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I have heard of several people doing this over the years , what they have said is that it has better bottom end , it sacrifices a bit on top but is way better on fuel consumption .

All 760's had dual 44's , 62T 701's came with dual 38's

Yes I know that but still I can't see there being that drastic of a difference in power when both were 38 mm carbs , I attribute most of it to taking the reed stuffers out , those just don't work very well in these engines. If you have a 550 reed and want to get some more cheap power , take the...

When I had the 550SX engine in my ski I ran dual 38's with a Hot products manifold and the reed stuffers , I was also able to pick up a Westcoast intake that had the dual acrb bolt patterns and a set of Kehin red 38's , I installed the Westcoast intake , dual Kehins and removed the stuffer, the...

Or just glue the cylinder on with Yamabond, Hondabond, threebond , whatever to lower it even more , we do it on Kawis all the time.

Does any of this matter, obviously to you it does , to the rest of , no not really , most of the guys on here picking this thing apart piece by piece and it looks like that includes you by your statements here are not going to buy one anyway , I commend him for even coming on here answering...

Yep I saw one of the first ones at the Flat water Friday event at Daytona in 2013

Check the AC output voltage on the charge coil , it should be at least 35VAC , I am pretty sure yours is at or near zero volts with zero resistance.

Gardening can get expensive , if you let it, but as the old saying goes , if you are going to be stupid you better be tough, I will add or have deep pockets. This cucumber trellis popped up on my screen this morning and yes looks cool but the price is ridiculous and it's only 48 x 42' , for...

Added a few pics of the ported and polished exhaust manifold , it's opened up about as far as I want to go on a stocker.

You are correct I had a brain fart for a minute there, you are good, give me a break it's Sunday lol.

This is the porting I am running on the motor in my 300SX build , it runs really well with a Coffman pipe , ported and polished exhaust manifold with the exit opened up and a single 44 carb with stock ignition. The porting was professionally done but I am not sure by who , it is not marked...

I have to say this before you get any farther , you are going to be running that Seadoo box in reverse flow from how it is designed to be run, it may work just fine or you may have some issues due to the internal baffling. If you know someone else that's done it like this and it's worked out ok...

Agreed I have bags of those connectors here and I use them all the time , the new Seadoo DESS posts are just wires , you have to add the proper connectors to them , but if the DESS post wires run all the way to the MPEM I am cutting them somewhere upstream and putting in a weatherpack connector...

I also love the weatherpack connectors especially the fuse holders.

I realize they make four stroke engines and parts including new cylinder heads and new engines , I repair Seadoos and Waverunners here daily so I am not as out of touch as you might think. Now if you want to argue this point go right ahead , but the four stroke market is a drop in the bucket...

Why not , PMC did it years ago right before they went belly up , there were some weird things going on such as the stock bore size was .75 oversize from the stock Seadoo bores, I am not sure if the Yamaha engines they made followed suit or not , I never laid hands on one to see. I do still...

If you can't find one I am pretty sure I have several around here .

Why would any of you think that SBT builds engines with a girdled head , lots of negativity in this thread , I see some valid points as far as the filters and water intrusion but that's about it . If you want a ski exactly like you want it build it yourself.

A couple of things , you are correct every Jetinetics flywheel I have seen has four screws holding the magnets in , round holes and those timing marks , also if you will look at the 550 flywheel posted you will see the part number is stamped into the flywheel on the back side, the one on my 650...