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Pitot tubing |
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Jonny Quest 
Grand Poobah 
Joined: August-20-2013 Location: Utah--via Texas Status: Offline Points: 2974 |
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 Topic: Pitot tubingPosted: October-02-2020 at 11:27am |
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That sounds like a clog or partial clog to me. What I have done the past is to remove the Speedo tubing from the speedometer end and then carefully and gently, blow compressed air backwards through the Speedo line back to the pitot pick up. The I buy a GPS speedometer so I don’t have to worry about it...
JQ
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2003 Ski Nautique 206 Limited Previous 2001 Ski Nautique Open Bow 1994 Ski Nautique Open Bow Aqua skiing, ergo sum |
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AlfaDon
Senior Member 
Joined: September-18-2011 Location: San Leandro, Ca Status: Offline Points: 407 |
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Posted: October-01-2020 at 11:59am |
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Hi all,
The speedo's on my 96 176 aren't working very well, specifically they're reading low and take a few minutes to come up at all. I've got new Faria senders at the stern, and have checked the connections at both ends of the tubing. I suspect the tubing is bad, but they're both reading equally low. My old guy tendency is to find natural rubber, but I wonder if vinyl with last longer? Any other suggestions for getting them to be more accurate? They're probably 15 mph low? Thanks, Don
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