed in table III.