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PostPosted: Tue Mar 17, 2015 3:50 pm 
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Location: Austin, TX
My local microbrew bar (literally 1/2mi from house) is releasing at 7pm a small batch of Peanut Butter Hefeweizen. I'm excited!

http://www.bowigens.com/beers.html

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1981 Columbia 8.7
2015 Yamaha FZR - 87mph - sold
2006 Yamaha GP1300R - sold
2003 Chaparral 215 SSI - sold
2009 Stingray 195CS - sold
2000 Four Winns H180 - sold
1976 O'day Daysailer II - sold

Rick's Four Winns H180 Mods/Upgrade Thread


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PostPosted: Fri Mar 20, 2015 9:38 am 
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Location: Austin, TX
Ordered a new intake grate for my GP1300r. The one that came on it was a Riva designed for ocean/choppy water but hurts top speed by a few mph. The previous owner was an ocean rider hence why he had it on. I ordered an R&D Performance intake grate designed for top speed. It will bring my top speed up 2-3mph over my current intake grate. It's only $150 and I'll sell the one I take off on eBay for $50-80. Also the previous owner stripped out one of the bolts in the ride plate so it only has 3 holding it on. Bad. I ordered the repair parts from Yamaha.

I'm doing 66 right now on the GPS which is 1-2mph slow for the other parts I have installed (solas prop, riva air intake, Jim's Performance milled R&D ride plate, D-plate cat removal) but my current intake grate is known to be a speed killer and I can't set the ride plate perfect missing one bolt, huge speed killer. With the new intake grate installed and ride plate bolted in correctly and shimmed I hope to be kissing on 70mph.

Later this spring I'll do some motor work: 5* ignition keyway, fuel controller, mill head down for 93 octane fuel. If I can get it tuned right with all that it should get this 2-stroke around 75mph. If I want to go faster beyond that I'll have to pull the motor and port it. It's possible do 80mph on pump gas, that will be my project for this winter.

BUT for this summer, if I can consistently hover around the 73-75mph mark that beats 100% of everyone I know. The fastest in my group does 72 on a pretty heavy modified Seadoo RXP, the second fastest does 69 on a modified RXP.

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1981 Columbia 8.7
2015 Yamaha FZR - 87mph - sold
2006 Yamaha GP1300R - sold
2003 Chaparral 215 SSI - sold
2009 Stingray 195CS - sold
2000 Four Winns H180 - sold
1976 O'day Daysailer II - sold

Rick's Four Winns H180 Mods/Upgrade Thread


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PostPosted: Fri Mar 20, 2015 9:56 am 
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Location: South Carolina, USA
you may be able to make that happen..

Buddy just ordered a new custom tuned exhaust that is supposed to help his get moving faster still can't break the 85 mark.

im gettting a few things at the office done and then hitting the road after lunch to take the little man to my parents to visit for the weekend

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1993 190 Horizon 5.0L EFI
http://www.smwebhead.com/phpBB3/viewtopic.php?f=3&t=11136
1977 14' CMF Skiff SOLD
2015 Emotion Stealth Angler 11


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PostPosted: Fri Mar 20, 2015 10:22 am 
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Location: Austin, TX
What ski does he have?

I'm also considering just selling mine and buying a "GPRXP" this winter. It's a GP1300r hull (pretty much the lightest/fastest hull ever designed) with a 260hp Seadoo RXP supercharged motor. Bone stock swap it does around 78mph setup right and the ski handles exactly the same as stock it doesn't ruin it one bit. The same basic bolt on parts that put my friend's RXP around 72mph makes a GPRXP do around 85. Upgrade the supercharger, intercooler, fuel controller... they do 90+.

There's always one or two for sale around here for 5-6k depending on how much aftermarket parts it has. Also gets better fuel consumption. It's the perfect jet ski.

_________________
1981 Columbia 8.7
2015 Yamaha FZR - 87mph - sold
2006 Yamaha GP1300R - sold
2003 Chaparral 215 SSI - sold
2009 Stingray 195CS - sold
2000 Four Winns H180 - sold
1976 O'day Daysailer II - sold

Rick's Four Winns H180 Mods/Upgrade Thread


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PostPosted: Fri Mar 20, 2015 5:27 pm 
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Joined: Fri Jul 27, 2012 11:17 pm
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Location: Melbourne, Australia
Down here, it's usually the overweight, balding middle-aged men who do PWC speed runs up & down the beach.

