So I was rebuilding the RAVE valves on a newly acquired 1997 787 GSX today and saw something I have never seen before. First of all, whoever TRIED to rebuild the raves put the PTO side in upside down, second they used so much silicone it was stuck to everything. Anyway, I pulled the housing off and went to cleaning them and BOTH of them had rubber plugs in the exhaust port. Both had little rubber pieces that fit the entire exhaust chamber on the housing and plugged down into the port on the engine. Has anyone ever seen those before? I have looked at every manual I can find, looked at part schematics and cannot see that on any model for any year. My understanding was that port was used to inflate the bellows and change pressure as speed increases or decreases. If anyone can give me any insight to this, I would appreciate it. Thanks.
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Sea Doo Rave Valves Exhaust Port Blocked 787
- Thread starter ulrich400
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rogierbanis
Member
I feel so stupid asking this but what do you mean by PTO side? I am just an eager learner and want to know something when i don't understand.
Thnx!
PTO = power take off. It is where the drive shaft plugs in at the rear of the engine. The front cylinder is often refered to as the "mag" side because the flywheel (magneto) is on the front of the engine.
I have not seen rubber plugs where the raves go. Could it just be a silicone creation from the previous owner's attempt to service the raves? I'd love to see a pic.
I have not seen rubber plugs where the raves go. Could it just be a silicone creation from the previous owner's attempt to service the raves? I'd love to see a pic.
rogierbanis
Member
Aha, thank you Matt. love the detailed clarification. Now i will never forget it ;-)
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