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Old 01-03-2012, 01:37 PM   #1 (permalink)
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Default JS550 modifications

I had trouble finding modifications for my 550 when i first stared so here is a list of mods I did to my 550 to help people looking!

Stock 550 bottom end
Stock milled head
Jetsport 44mm intake manifold
JRE intake spacer
Mikuni 44mm SBN carburetor jetted
Westcoast waterbox
Chrome header
JRE aluminum flywheel
Jetsport aluminum driveshaft
Billet coupler
Solas 13/16 stainless steel prop
Ocean Pro bored pump reduction nozzle
Westcoast scoop intake grate soon to be R&D aquavein intake grate
Ocean Pro quadrafin rideplate cut to be flush with back of hull
JRE sub plate
JRE quick steer
0 degree handlebars
Jetsport handlebar grips

Best 550 in the world! Unbelievably fun with crazy low end!! Next to come is a JS300/750 conversion that will be capable of backflips!!!
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Old 01-04-2012, 01:47 AM   #2 (permalink)
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That sounds like a fun machine! Maybe post some pictures?
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Old 01-05-2012, 08:50 PM   #3 (permalink)
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I will soon I got to try and get the pictures off my facebook.
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Old 01-07-2012, 04:39 PM   #4 (permalink)
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I was wrong the aluminum flywheel is RAD not JRE and the chrome header is custom, it is a Mariner headpipe and Kerker chamber.
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Old 01-07-2012, 11:48 PM   #5 (permalink)
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You should post some pictures of this thing, I want to check it out!
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Old 01-11-2012, 10:24 PM   #6 (permalink)
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I'm workin on it sorry! It wot let me load pics from my phone for some reason!
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Old 01-12-2012, 04:18 PM   #7 (permalink)
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The engine in this pic isnt the finished one. It doesnt have all the parts on it that are listed but im putting them on right now. I have them all im just in the process of putting them on. In the other pic you can see the stainless steel 13/16 prop and aluminum driveshaft. Its painted ford mustang chrome yellow with red metallic flakes in it and the black panels are ford mustang black with chrome metallic flakes in it.
Attached Thumbnails
JS550 modifications-jet-ski-028.jpg   JS550 modifications-185738_1614315917871_1235509514_31335147_79732_n-1-.jpg   JS550 modifications-206713_1661695502331_1235509514_31395610_532650_n-1-.jpg   JS550 modifications-223079_1689445236057_1235509514_31438668_2700572_n-1-.jpg   JS550 modifications-185738_1614318237929_1235509514_31335157_3123295_n-1-.jpg  

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Old 01-12-2012, 04:21 PM   #8 (permalink)
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here is a pic of the impeller assembly painted black with metallic flakes. it has an ocean pro bored pump nozzle and i will be later getting a bored pump steering nozzle too to go with it.
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Old 01-13-2012, 02:52 AM   #9 (permalink)
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Great job! That is the cleanest js550 I've ever seen!
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Old 01-14-2012, 10:50 AM   #10 (permalink)
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Thanks my dad and i spent all winter last year restoring it and finding parts! A lot of those parts were very hard to find for decent prices and some were rare! I'm also putting a thing called a forced induction bubble chip that goes underneath right before the intake grate! Suppose to add 3-5 mph on rough water and 1-3 mph smooth water!
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