SAE J1038:2020 pdf free

SAE J1038:2020 pdf free.Recommendations for Children’s Snowmobile
Power-driven parts of the engine, clutch, and drive system, with the exception of the vehicle track and sprocket systems adjacent to the track, shall be isolated by consoles, shields, or guards of sufficient size, shape, and configuration so as to prevent their physical contact with the occupant, bystanders, or any loose clothing worn by the occupant or bystanders during normal use of the vehicle with all consoles, shields, and guards in position and with the hood closed.
Shields and guards shall protect the occupant or bystanders in the case of failure of those parts of the drive train known as belts, gears, and chains should a part or parts be ejected from said components or in the case of breakage of such belts or chains as employed.
Shields and guards shall prevent inadvertent contact by the occupant with any exposed components at a temperature above 66 °C during normal operation of the vehicle with all consoles, guards, and shields in position and the engine hood closed.
A device shall be incorporated such that upon opening of the hood, ignition to the engine is interrupted. The ignition shall remain interrupted untill manually reinstated.
As concerns centrifugal clutches, drive pulleys, driven pulleys, torque converters, or similar mechanisms, said components shall withstand being spun about their axis of rotation at an rpm equal to 1.5 times the maximum horsepower rpm of the prime mover and times any effective drive ratio.” This rpm shall be maintained for 2 minutes.
At least one white headlight shall be positioned not less than 381 mm above the ground surface and shall provide a beam that complies with the minimum photometric candlepower requirements set out in Table 1 when tested in accordance with SAE J280.
The mechanism that controls the power delivered by the engine shall incorporate a device for automatically stopping the engine in the event of a malfunction of the mechanism or a tether switch that complies with the requirements of both SAE J1222 and SAE J68. For dynamic tests, operate snowmobile at fully actuated throttle.SAE J1038 pdf free download.