Rn Superjet mid shaft.

[JAKESPEED]

Will the square nose mid shaft work on my rn build. What parts do not swap from square to rn. Have a bunch of sn parts. I know the elec system can. Do I just change cdi?


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[Roseand]

What year square is it? If it's a 94-95 it'll fit perfectly. Electrics
Will work, if it's a pre 94 square you need to Mod the cdi for a higher Rev limit

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[JAKESPEED]

What year square is it? If it's a 94-95 it'll fit perfectly. Electrics
Will work, if it's a pre 94 square you need to Mod the cdi for a higher Rev limit

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It's a 92 sn thx what other parts will or will not work?


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[Mike W]

Tank, steering cable, throttle cable, on/off switch, pump, motor mounts, straps, rideplate and intake grate will swap over as well. You will need a RN long exhaust hose and RN waterbox though.

 

[rhugo21]

I know people who have ran a square nose waterbox in a round nose as well. Add that to your list

 

[rhugo21]

Send your mid shaft to @JetManiac to rebuild and get it setup for the RN SJ

your driveshaft will fit if it is a pre 08 SJ

 

[schicks]

your cdi will work as well, just has a lower rev limit.

 

[JetManiac]

I know people who have ran a square nose waterbox in a round nose as well. Add that to your list

SN Waterbox is not good for performance, it is restrictive.

 

[rhugo21]

SN Waterbox is not good for performance, it is restrictive.

Good to know. Guess I'll be letting those people know.

I retract my statement don't use that water box!


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[JetManiac]

Good to know. Guess I'll be letting those people know.

I retract my statement don't use that water box!

It will work for a budget build, but they should ditch it as they upgrade. We had a local guy who put in one of our ported 718 motors and it never performed right until he swapped to a RN Waterbox.

 

[JAKESPEED]

It will work for a budget build, but they should ditch it as they upgrade. We had a local guy who put in one of our ported 718 motors and it never performed right until he swapped to a RN Waterbox.

What about aTDR waterbox out of a sn. How will that perform?


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[JetManiac]

What about aTDR waterbox out of a sn. How will that perform?
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Should be fine, just loud.

 

[augustaf]

Since the op is "upgrading" from a s/n to a r/n, - and assuming he's not just doing it for looks- be advised that there is a big performance gain, not because of the hull itself, but because the r/n uses a larger diameter exhaust. You would negate that by using a s/n flavored waterbox!
Further the affiant sayeth not.

 

[FlightPlanDan]

Since the op is "upgrading" from a s/n to a r/n, - and assuming he's not just doing it for looks- be advised that there is a big performance gain, not because of the hull itself, but because the r/n uses a larger diameter exhaust. You would negate that by using a s/n flavored waterbox!
Further the affiant sayeth not.

That's why we love you Fred!
You know stuff.