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A very simple way to figure the Water Pressure at the Pump Exit Nozzle is to guesstimate the height in feet of the Jetski Pump "Fountain" and divide by 2.3 ft/psi. Xample: Fountain is about 23 ft high, then Exit Nozzle Pressure 'tis about 23ft/2.3ft/psi = 10 psi If the Fountain is about 30 ft...

For GPM, let's grab the Kalkalata again. to do a very rough ballpark guesstimation... Due to direct drive, when the Engine rotates 6000 rpm, the Pump also rotates 6000 rpm (it better! o_O). So need to find amount of Water processed in ONE Revolution and multiply that by rpms to find gpms. Also...

Had done the Calcs before on previous Thread - she gone. Almost all my Posts (1000+) got deleted accidentally ...:( So Pete and Repete... Example: Kawasaki 750 SX: Stock Thrust = 550 lbs and Pump Diameter = 140 mm (the Kaw 750 SX is similar to Pump Size and Engine Power as SJ) Pressure =...

These Wedge-type Rear Sponsons make the Rear End lift and push the Nose down. Will reduce porpoising some. So will Rear Hull Extensions and a Longer RIde Plate. And the most expensive fix is the Pump Setback Modification. https://prowatercraftracing.com/product/superjet-wedge-rear-sponsons/...

Just a Stainless Thru-Hull Pad Eye https://shop.inflatableboatparts.com/product/thru-hull-tow-pad-eye-with-backing-plate-stainless-steel/ https://www.bosunsupplies.com/stainless-steel-pad-eyes/

Isn't that David Redinger?

Might contact Factory Pipe for a repair quote. https://factorypipewatercraft.com/ A new Chamber costs about $300 bucks at Wax Racing https://www.waxracingproducts.com/collections/superjet-exhaust/products/yamaha-chamber-fx1-superjet

To minimize the Whiplash effects of hard landings and high speed spills, the following Exercise Program is strongly recommended for a Wallop-proof Neck. Follow the Science. ;)

Weeks Brothers is working on a one-size-fits-all Plastic Shipping/Storage Protector (Shoe) for Yamaha-based Two Cylinder Blocks, specifically to protect the Sleeve Skirts from chipping or breaking during shipping. This is a Must-Have for those high-dollar Cast Aluminum Nikasil Sleeves on the...

Anybody know why this website is down? https://www.seadooforum.com/

https://www.gofundme.com/f/tyron-motzouris-medical-bills Please verify authencity of the Gofindme Account

I have the Driveshaft and Spline Lengths, but what are the Diameters for: Wave Blaster 1 Driveshaft 62E-45511-00 Diameter= ? SN 650 SuperJet Driveshaft 6R7-45511-01-00 Diameter= ? Are they the same Diameter? Do Splines match? Google Searched everywhere and No Joy. PwcToday was a dud...

If you have Money to burn: How about a Carburetor Service Stand :D Or a Jetski Stand with an integrated Engine Lift o_O

Guys, Lately the Scamming Activity on Our Forum has intensified. A couple of Weeks ago, a Scammer was able to steal $1000 bucks in less than 15 minutes by hacking established Members' Accounts. This is the Pretender Scammer. Pretty Slick. This successful Hit has attracted even more Scams and...

Those who work with Vinylesther Resin and Poyesther Resin, have you noticed a shortage of MEK? A lot of places are sold out or the prices have gone up a bunch. For reference, the Kommander and Bullet Hulls are made with Vinylesther. Mister Ho Hulls are made with Polyesther Resin. I do all my...

Recently chasing a "Miss" and "Stumble" above 2/3 Throttle. Thinking it was Electrical, ohmed Components Cold and Hot, swapped Spark Plugs, CDI and Ignition Coil. Still rode the same, until the Engine died on me in the middle of the Lake. The Engine would start and immediately die. Primed the...

Installs Motor with no Air Leak Down Test, no Compression Test. Just Sends It! :oops: I guess He gapped the Rings :D Will it pass the 10 second Test? :oops: Then He rides the Jetski ALL DAY LONG up and down the River with One Rider, then Two Riders, and then Three Riders! o_O See Minute 2:02...

Mister Ho has done it again :D He literally made Mikuni Parts from Trash and it worked! o_O See Minute 12:43 He did cheat and buy a BRAND NEW OEM YAMAHA REGULATOR DIAPHRAGM :eek: OMG Say it isn't so Mister Ho! :oops: One Guy said "I didn't see pre mix , oil/fuel in the line going to carb ...

See Minute 7:30 :D Also see Mister Ho slam the Dock and keep riding without checking for Bottom damage. How can one Layer of 3 mm PVC Foam and Chopped Mat with Poly Resin handle impact like that? o_O See minute 8:30 :oops: