SuperJet Advice

[JFGJetski]

Currently over the winter i have been rebuliding a superjet I have recived from my father. It was originally my Uncles and he had left it behind a pole barn and let it sit for many winters. It had filled up with water and froze a couple times and had cracked a few engine parts including the crank case. last winter i had helped my dad completly rebulid the engine and it ran great. Because of it sitting with water in its engine bay the foam had become waterloged and over the past winter I had removed the foam and currently i am in the procces of re foaming. when the tray was out i had instaled foot holds and reinforced the hull.

Besides the foot holds everything is stock. Ill be re-turfing the tray this week and need advice what I should do to the engine/ hull for last minute cheap but effective modifications before this upcoming season.

 

[ksarge91]

Use polystyrene foam in the tray and add versiplugs if you haven't already.

Shorten the pole a few inches, upgrade the steering/bars, and put a pipe and prop on it.

 

[JFGJetski]

Use polystyrene foam in the tray and add versiplugs if you haven't already.

Shorten the pole a few inches, upgrade the steering/bars, and put a pipe and prop on it.

Already put marine grade 2 part urethane pour foam in. Also was planing on getting an after market pole later on and the season is starting to close in and still have to finish a little bit of fiberglass work for the tray so i was going to put off shortening the pole for now. Kinda short on money right now and we all know how much factory pipes run for. but definitely in the future ill be looking for one.

 

[Baja 252]

Less expensive mods for a little more power on a stock ski might be; add some aftermarket air cleaners, remove the chokes, add a primer kit, re-jet and have the head milled for 91-93 octane gas. Maybe a new prop or re-pitch.

 

[ksarge91]

x2 on getting the head milled. Any machine shop should be able to do it for pretty cheap.

As far as cheap/free mods go:

Move the ball the steering cable connects to on the nozzle in closer to the nozzle. It's free and will make a noticeable difference.

Can also take one of the screens out of the stock flame arrestor.

 

[Supersquatch]

x2 on getting the head milled. Any machine shop should be able to do it for pretty cheap.

As far as cheap/free mods go:

Move the ball the steering cable connects to on the nozzle in closer to the nozzle. It's free and will make a noticeable difference.

Can also take one of the screens out of the stock flame arrestor.

Anyone have a write up on the nozzle mod? That's a great idea for me also on my SN

 

[ksarge91]

All you have to do is rotate the stator section of the pump so the cooling boss will be on the other side to clear the cable and drill the cable mount hole in closer.

 

[Supersquatch]

All you have to do is rotate the stator section of the pump so the cooling boss will be on the other side to clear the cable and drill the cable mount hole in closer.

Wouldn't it just be stronger too drill the turn plate at the top for the same action? The factory nozzles seem pretty flemsly..thank you for the pic and description!

 

[JFGJetski]

Less expensive mods for a little more power on a stock ski might be; add some aftermarket air cleaners, remove the chokes, add a primer kit, re-jet and have the head milled for 91-93 octane gas. Maybe a new prop or re-pitch.

x2 on getting the head milled. Any machine shop should be able to do it for pretty cheap.

As far as cheap/free mods go:

Move the ball the steering cable connects to on the nozzle in closer to the nozzle. It's free and will make a noticeable difference.

Can also take one of the screens out of the stock flame arrestor.

I have a bridgeport and know how to mill, anyone know the specs to mill the head for premium gas?