<In Greek accent>
"Mate, my RXP-X now does 73, bro! I can go really, really fast & then stop - and then go really, really fast again & then stop. It's siiiick!"

Douchebags.

/rant.

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2011 Four Winns H180 SS.
Aussie built Mustang 2800.
SOLD - 1997 Four Winns Horizon RS


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PostPosted: Fri Mar 20, 2015 7:37 pm 
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Location: Austin, TX
Hydrodrags are huge here in FL. People take their skiis serious.

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1981 Columbia 8.7
2015 Yamaha FZR - 87mph - sold
2006 Yamaha GP1300R - sold
2003 Chaparral 215 SSI - sold
2009 Stingray 195CS - sold
2000 Four Winns H180 - sold
1976 O'day Daysailer II - sold

Rick's Four Winns H180 Mods/Upgrade Thread


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PostPosted: Sat Mar 21, 2015 8:56 am 
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Posts: 2032
Location: West Palm Beach, FL
deafwish wrote:
Down here, it's usually the overweight, balding middle-aged men who do PWC speed runs up & down the beach.

<In Greek accent>
"Mate, my RXP-X now does 73, bro! I can go really, really fast & then stop - and then go really, really fast again & then stop. It's siiiick!"

Douchebags.

/rant.

:lol: LOL. That's how it is here too!
(Just change the accent, change Mate to Bud, Change bro to bra, change siiick to siiiick)

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"Knot Easy" 2000 Horizon 240 Volvo 5.7GS /SX
tow: 2017 Honda PILOT EXL-AWD
prev. boats:
'87 Chaparral 198CXL 4.3 OMC Cobra
'69 Jetstar 16ft Ski Boat, 115hp Yamaha
'68 Aluminum Jon Boat, 3hp Sears
'64 Water Wings


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PostPosted: Sun Mar 22, 2015 7:39 pm 
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Location: Cape Cod, MA
ric wrote:
My local microbrew bar (literally 1/2mi from house) is releasing at 7pm a small batch of Peanut Butter Hefeweizen. I'm excited!

http://www.bowigens.com/beers.html

Ric, how was it? I recently brewed a dunkelweizen, and will be brewing another batch of it next weekend as well as my staple IPA recipe.

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1988 215 Sundowner 5.7L OMC

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PostPosted: Sun Mar 22, 2015 8:31 pm 
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Location: Melbourne, Australia
ric wrote:
Hydrodrags are huge here in FL. People take their skiis serious.


If you remember back to your Schooling years, your Chess Club colleagues took that pretty seriously, too.

...Still doesn't make it cool! :P :wink:

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2011 Four Winns H180 SS.
Aussie built Mustang 2800.
SOLD - 1997 Four Winns Horizon RS


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PostPosted: Sun Mar 22, 2015 9:12 pm 
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Joined: Thu Feb 27, 2014 4:04 am
Posts: 219
Location: Melbourne Australia
deafwish wrote:
Down here, it's usually the overweight, balding middle-aged men who do PWC speed runs up & down the beach.

<In Greek accent>
"Mate, my RXP-X now does 73, bro! I can go really, really fast & then stop - and then go really, really fast again & then stop. It's siiiick!"

Douchebags.

/rant.


PMSL!!!!

Sounds like Rosebud on Port Philip bay on a Sunday!!! but then they are either too fat to climb back on the ski when it rolls over or my personal favourite.. Last summer I picked up a young guy and his girlfriend in the bay after they fell off... he looked like he spent 3 hours a day in the gym, complete with spray tan.. but neither could swim, thank God for lifejackets!

I had a run on a Jet Ski last week and had a blast, good fun! "Fully Siick bro" ( Still not interested in buying one but can see the attraction)

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Mark
Melbourne
Australia

Boats:
Current: 2004 FW 190
2001 Mastercraft X5
1998 Malibu Response
1999 Sea Ray 180
17 ft Scimitar Barefoot (200hp Yamaha)
16ft Scimitar Ski (Yamaha 115)
1988 Ski Nautique ( Called Ski Antique)


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PostPosted: Mon Mar 23, 2015 9:24 am 
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Location: South Carolina, USA
ric wrote:
What ski does he have?

