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Assembly lube will just be 2 stroke oil. For break in just run extra oil in your fuel.

You probably better pull the top end. That went on for a while with no cooling. I bet your rings are blueish and brittle, just waiting to break and wreak havoc next time out. I wouldn't trust it without at least an inspection.

Yes, it will cause little hot spots all over the head which could cause detonation. Replace the domes, have a machine shop recut the domes, or find another head.

Add crank seals to your list. You don't want to re-assemble with old seals.

On my own machines I don't ever put a Yamaha cylinder back on without cleaning up the horrible factory sleeve to port match, it's a disgrace. It makes a noticeable difference in overall power.

I'm sorry but doing something mega stupid like that and then taking a nap sounds like either he was drunk or high. Good thing it wasn't bath salts though, he might have tried to eat you.

Grind out any casting lines or imperfections (basic blueprint). Made a noticeable difference in hookup on my 650sx. I've also done my wife's GP1200 pump and just finished my Seadoo HX pump too (it was the worst).

It's very possible your coil or stator is trying to take a dump on you.

If the Raider is 701 powered then the pump itself will be the same. Driveshaft length and impeller pitch would surely be different.

You can hold the driveshaft with a pipe wrench close to the impeller. It will leave some small marks in the shaft that won't be an issue.

You could also heat the bearings on an electric hotplate.

I took one to about 3.5 myself and IT DID require careful shaving to fit back into the pump. 2* +/- has been just fine for all of them that I've done. After I bend one I always set it on a flat srface with blades marked on the edge every inch. Then use a precision ruler to measure every blade at...

I have used many of these with no problems. http://www.emsglobaldirect.com/home.php?cat=30

When you turn out the low speed screw to clear it up, how many turns out is it then?

You just have to try them. I'm 6'7" and have ridden motorcross bikes and sport quads most of my life. But on the Superjet the straight bars kill my wrists. I prefer some angle.

It shouldn't look like that. Your dealer should be able to send pics to a rep and get something done about it. I would stress that I'm worried about a possible safety issue. What if it starts flaking off leaving sharp edges that could injure someone. "We" don't want a lawsuit on our hands.

You need a GPS with you for testing. GPS the boat, then turn high speed screw out 1/4 turn and GPS again. Is it faster or slower?

Sounds like it could be water in the fuel. Does it always start right back up? Or do you have to choke it and crank a bit to fire it back up?

I'm sort of surprised you didn't warp or fry anything.

Better hook up will be a combination of your intake grate, pump, and impeller. We really need to know your mods(if any) to give a good suggestion.