94' 650

most castor oils dont have octane booster

and put washers between the hull and plate last holes maybe 1 set toward the pump to push it down you should be able to get the correct size 1/4"'washers at ace hardware and I would use some loctite on everything just about
 
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Location
ct
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ok so the top 2 are of the water box that is currently or i should say was in the ski it was by passed just to make it straight piped by the owner before me it was way to loud for my liking so i tore everything out to do a few other mods while its out anyone know if its a stock waterbox or an after market if it is stock where do i drill the holes? and the last pic is of a water box that came with it i cant possibly see how this one would work it cleaned up really nice tho haha any help would be great thanks!
 
Location
dfw
Use the stock one, the weight will be needed if you are much over 150lbs. Drilling it just makes more noise.
 
Location
ct
the stock one will work fine with a pipe carbs and possibly boring it out at some point no power gain or loss with variation of water boxes? because i honestly dont care for the noise as long as iv got the power haha
 
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