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Ok, finally got around to doing some further investigation. First, disregard my prior post to this about the ground cable terminating at the E-box. It does indeed connect to the bottom of the block from the battery. I unscrewed it at the block to check the condition of the ground terminal. It...

Finally getting around to verifying wiring connections I should have done long ago. I followed the ground wire from the battery and to my surprise it terminates at the e-box and not the block. Where is this ground strap you speak of at the front of the motor? I have the airbox removed for...

Got the siphon tubes installed yesterday which fixed the elbows pissing inside the hull. Now, I think I have an electrical issue. The ski is running worse than it ever has, and now has a hard time cruising above even 3500 RPM. Yesterday, it was able to sustain ~5000 RPM for a quarter mile...

Thanks guys. I'll use a touch of epoxy just to ensure they don't go anywhere

UPDATE: Apparently BRP forgot to list this part for the XP in their 1999 catalog, but starting in 2000, it's included. Part number is 271001133 which looks like the easier of the two versions to source. What is the recommended way to adhere these into the pump? Marine epoxy? Silicone? I...

Got to my ski last night and confirmed I am indeed missing the white siphon tubes. No surprise since the guy who "rebuilt" this ski and my SPX's pumps is a joke and there are numerous parts he left out. Add one more to the list. I also confirmed the location of my MPEM which thankfully is not...

Interesting thought. I'll need to verify when I'm at the ski again. I know my CDI box is in the starboard-side of the bow, pretty low down, but I don't believe the MPEM is in this housing. I also remember reading about SeaDoo plugging those two inlets at the bow. I believe they did that...

The carbs still have the Venom rebuilds. The fuel pump was rebuilt with genuine Mikuni, ensuring I had the check valves oriented correctly. I really don't think it's a carburetion problem though. The ski ran like a bat out of hell for a good 30 mins once I solved the fuel starvation issue from...

Can anybody assist with a part # on these siphon tubes? I'm seeing there are both short and long ones for a 155 pump. Short = 271001133 I cannot find the long version part # and am unclear on which one the XPL takes.

I have not reached a conclusion yet. I've tested every component individually in the fuel system and everything checks out (including hooking the fuel pickup directly to the carb and bypassing the filter and selector switch, which did not improve anything). I know for a fact I did have a...

Thanks for the help, guys. I cannot verify for certain since this ski is at my parents' place right now, but I believe I am missing those. Anyone have a part #? I do not see them in the diagram above.

Correct, one of the plugs had a drop of water in between the gap. And also, a little water in the airbox. It was never enough for me to think it could cause an issue, but now I'm not sure. My CDI box is properly sealed and I just verified it's completely dry inside. Got it - I figured that...

Victory on this one was short-lived. My friend and I were able to log maybe 30 mins of trouble-free riding before the issue reared its ugly head again. For those 30 mins, it was running like a top. Zero issues at all. My buddy claims he submerged the bow in a wave, came back up, had another...

Thanks dude! I'll give that a go.

Thanks - good to know about the WSM part. I could only find aftermarket ones for this ski and learned my lesson on that on my '95 XP. I'm gonna run the used one for now but will keep that in mind. Cool! I will adjust the trim up a little. Makes sense to get as much hull above the water as...

Shit, so I didn't cut into the old one far enough? I was worried that hard part under the rubber was the pump.

Trying to remove the wear ring on a '95 XP and it's being difficult. The one in my pump is a soft rubbery material and not a hard plastic. In all the removal videos I've watched, they come out fairly easily once you collapse it on itself and no residue is left. This one is literally adhered to...

Figured as much. Thanks for confirming

Trying to get a fuel level reading on a '95 XP. Unsurprisingly, my ohm meter read 1 when initially testing the plug. I pulled the baffle and cut into it to check the F1 fuse. It appeared to be intact, but I still soldered it just in case. My Ohm reading is still no different than before the...

I finally reached a conclusion on this and the issue is now fixed. I did install a genuine Mikuni fuel pump rebuild kit, mainly to ensure my check valves were each oriented correctly, but this did not fix the issue. Turns out my issue was a combination of a bad fuel selector switch and loose...