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Nothing. I've had some fat fuks on my X4 skis before and they sit low as hell but no issues running. This will cause hard starting in the water. Measure the RV clearance and see if its within spec.

The 97+ baffle is supposed to not break as easy as the 96 and prior. I haven’t cut either open to know the difference though. Never heard of an RPM gain. That would come from different water metering.

You can run a ski MPEM but it probably requires rewiring some stuff. I remember someone used to make a conversion harness back in the day.

The 97 box is white vs purple in 96 if it has not been painted.

No. I think the old skis you have to remove the RV cover when removing the carbs.

should be easy with the spark plugs removed. If not, remove jet pump and try again.

Definitely sounds like a bad voltage regular. Unplugging it shouldn't make the ski run worse either. I'm thinking its something electrical going on.

Turning it clockwise is tightening it so it should bottom out and start to spin the crankshaft.

Those look like the ones a guy on these forums made a few years ago. I bought a set but cant remember his name.. RacerX or something maybe?. They are tracker repos I think.

cable "Make sure you have slack in the throttle cable before messing with the idle."

Did you press them to proper depth?

There's a guy in Thailand that's been making them in all different styles. Can't remember his name but you can find him on the X4 racing facebook group. Quite a few people have bought from him. Takes a couple weeks and cost around $300 I think I read.

Also, check the 2 one way valves on the fuel tank vent line and make sure they are working properly.

Fuel pump is on the carb. The baffle is just a pick up. Need to rebuild carbs and replace all fuel lines.

Time to rebuild the fuel system.

I would go WSM over SBT probably. Best bet is to send your OEM crank to a reputable race shop to be rebuilt. There's a ton out there just do your research before sending.

If you are taking about the big black air box then yes you need that or you will need to retune the carbs.

Sounds like a fun project. The RV lines need to be looped and filled with oil like the above post says. If you sheared the brass RV gear, its best to tear down the engine to clean and inspect everything.

What size cylinder base gasket are you running? Whats the squish with no gasket?

The service manual has a wiring diagram..