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HOW TO MAKE A SLOW JETSKI FASTER: GP1800R HIGH OUTPUT GOES 70+ MPH

GreenHulk Garage

46,567 views

Not everyone has the desire to buy a fully loaded supercharged PWC; if you have a naturally aspirated watercraft, it is not hard to make them out perform a stock supercharged PWC. With a few modifications, I had this customers GP1800R High Output accelerating harder and going faster than a new GP1800R SVHO.

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PARTS INSTALLED:

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POWER FILTER KIT: http://www.4-tecperformance.com/index...

INTAKE MANIFOLD UPGRADE: http://www.4-tecperformance.com/index...

SOLAS 11/15 IMPELLER: http://www.4-tecperformance.com/index...

RIVA RIDE PLATE: http://www.4-tecperformance.com/index...

-MAPTUNERX (STAGE 1 8500 AGR TUNE): http://www.4-tecperformance.com/index...

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20 Comments

@montromaximo7726 4 years ago

How can I get my impeller pitched?

@Strangerthingsvehicles 3 years ago (edited)

Really the biggest difference between the 2 as they are both restricted by the coast guard Is acceleration now the SVHO is way quicker on acceleration than a ho

@marcinman9693 7 months ago

These skis might not be as fast as supercharged models but they burn much less fuel and cost way less maintenance and overall are more reliable and will live longer.

@Watercraftshack 3 years ago

Amazing video! Thanks for the info

@shawnspringer1582 4 years ago

Now this is a good video

@jettempus 4 years ago

Thanks for showing what it can do naturally aspirated! Good mod choices.

@jetskiordie3448 4 years ago

few months ago i buy from mr jerry stage 1 kit to my vx hehe so exieted and now i have fulll instruction thx green hulk team

@baghdadmarine 4 years ago

👍👍👍

@mikeprzlomski2092 4 years ago

Wish you were in Wisconsin !

@LifeBeginsOnTheWater 4 years ago

Duck 🦆 Off looks like he traded up for some Eagle 🦅 wings! Great transformation Greg. I bet Jody must be stoked. Great content as well. Thanks for sharing!

Billy D

@TheOriginalSpawn 4 years ago

🔥💯👌🏽

@Lil_Waikz 2 years ago

do a yamaha ex Please

@Mroswaldo16 3 years ago (edited)

& we need someone to do some flow # on all this filters out there.

Should of raced a stock vs this one.

@Mroswaldo16 3 years ago

Yamaha should kept the ho, same name of vx/vxr, i need to look harder for ho or svho now, to see which one is which l

@streetpilot775 3 years ago

I added the ribbon delete and the same air filter for a big improvement. After some exhaust mods, I had to go up 1 degree on the stock impeller with great results. A few teething problems... the air filter actually unscrewed itself and fell off on the first test run lol. I just safety-wired it. Also, the air breather was puking oil on hard left-handers so I re-mounted it up high underneath the front seat bracket. Otherwise, I highly recommend these mods

@duanc2783 3 years ago

Love the info! Getting a new 2023 fx ho next month, what are the initial mods you would suggest. I want a dependable ski, spreed is great but dependability is most important because i want to go touring with it and dont want to kill the gas mileage!!

Thanx again!!

@hdemark5825 4 years ago (edited)

Great video!!! I’d imagine you would get the same results from a VX Cruiser HO? Also, will we see the stage III GP vs the Seadoo anytime soon lol?

@dmp334 4 years ago

Great Video Greg! I have the exact same waverunner color and all,already installed the Riva air intake,may need to go ahead get the impeller and remove spark arrester. Looking forward to mini Mudbug in Apr!