National Producer Number definition, categories, type and other relevant information provided by All Acronyms. NPN stands for National Producer Number Search for acronyms, abbreviations,
Height Considerations. There are no height limits for jockeys. However, jockeys tend to be shorter than normal to meet the weight guidelines. The average height for a jockey is between 4 feet 10 inches and 5 feet 6 inches.eight Limits. Depending on specific race and track guidelines, a jockey must weigh between 108 and 118 pounds without clothing and equipment, which can add a significant number of pounds.
WEIGHT LIMITATIONS FOR RIDERS. Hi Julie, Some of my Mom's that ride are overweight. I asked one vet, he said, go with the 20% rule -- a 1000 lb horse can carry 200 pounds. Another vet friend said, it all depends, I'd rather have a 240 lb. guy who can ride, than a lump of mashed potatoes at 180. Hmmmm.