rave valve

Howdy All! I just bought a 98 Seadoo Challenger. The port side engine doesn't start up. I figure with a little bit of elbow grease and some new parts, I can get it back up and running. Worst case, I'd rebuild the engine , but really hoping to avoid that if possible. The first thing I noticed...

I have a 96 Rotax 787 with two rave valves that needed cleaning. I cleaned both. The gaskets were mostly ok, but there was a bit of the material left on the head, so some tore off. I don't feel comfortable reusing them. I have Fel-Pro Karropak gasket material and cut my own making sure to...

I have a 1997 XP. It was running very rough. I found one of the RAVE valves was not threaded into the plastic Piston Exhaust Valve Cap. It wore down the threads on the RAVE. I need to replace both the RAVE and Cap. Is it ok to replace one RAVE or should they be replaced in pairs?

OK, so on my last ride just as I was approaching the launch, my engine started loudly rattling. I stopped the engine (I stopped it intentionally, it didn't stall) because obviously something was wrong. Turns out, my RAVE valves had both broken apart. When I got in there, ALL of the plastic and...

Just picked up a new 96 gsx after restoring my 95 sp. I’ve always wanted a gsx so I finally got one. Can anyone tell me everything there is to know about the 96 gsx? I have worked with rotary valves but not the rave valves so I’m not sure what’s new there. The fuel lines are gray so I have to...

okay so ive broken 3 rave valves on the same cyl. in the past year(both oem and SBT). 2 at shaft 1 blade in half. have changed valve housings and soft parts. but the problem is in the actual guillotine bore itself. . stock bore piston +rings and cylinder are in great shape compression is...

Hi guys This is my first 787 engine Gtx 96 Today I remove the rave valves to cleaning and I found that the guillotines was broken or someone cut it What it is the function of this valve ??? The engine turn freely

I have been looking up rave valve cleaning and everyone i have seen is a has a normal exhaust carbon build up. when i pulled mine out they were wet and gewy any ideas?

Hey everyone, this is my first post on this forum, I have been looking for answers for a week and still havent found anything to solve my problem, maybe someone hear can help. I have a 98 Seadoo XP LTD with the 947 model engine. I just bought it from my Bro a few weeks ago, he was the second...

just wondering how to do it and what i need to know where they are