787

I'm a total newbie so be gentle. My buddy is helping me. When I hit the ignition on the port motor I get nothing but a click and the fly wheel would not spin. We have just torn the motor down. Everything looks ok but the motor would still not turn over. We disconnected the starter and the motor...

Ok I am at a loss, bought a 97 seadoo xp 787 last year and it ran great until the last time out at the end of the season. When you would get to 40 mph it would still accelerate but would miss like it was hitting the rev limiter. Well had full bore go through the engine, new wear plate and the...

I am going to put new carbs on my 97 challenger ,It has one 787 that I rebuilt and this year I hope to freshen it up even more.I would love to know any ones thoughts on either going with the stock Mikuni 40mm super BN carbs or setting it up with Hi Performance Super BNs that are 44mm . Would...

Hi, I have a 1996 Challenger.(787 - 800 single engine) I bought it in 09 and have never had it in the water. A pot head / lying ass Seadoo mechanic really screwed me up and over !!! (Did work on the side, not at dealership) Long story short the engine is now rebuilt (Not by 420 man). While...

is there a way that the oil pump in a 97 xp (787) is faulty. i have a new engine in and fresh oil and gas and i bled the oil pump to get the air out but all i get is the new oil coming out the bleeder but the air pockets in the same exact place on the two little tubes going to the intake behind...

I have, as stated above, a 96 and 97 gtx's and both have a constant draw on the battery. After unplugging every wire I possibly could I found that the wire running to the stator housing was where the draw was coming from on both of them. I followed those wires to the front boxes and it looks...

I have a 96 gtx with the 787 engine. It ran really great untill the engine seized. I took it to a dealer and they told me that the bottom end needs rebuilt. I guess some bearing in the bottom end went bad. I have some mechanical skills and am wondering if this is a rebuild that I can do or if I...

Hi guys, this is my first post here, although I have been stalking this site for over a year now. I am the very happy owner of a 97 GSX with the rotax 787 that has seen all types of riding with great results. I race motocross and am very picky with maintenance, so it has been rewarding to keep...

******PARTS ARE FOR SALE******* Jet pump rear electrical box steering cable exhaust manifold water box tuned exhaust oil tank oil sensor motor mounts handle bars thumb throttle drive shaft cover Front tow hook Rear hook sponsons intake grate exhaust hose water pressure...

I have been rebuilding the 787 for about a month now. the reason for doing it was cause it wouldnt start and one of the cylinders was showing 90 compression while the other 155. well the top of that piston had dents in it everywhere ands even in the head. I pulled the piston off thinking that...

I am looking for the right tool to pull the flywheel off of a 787 engine from my 97 xp. i dont know if its part number 290-876-488 or 295-000-106 or 290-876-298. i no the thread has to be on the inside of the puller but the 295-000-106 seems the most logical but its thread is on the outside...

Hi All, I posted this in the 2 stroke boat section without a reply, but this would apply to Ski riders too, so thought I'd post here too. Recently got the 96 Challenger out for it's first start up after a couple of months to get ready for Summer (Australia). Did the normal prep. Boat was...

At first I thought WOW this thing is going to be great, its FAST on my first run off the trailer to the beach. Then I let me wife take it for a spin, it seemed to run fine, until she came back at only 4000 rpms and barely moving, lots of smoke too. If I left it sit for an hour or two it would...

I have a problem that has been going for about a month. 96 challenger (787 engine) will die randomly. Often happens on acceleration, but also happens at cruising speed. No beeps at all, and all I have to do is shift into neutral and press the button, and instantly it fires up. I have changed...

Hi Guys, I'm going insane. I have a 1996 Seadoo Challenger with Rotax 787 dual carb. After pulling it out from winter I've found that when starting it up the boat was stuck at WOT. After pulling apart the throttle assembly, found nothing wrong with the cable. I've since decided...

Hello guys My 96 seadoo GTX is converted to premix at 40:1 Was running great then kids took it out and I forgot to check the crankcase oil level. Well that oil ran out and while the kids were riding it overheated and shut off. once it cooled they rode it back to the docks. Now it seems to...

Fellow Seadooskis, I've been somewhat fortunate that my 97 GTX was running well over the past couple of years with the original engine at 250hrs. Well my luck ran out and a RAVE valve broke halfway up the blade and was swallowed by the engine. I shut her down pretty quickly, but obviously...

Just purchased a 96 Challenger, good looking boat, needs very little upholstry work. Just had (local shop) do an engine check after replacing the old SBT starter that failed after 1 year. The compression check was 120 on Front 160 on Rear. I was told I need a new engine and that the rings or...

how do I block off the oil on my 787? do i need a kit ?

okay waterdogs i need help. my gsx has no compression on the front cyl and i need some tips to replace the rings. do i need to take out the motor (787)? and how can i block the faulty oil pump that caused this? any pictures would be very helpful...thanks guys