Optimax 150hp air compressor: water outlet?!

Rotti

Petty Officer 3rd Class
Joined
May 23, 2003
Messages
82
Hi,<br /><br />so now Ive got it hooked alright and the engine started the third time I turned the key- fine. Ran a little rough for half a minute but after that it idled out better- not a 4-stroke but well enough. When I manually operated the throttle a little bit to see how it would rev up, I saw a constant shot of water pissing out at the top of the motors backside (cowling was off)?! I checked with my manual pages and found the device where it came out to be the air compressor?! Theres a small screw screwed in at the top of that compressor which looks almost like a jet- it has a nice bore of about 2mm... should this be sealed normally with a plug, cap or whatsoever? What is it good for even when its sealed?Don´t know sh.. about these engines, damn! Any fast help would be great!<br /><br />PS. Its a year 2000 as far as I know, dont have a serial.
 
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