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K
2007 Nitro 189 Sport Tachometer Issue...?
Issue was resolved. Tach was reset by dealer and is now reading perfectly.- Kswan
- Post #2
- Forum: Nitro & Tracker General Forum
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K
Potential Tachometer Issue 2007 Nitro 189 Sport 150 Optimax
The hole shot is actually fairly slow. I brought the boat into a mercury service shop and had the hours checked and Tach looked at. The hour report showed no over revving ever and they were able to reset the Tach and now is reading much closer. I'm seeing about 5600rpm at WOT. Thanks for the...- Kswan
- Post #4
- Forum: Motors & Props
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K
Potential Tachometer Issue 2007 Nitro 189 Sport 150 Optimax
Hello I recently purchased a used 2007 Nitro 189 Sport with a Mercury 150 Optimax. I'm seeing about 56mph with 1/2 tank gas and only me in the boat. It has 21p Laser II prop. The issue is my Tachometer is reading 6400+ rpm. I believe the motor has an over rev alarm but have not heard it. The...- Kswan
- Thread
- Replies: 3
- Forum: Motors & Props
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K
2007 Nitro 189 Sport Tachometer Issue...?
Hello I recently purchased a used 2007 Nitro 189 Sport with a Mercury 150 Optimax. I'm seeing about 56mph with 1/2 tank gas and only me in the boat. It has 21p Laser II prop. The issue is my Tachometer is reading 6400+ rpm. I believe the motor has an over rev alarm but have not heard it. The...- Kswan
- Thread
- Replies: 1
- Forum: Nitro & Tracker General Forum