hellrazer
Reno, NV
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Joined: 01/08/2008
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My question is it worth the money? Do you see improved top end and low end? Is it hard to install? The big Question is it reliable?
Thanks for any input!!!!
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HDYMER
austin
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Joined: 06/20/2008
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i would try to piece mail the pieces together, its alot cheaper than buying the direct kit from riva.......
that kit doesnt do much with the engine so reliability is still there, as long as you've added the metal washers to yor SC you'll be fine
00 GP12R...triple piper...everything but an rxp pump/05 pump/propski mod
03 GP13R...stock...... conversion candidate
00 GP13R...bigbore
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Moabmonkey
Utah
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The clutch washers are recommended for modified engines and are not considered necessary on the RXP til stage III. If you're concerned buy some clutch washers and have the dealer or whomever replace the washers when you do your first preventative maintenance on the supercharger, just remember to replace your shaft/clutch assy at the same time (and the bearings as an upgrade if you felt like it).
The stage I kit was designed to improve your top speed, acceleration and handling but unfortunately I do not know anyone with it installed. I believe you will notice the difference but I do not think it will be a phenomenal gain. More of a question of if you have the $750 lying around to do it (plus install if you cannot perform it yourself).
The only engine mod in stage I is a less restrictive supercharger breather so I would not worry about its effect on your reliability in general. A supercharger is a highly abusable component - it needs to warm up, it needs to cool down and constant pegging of full pressure and an overall lack of proper care are going to shorten its life.
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HDYMER
austin
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HELLRAZER you need to get the SC metal washers before you do anything else, i dont know where monkey is getting his info but those washers are mandatory, i would hate to see your motor get damaged from not installing some cheap washers.....
heres some material from the fastest guy on the water,,, you can listen to him or not but thats up to you.... this is just a "snippet" of the page for rxp owners. but you get the idea.
If you are interested in modifying your ski for more performance and better handling this article will serve to inform you of whats available and hopefully guide you in the direction you want to take in modifying your ski.
Let's start with the basics.
The very first thing you should do to your supercharged watercraft if you have an 07 or older ski is switch the stock ceramic supercharger clutch washers for the special RIVA metal washers that are now on the market. A failure of a ceramic clutch washer can cause many problems and will destroy your oil pumps. If the oil pumps are not checked/replaced after a ceramic washer failure you run high risk of serious engine damage in the future.
A few of the very first things most people do to their skis is install an intake grate, remove the OPAS system (training wheels) and install a Riva finger throttle/wider handlebar kit.
As far as grates go the Riva grate has been proven time and time again to out perform all others and even increases speeds on the higher modified crafts. If you are a rough water rider then the R&D Aquavein intake grate has proven to be the best as it gives better than stock hook up.
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Moabmonkey
Utah
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I had an 04 RXP that is still in the family with zero problems (is everyone going to have the same experiences? No, but it's a fact regardless). I was merely saying that even Riva, who makes the kit we're talking about, doesn't even have it as part of the kit until Stage III. Don't act like the ceramic OEM washers are a disaster waiting to happen because they aren't or they wouldn't still be using them today. You sound like an RXP enthusiast which is great, but have some faith in the company you support. If you need to know where I get some of my information here's a snippet actually worth listening to and it comes straight from Riva: "The factory washers are prone to failure only on MODIFIED engines". There's no need to cause panic or extra expense in a guy who's just casual about modifying his craft. Learn to respond to the questions people are asking and not just throwing out your personal opinions like a bullet because I never said the Riva steel washers were worthless in every respect like you imply in your hasty responses.
I came here to escape people like you on PWCtoday and I have over 7,000 posts there. It's calm and laid back here and not everyone needs a total "gearhead" response.
