What size is the stock main jet for a 2004 ktm sx 85?

The stock main jet for a 2004 KTM SX 85 is typically a size 108. However, jetting can vary based on factors like altitude, temperature, and individual modifications, so it's advisable to check the bike's manual or consult a professional for the best performance. Always consider that tuning may be necessary for optimal performance in different riding conditions.