Sorry it took me 100 years to respond to this.There was this whole thing about putting a chip in the Ford 7.3 PSD engine. But it seemed to me from reading the threads at Ford-Trucks.com that it could create a non-linear throttle response. And I drive on ice allot, so I was afraid of a kind of turbo effect kicking in and breaking the tires loose, so I never installed a chip.
I have been similarly afraid of adding a pipe to a jet ski engine. So, this statement makes me want to inquire about what you mean @kevbo and @SexPanther:
"The older I get the less I like riding with a good pipe."
If you don’t currently have padding under your water box that could definitely be causing vibration. I slid a chunk of cork and rubber gasket maker under mine and it helped some. I also plan to turf the area so I’ll keep you posted.I had a bad vibration on my Yamasaki.. first thing i did was cut the battery box out on the carb side front corner where one of the bed plate bolts hits it. Helped, but still there. I dented my 650sx pipe with a mallet to clear where it was touching the motor….still there. It’s a lot better but i notice it. It’s just offf idle then clears up. Next thing I’m going to do is remove the all metal super trap water box and turf under and behind it. Hopefully that’s it! If not I’m going to pull my brand new Jetnetics flywheel off and put the stock on back on.
I REALLY hope its the water box!
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Here is how I did mine, its wrapped in turf, wedged with a shaved yoga block, and strapped using a yamaha strap clip and seadoo waterbox strap. Doesn't leave room for a front fuel fill though.If you don’t currently have padding under your water box that could definitely be causing vibration. I slid a chunk of cork and rubber gasket maker under mine and it helped some. I also plan to turf the area so I’ll keep you posted.
Good idea on the dry box placement, I have been trying to figure out where to put one.
I have been really happy with all my wax stuff, well made and reasonably priced.