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  #1  
Old 07-06-2010, 04:01 PM
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RiverMC197 RiverMC197 is offline
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Boat: 1997 Mastercraft Prostar 205 LT-1
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Prostar 205 RPM's - LT1

Hi all,

Just curious what my 1997 Prostar 205 LT1 should top out at for RPM's. It has 1:1 and the standard 3-blade prop, and 320 hours. It does around 4500 RPM's with me and one or two other people on the spotters seat which seems pretty normal. Also idles around 500-700 RPM. Does that sound right?

I don't suspect anything wrong but am just curious if I should make any tune-ups.
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  #2  
Old 07-06-2010, 04:09 PM
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RiverMC197 RiverMC197 is offline
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Join Date: Apr 2008
Boat: 1997 Mastercraft Prostar 205 LT-1
Location: Midwest
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Also running in WI, so normal elevation.
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  #3  
Old 07-06-2010, 07:39 PM
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Thrall Thrall is offline
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Boat: '06 X2 MCX
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5000rpms.....
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  #4  
Old 07-07-2010, 11:05 AM
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RiverMC197 RiverMC197 is offline
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Join Date: Apr 2008
Boat: 1997 Mastercraft Prostar 205 LT-1
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Posts: 64
Thanks, what do you think i need to do to get it to run there?
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  #5  
Old 07-07-2010, 11:33 AM
Jorski Jorski is offline
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Boat: 1993 190 with LT1
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smaller pitch prop
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  #6  
Old 07-07-2010, 11:34 AM
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east tx skier east tx skier is offline
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Boat: 1998 Ski Nautique
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What has your maintenance/service schedule been? What has been serviced/replaced recently and what hasn't?
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To me, this forum is about love of inboard boats. It is about the sharing of information and, on a good day, some humor. It is not about post count, brand of boat, or any other superfluous labels that lend themselves to a false sense of superiority. Please, respect one another, try to pass on accurate information, and keep your eye on the ball.
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  #7  
Old 07-07-2010, 12:06 PM
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JLeuck64 JLeuck64 is offline
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Join Date: Jun 2005
Boat: 98 Prostar 190 Stars & Stripes, LT1
Location: Oregon
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Just happen to be going through this same research at the moment...

Dinged a prop last weekend and sent it off to Eric at OJ Propeller to have it straightened. One of the things he wanted to know was top speed and WOT RPM. Since my engine was turning 5200 RPM with that prop he is going to add some cup to bring the RPM back down to 5000.

By the way my operator's manual for the LT-1 says 4200-5000 RPM is the recommended max.
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  #8  
Old 07-07-2010, 12:19 PM
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RiverMC197 RiverMC197 is offline
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Join Date: Apr 2008
Boat: 1997 Mastercraft Prostar 205 LT-1
Location: Midwest
Posts: 64
I just bought the boat and I believe all it has had is oil changes/tranny fluid and impeller changes. It had 290 hours when I bought it in May and now it has about 325 Hours. The guy I bought it from was the original owner since 1997 and did not seem as meticulous as the rest of us, which is why I'm thinking it's all original still.

What kind of upgrades should I make?
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  #9  
Old 07-07-2010, 12:20 PM
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east tx skier east tx skier is offline
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Boat: 1998 Ski Nautique
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Not that any of this will solve the problem, but plugs, wires, clean the flame arrestor for a good start.
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Previous: 1993 Prostar 205

Red 1998 Closed Bow Ski Boat, Ford 351, 310 hp, Acme 4 blade, Perfect Pass SG.

FAQ


Tyler Ski Club


To me, this forum is about love of inboard boats. It is about the sharing of information and, on a good day, some humor. It is not about post count, brand of boat, or any other superfluous labels that lend themselves to a false sense of superiority. Please, respect one another, try to pass on accurate information, and keep your eye on the ball.
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  #10  
Old 07-07-2010, 12:28 PM
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RiverMC197 RiverMC197 is offline
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Join Date: Apr 2008
Boat: 1997 Mastercraft Prostar 205 LT-1
Location: Midwest
Posts: 64
Do LT1's ever need timing adjustments like the TBI engines, or not because of the higher tech ignition system?
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2002 Mastercraft TT 197 LQ9 Powerslot Red/Red
2002 Mastercraft Prostar 209 LTR 1:1 Black/Black
1999 Mastercraft Prostar 190 LTR 1:1 Red/White
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