* This post was
edited 06/25/08 02:20pm by Moabmonkey *
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HDYMER
austin
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Moabmonkey wrote:I had an 04 RXP that is still in the family with zero problems (is everyone going to have the same experiences? No, but it's a fact regardless). I was merely saying that even Riva, who makes the kit we're talking about, doesn't even have it as part of the kit until Stage III. Don't act like the ceramic OEM washers are a disaster waiting to happen because they aren't or they wouldn't still be using them today. You sound like an RXP enthusiast which is great, but have some faith in the company you support. If you need to know where I get some of my information here's a snippet actually worth listening to and it comes straight from Riva: "The factory washers are prone to failure only on MODIFIED engines". There's no need to cause panic or extra expense in a guy who's just casual about modifying his craft. Learn to respond to the questions people are asking and not just throwing out your personal opinions like a bullet because I never said the Riva steel washers were worthless in every respect like you imply in your hasty responses.
haha....you might wanna take a closer look at the boat you own,, it now has metal washers,they dont use ceramic anymore, i dont think they would of changed if it wasnt a problem......reading all what you write i would of assumed you knew what was on the boat you just bought...
its not my personal opinion its the opinion of people who know rxp's... im a GPR guy, but i know my fair share about the rxp...
and if you think changing washers out on the SC is not mandatory then dont do it to your 04, good luck..... but for newbies to the sport, that NEEDS to be the first thing you do,,,,, just like powervalve clips or d-plate on the gpr.... it needs to be done...
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Moabmonkey
Utah
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I apologize, I did not know they replaced the washers yet. I'm not trying to be against you Remy, it just bothers me when people put too much information or non-related information in posts that are outside what the original posters were asking for, which like I said is why I came here from PWCtoday.
I'm a huge enthusiast about PWC's. I'm the type of guy that has memorized years, models, makes, colors of every craft ever built but I'm not an expert when it comes to all motors. Yeah, I have a pretty heavily modified Ultra150 and did all the work but have avoided getting into modifying the engines on my 4-strokes.
What year did they replace the washers and what did they replace them with?
If they are steel now, why would you need to replace them with aftermarket?
Once again, I agree that people that are getting into engine modifications even if they are starting small should look at things like the clutch washers for an RXP, I never felt otherwise. But again, I look at the original poster of this thread as someone who can't even decide if he wants to do stage I, let alone beyond.
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HDYMER
austin
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Moabmonkey wrote:
I came here to escape people like you on PWCtoday and I have over 7,000 posts there. It's calm and laid back here and not everyone needs a total "gearhead" response.
people like me?. that know what there talking about....your not the only guy who knows about PWC......im not here to have a pissing contest with anyone, just to share what i know with others.
pwcyesterday is a joke..... i come on these forums to help people with problems they have and help them avoid problems in the future.. i think they want a gearhead response that tells them the truth, not just whatever it will be ok.. people come on here for info not to "chat" about skis, and hear what people think..... but i wont let you make this guy think he doesnt need washers, thats ridiculous, you dont have them good for you, but dont tell other people they dont need them...
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HDYMER
austin
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Moabmonkey wrote:I apologize, I did not know they replaced the washers yet. I'm not trying to be against you Remy, it just bothers me when people put too much information or non-related information in posts that are outside what the original posters were asking for, which like I said is why I came here from PWCtoday.
I'm a huge enthusiast about PWC's. I'm the type of guy that has memorized years, models, makes, colors of every craft ever built but I'm not an expert when it comes to all motors. Yeah, I have a pretty heavily modified Ultra150 and did all the work but have avoided getting into modifying the engines on my 4-strokes.
What year did they replace the washers and what did they replace them with?
If they are steel now, why would you need to replace them with aftermarket?
Once again, I agree that people that are getting into engine modifications even if they are starting small should look at things like the clutch washers for an RXP, I never felt otherwise. But again, I look at the original poster of this thread as someone who can't even decide if he wants to do stage I, let alone beyond.
its all good, no hard feelings here...
sea-doo only started the metal washers in the new x boats... if you have an 07 or older the washers are ceramic, 08+ the washers are steel, no need to put aftermarket ones in.... i just feel if your gonna do anything to your boat, start with the preventative stuff first, then work on the speed upgrades..
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Moabmonkey
Utah
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I've had many conversations on here just chatting about our passion for the sport. It's a forum for everything and I have had conversations on everything from bank financing and insurance to bad gas and trailers.
Hey, I totally agree if you're going to go full circle on mods that you should replace the ceramic washers if you have them. I just haven't heard of any washers going out on stock boats that are operated properly. If there is a statistic of failure on those washers that are not related to say a premature failure due to an impurtiy then of course I would say replace them. I just haven't heard anything like that, you'd think there would be a recall on something like that. Hell, my Ultra250 has already had 6 recalls for a lot less than that and my RXP-X has already had one too. 
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