Not sure what ski you have but stock jetting for a 94 SJ is:
135 main
115 pilot
1.5 n/s
115 (gold)
You can find stock jetting here as well: https://www.yamahapart.com/oemparts/c/yamaha_personal_watercraft/parts
The specs Mike posted will put you in the 50s
Generally stock is super high psi. Lower psi will dump more fuel and make the engine easier to start.