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Old 06-15-2012, 10:07 PM
Willvt1 Willvt1 is offline
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Join Date: May 2012
Boat: 2007 X80
Location: Northeast
Posts: 1
Engine tach gauges

Hello,
I am a newbie to Mastercraft, had Malibu's and Nautiques in the past. Very excited, just bought a 2007 X80 STS. Twin 350 indmar. Ran it today and starboard check engine indicator came on, no alarm, just indicator. At 40 mph the port engine was reading 4300rpm, and the starboard engine was reading 2900rpm. Engines temps were equal at 160. I noticed a slight hesitation in acceleration while planning at 35 mph.
Any thoughts?
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  #2  
Old 06-17-2012, 01:00 AM
gstringlover gstringlover is offline
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Join Date: May 2008
Boat: 05 xstar 8.1 swap
Location: midwest
Posts: 19
could be many things,,, get the boat scanned , check for codes, read data on datastream,,, that will help u break it down fron there
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  #3  
Old 06-20-2012, 03:03 AM
osbornda osbornda is offline
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Join Date: Dec 2011
Boat: 2005 X-80
Location: Hawaii
Posts: 42
Quote:
Originally Posted by Willvt1 View Post
Hello,
I am a newbie to Mastercraft, had Malibu's and Nautiques in the past. Very excited, just bought a 2007 X80 STS. Twin 350 indmar. Ran it today and starboard check engine indicator came on, no alarm, just indicator. At 40 mph the port engine was reading 4300rpm, and the starboard engine was reading 2900rpm. Engines temps were equal at 160. I noticed a slight hesitation in acceleration while planning at 35 mph.
Any thoughts?
I have an X80 with the same issue....possibly the MMDC boxes I was told...all my gauges work...less both tachs and speedo...I live in Hawaii with no dealer so troubleshooting is my issue...rinda diagnostic pulls no code at ECM...
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Darrell
Osbornda@gmail.com
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