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- Mon Sep 22, 2025 12:52 pm
- Forum: REPAIRS and MODIFICATIONS
- Topic: Pitot Tube Speedometer Calibration
- Replies: 2
- Views: 376
Pitot Tube Speedometer Calibration
Q1: can a Pitot-tube operated speedometer whose scale calibrations show up to 70-MPH be replaced with a new Pitot-tube speedometer with scale calibrations only up to 50-MPH and accurately show speed through the water while using the original water pickup on a 1987 Yamaha 90-HP engine? BACKSTORY. The...