04-12-2010, 01:08 PM #1
- Join Date
- May 2008
Seadoo Millenium GTX Vibration idle
Hi my mate has just bought a millenium edition and in the water the other day and at idle there is a really bad vibration under his knees when you put some gas on it it runs brilliantly????
Took the pump off prop looks okay few little dings some of the vains are missing from the actual pump housing would this cause it to vibrate badley????
04-12-2010, 01:53 PM #2
Something has obviously been sucked through there. I would say you are on the right track. Vibrations can tend to have an rpm or speed range that they are detected in. Some may get worse with more speed others you may punch through that range and they seem to go away. You might do well with taking some pics of the damage and re-posting. There are a lot of people with way more experience on here than I. They can probably help more with the inspection process and what you really need to replace.
04-12-2010, 05:00 PM #3
I was thinking something much more simple. The idle speed should be 1450 to 1550 rpm. if its lower you will get A RUMBLE or rattle. some times the rubber waterbox strap may be broken or missing.
The pump vanes will make it cavitate or run slower but not vibrate
04-15-2010, 10:12 AM #4
- Join Date
- Aug 2009
- Beaumont, Texas
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