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Old 09-04-2012, 09:43 PM
992envy 992envy is offline
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Join Date: Feb 2011
Boat: 2009 Mastercraft X-Star
Location: West coast
Posts: 46
09 Mastercraft X-Star HELP ... Tranny/ V-Drive

I have a 2009 Xstar with the LY6 400 motor. I have had it for 2 years now, I purchased the boat with 40 hours and it now has 160 hours on it. I have all service done @ Mastercraft dealership, and always do what they recommended or what needs to be serviced. The boat has been amazing with zero problems.

This weekend we were on the lake, I had just put the boat in the water and filled a 900 pound sac on the drivers side rear locker pad. We were surfing for about 1 hour with 5 people in the boat. As I came back slowly to pick up the rider I put the boat in Neutral and talked to the rider for a while, I went to put the boat in reverse it made a horrible grinding sound and didn't ingage. We were pretty much at a complete stop when I shifted into reverse. I immideatly shut the boat off. I let it sit while I checked the fluid level of the 15/40 motor oil for the tranny, it was full, clean and didn't smell burned at all.

At this point I emtied the sac and put it away allowing the boat to sit for a while. I started the boat and tried shifting into into gear to move forward, it made the grinding sound and then went into gear after the grinding sound for a couple seconds, once it was in gear and engaged everything sounded totally normal, we were able to adjust speed from very slowing moving to increased speed and drove back to where my anchor was stationed. I left it for the evening and checked it out again in the am. Once again, tranny oil was clean, didn't smell burned and was full. This time it wouldn't not engage into gear. It would only make the girding sound.

As we were pulled back to the dock with the boat in neutral, it made the grinding sound the entire way. Any ideas? I looked at my warranty and it states it is warrantied for 3 years, that means it would have just expired any suggestions? Should I contact Mastercraft directly? My dealer has been less than helpful in the past having things warrantied that I have had problems with.

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Old 09-05-2012, 03:17 PM
willyt's Avatar
willyt willyt is offline
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Join Date: May 2009
Boat: ER xstar
Location: high in the middle and round on both ends
Posts: 2,683
sounds like you might want to check your V drive fluid
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Old 09-05-2012, 03:21 PM
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76S&S 76S&S is offline
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Join Date: Jun 2007
Boat: 2002 X Star
Location: Lake Tuscaloosa, AL
Posts: 2,355
Originally Posted by willyt View Post
sounds like you might want to check your V drive fluid
Looks like he did that...

I let it sit while I checked the fluid level of the 15/40 motor oil for the tranny

Sorry, I don't have any suggestions, hopefully someone will come along shortly with advice.
Being on the water is best, but when I'm not on the water I'm on TT.

2002 X Star
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Old 09-05-2012, 06:57 PM
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TOO-TALL TOO-TALL is offline
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Join Date: Jan 2006
Boat: Mastercraft X2 2003 mcx
Location: Kankakee,IL
Posts: 1,681
sounds like your damper plate is broken,
"Hey baby want to make fourteen dollars the hard way?"--Rondhey Dangerfeild-Caddy Shack.

"Was it over when the German's bombed pearl harbor ?"
---Animal house
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Old 09-05-2012, 07:23 PM
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MIskier MIskier is offline
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Join Date: Jan 2011
Boat: 2006 PS 190 w/ mini tower
Location: S.W Floarida
Posts: 625
Check that the at the transmission that the throttle is fully engaging the transmission. The cable may need to be adjusted.
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