This SAE Recommended Practice is intended to provide minimum requirement and performance criteria for devices intended to prevent snowmobile runaway due to malfunction of the speed control system.
The changes incorporated into the J 1222 document are mostly from observations made from conducting the test and lessons learned. Safety issues have also been addressed by some of the changes. 5.1.4 Test explanation, simplification. 188.8.131.52 & 184.108.40.206, experience has shown these two scenarios, will cover most all of the situations encountered in years of snowmobile operation and in conducting this test. 5.2.6 Safety related 5.3.4 Safety related 5.3.5 Clarification for conducting the test procedure.