I'm also considering just selling mine and buying a "GPRXP" this winter. It's a GP1300r hull (pretty much the lightest/fastest hull ever designed) with a 260hp Seadoo RXP supercharged motor. Bone stock swap it does around 78mph setup right and the ski handles exactly the same as stock it doesn't ruin it one bit. The same basic bolt on parts that put my friend's RXP around 72mph makes a GPRXP do around 85. Upgrade the supercharger, intercooler, fuel controller... they do 90+.

There's always one or two for sale around here for 5-6k depending on how much aftermarket parts it has. Also gets better fuel consumption. It's the perfect jet ski.



yam GP 1200R BIG bore to 1390, and a long list of parts. and runs 102VP, the hull has been modified, and has all the goodies and a flow design ride plate he designed and milled. custom impeller. also he is 140# yea it goes decent. no clue what he has into it. looks bone ass stock kind beat up graphics (sleeper style cosmetics) and a shark skin seat that is it. all the GO GO is hidden..

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Not Penny's Boat
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1993 190 Horizon 5.0L EFI
http://www.smwebhead.com/phpBB3/viewtopic.php?f=3&t=11136
1977 14' CMF Skiff SOLD
2015 Emotion Stealth Angler 11


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PostPosted: Mon Mar 23, 2015 1:39 pm 
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Location: Austin, TX
All that hard work and tens of thousands of dollars in his ski and now a days anyone with 6 grand can buy a GPRXP with an upgraded intercooler and supercharger that runs 85mph on 91 octane.

_________________
1981 Columbia 8.7
2015 Yamaha FZR - 87mph - sold
2006 Yamaha GP1300R - sold
2003 Chaparral 215 SSI - sold
2009 Stingray 195CS - sold
2000 Four Winns H180 - sold
1976 O'day Daysailer II - sold

Rick's Four Winns H180 Mods/Upgrade Thread


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PostPosted: Mon Mar 23, 2015 2:40 pm 
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yea well he has had this since new. it has been fast for multiple years.

people know the GPRXP is fast. people over look this when you have some cash on a beach race.

_________________
Not Penny's Boat
Image
1993 190 Horizon 5.0L EFI
http://www.smwebhead.com/phpBB3/viewtopic.php?f=3&t=11136
1977 14' CMF Skiff SOLD
2015 Emotion Stealth Angler 11


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PostPosted: Tue Mar 24, 2015 7:02 am 
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Location: Austin, TX
I was doing a lot of reading about skis, the ticket now a days is the "GPRSHO" swap. Yamaha 1800cc supercharged SHO motor in the GP1xxxr hull. Apparently bolts right in with about 15 minutes of hull modifications. Low 80's bone stock with Yamaha reliability. Guys slap on GT30r turbos on them and do well over 100 (Dynoing at 450bhp).

The RXP swap is cheap speed, but it's cheap speed. The RXP motor is not known for it's reliability.

_________________
1981 Columbia 8.7
2015 Yamaha FZR - 87mph - sold
2006 Yamaha GP1300R - sold
2003 Chaparral 215 SSI - sold
2009 Stingray 195CS - sold
2000 Four Winns H180 - sold
1976 O'day Daysailer II - sold

Rick's Four Winns H180 Mods/Upgrade Thread


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PostPosted: Tue Mar 24, 2015 10:31 am 
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Location: Austin, TX
Ordered more go fast parts for the ski, a 2 degree pump wedge. I'm going to disassemble the entire pump inlet section and make sure it's correct on specs. It's supposed to be .070 recessed in the hull. If it sticks out any it will slow the ski down a couple mph. The previous owner was a retard so chances are it's wrong.

If I can get this hull dialed in correctly I should be able to hit 70mph on the GPS next time I go out.

_________________
1981 Columbia 8.7
2015 Yamaha FZR - 87mph - sold
2006 Yamaha GP1300R - sold
2003 Chaparral 215 SSI - sold
2009 Stingray 195CS - sold
2000 Four Winns H180 - sold
1976 O'day Daysailer II - sold

Rick's Four Winns H180 Mods/Upgrade Thread


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