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Hi all and hopefully @mikidymac notices this too. I have been all thru your AWESOME carb write up as I work on the 787 carbs for my 1997 challenger 1800. Here’s my issue. All the descriptions talk about a slightly larger hole off to the right (blue line) and then ‘3 little holes’ that you...

Here is a strange one, or at least is to me. 1997 Challenger 1800 with twin 787’s. Recently the left tachometer just stopped working. No needle movement at all. The right works fine. I was trying to determine if it’s the signal from the MPEM or the tach itself. In the console behind the dash...

Here is a strange one, or at least is to me. 1997 Challenger 1800 with twin 787’s. Recently the left tachometer just stopped working. No needle movement at all. The right works fine. I was trying to determine if it’s the signal from the MPEM or the tach itself. In the console behind the dash...

Working on my 1997 Seadoo Challenger 1800 with twin 787's. Some may have seen my other recent post about 2-stroke oil leaking past the crankshaft seal and hydro-locking the Mag cylinder on the port motor. After a bunch of overthinking it, I decided to tear apart a good working motor to solve...

Hello forum, I know this topic has been covered a lot and I have spent the week reading a bunch of the threads and still have a couple questions. Most of my questions are about peoples actual results. The issue is a very common 787 one in that the seal on the crankshaft leaks 2-stroke oil from...

I’ve got a 1997 Challenger 1800 and the gas gauge isn’t working. The low oil light does work. There is 12v coming into the gauge thru the purple wire as there should be. I’ve done all the diagnosis around the sending unit and the F1 fuse and all at the tank end are working as supposed to...

Can anyone identify the rubber standoff in these pictures. I finished a top end on an engine on a 1997 Challenger 1800 and it was sitting on the bench in the end. There is a chance a buddy is screwing with me and put it where I had all my pieces cause I don’t remember taking it out. But I’m...

Hi all. I have recently acquired a 1997 Challenger 1800 and when not working on it, I have spent countless hours on this great forum learning about the boat. Thanks for all the guidance so far. Here is what I have been able to determine is going on in my boat. Both engines run, but not at the...