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    Does anyone have any experience from upgrading from a 60T to a 60T-10 Exhaust Ring Joint on a GP1200R?

    Yeah it came in late yesterday and I didn’t get a chance to take measurements or fill each one up with water to get a proper measurement of exactly what the difference is but, I will say it’s an extremely noticeable size difference and the photos from the posting on Greenhulk don’t do it...
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    Does anyone have any experience from upgrading from a 60T to a 60T-10 Exhaust Ring Joint on a GP1200R?

    I will admit the first time I pulled the 1200R it took 6 hours due to the last guy that worked on it using an impact to put nearly every bolt on it. Had to weld off 6 bolts in total due to it but, I’m not too pissed about it as there was a welded SBT crank once I finally got it apart. Looks like...
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    Does anyone have any experience from upgrading from a 60T to a 60T-10 Exhaust Ring Joint on a GP1200R?

    Yeah it just seems like people are full of it tbh when a ride plate and intake grate upgrade barely gives 5mph top speed, per part, it just leads me to believe that someone noticed a difference in sizes in the 1200R and specific 1300Rs and decided to up charge claiming it’s a ‘rare upgrade’ I’m...
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    Does anyone have any experience from upgrading from a 60T to a 60T-10 Exhaust Ring Joint on a GP1200R?

    I have seen a forum thread on greenhulk claiming there’s a 75-100 RPM gain from the upgrade but, I’m curious if anyone has any experience if it’s an actual noticeable upgrade. I’ve managed to pick one up myself for around $50 and the claim of 75-100 extra RPM seems to be from people ‘feeling...
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    2001 GP800R not going over 3000 RPM in the water

    PV cables are 100% correct, this is my 3rd Power Valve ski so got them figured out at this point. Carbs were rebuilt by a local that races skis and pop off checked, in front of me, prior to pickup. These carbs had to get aluminum welded as the idle adjustment screw broke in the mail -cough-...
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    2001 GP800R not going over 3000 RPM in the water

    Yeah it’s what sucks about being in Florida. Personally this GP 800R was manageable the worst one I’ve rebuilt surprisingly wasn’t the rental 800XL but, the 1200R from Mississippi. Before: After: The 717 Seadoo GTI was just as bad. (Engine was seized) Same pistons on the 717 (they...
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    Other Guide: How to rebuild Power Valve Yamaha’s/install Wave Eater Clips

    Since there doesn’t seem to be any knowledge regarding rebuilds on Power Valve skis I figured I’d dump what I have found to work on rebuilding them. To get started I would recommend the following tools: Needle nose pliers - this is to remove the old rubber circular gaskets stuffed into each...
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    2001 GP800R not going over 3000 RPM in the water

    I know this is an extremely late update but, managed to get it working about a month ago, been holding off on this one and have been working on the GP760, 1200R, 717 GTI and 800XL. Turns out one of the power valves was broken and wasn’t actually actuating. Luckily I had wave eater clips but...
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    2001 GP800R not going over 3000 RPM in the water

    Yeah I haven’t ran it in the past week now just in the process of waiting for parts and pulling known working parts off the 800 to troubleshoot the 760 both will be up and running once the parts come in just adding to the list for now
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    First time rebuilding carbs

    Nah your fine as is with those take a steel wool or wire brush with some carb cleaner and clean as much rust off as you can... your spacing on them looks fine as far as rust goes on skis from my experience rebuilding 2 and getting perfect compression. If it’s rusty take some time to wire...
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    GP760x idle issues

    A quick update on this one in the off chance someone else has the same issue it was struggling to pull power as someone sold us a defective stator Pics attached of the damage to the defective stator It also melted bolts holding the stator down and bent the safety brackets a full 90 degrees...
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    2001 GP800R not going over 3000 RPM in the water

    Yeah I had to take apart the whole ski when I bought it and noticed it was missing a power valve b4 I had owned it the previous owner also deleted the fuel cock for whatever reason as well and has some nifty wiring up front to turn off fuel sensor warnings etc
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    2001 GP800R not going over 3000 RPM in the water

    Short video of it revving with no issues (this is with the power valves disconnected)
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    2001 GP800R not going over 3000 RPM in the water

    Alright after dropping it in the water and manually holding the power valves full 1 way full the other way and even holding it in the center yielded the same result as before I’m at a loss with this ski for now about to just give up on her and take it to a local repair shop to try to see if they...
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    2001 GP800R not going over 3000 RPM in the water

    Alright got a chance to disconnect the pv motor last night. When I turn the pv by hand the engine sounds a whole lot better the pv also is loose and turns by hand with ease... I’ll be dropping it in the water sometime later in the upcoming days will keep this updated on the condition in the...
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    2001 GP800R not going over 3000 RPM in the water

    I’m having no issues with rpm over 3000 on the trailer or with the hose attached it only starts limiting rpm in the water the pv motor seems to be working however as the pv motor has a send retract check after the engine is shut off for 3 seconds and the motor properly is working on that check...
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    2001 GP800R not going over 3000 RPM in the water

    Alright I’ve just now gotten a chance to get it back on the water and run some tests and the following has now happened... After replacing the temp sensor with a new one the ski still won’t accelerate over 3000 rpm. I’ve replaced regulator/rectifier on the ski as well thinking it may have been a...
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    2001 GP800R not going over 3000 RPM in the water

    Yep I did all the work on the ski and the temp sensor was the very next piece I was planning on swapping later tonight. I actually have the replacement from another ski in my hand that I was planning on swapping in today as that was my initial thought. I’ll make sure to double check the...
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    2001 GP800R not going over 3000 RPM in the water

    Impeller was already checked as well with no issues discovered there as well.
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    2001 GP800R not going over 3000 RPM in the water

    I have a 2001 GP800R that I recently finished a rebuild on and I’m now facing a issue regarding RPM’s in the water. Carbs are rebuilt and engine was completely taken apart and rebuilt from the ground up with new gaskets, plugs, throttle cable, etc. Everything seems fine on the ski when I’m...
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