Rough, Harsh, and/or Delayed 1-2 Upshift

ROUGH, HARSH, AND/OR DELAYED 1-2 UPSHIFT
1. Improper fluid level.
2. Poor engine performance.
3. Improperly adjusted or damaged throttle linkage.
4. Main control pressure too high.
5. Sticking governor valve.
6. Valve body bolts improperly torqued.
7. Valve body dirty or valves sticking.