Thread: Fixing up Gp800- Bogging top end
04-14-2009, 12:15 AM #1
Fixing up Gp800- Bogging top end
I've already dedicated some time to cutting down on the porpoising problem (picking up ride plate and trim tabs this week). But the ski still needs some work (minor cosmetics and bogging).
Here is the ski, 99 gp800, trailor, tube and jackets for a fair price, but like i said the ski isn't perfect..
It was smoking and running oil rich so i got an oil block off plate and now it runs fine in that aspect
However, top end is behaving strange, i will pull it wide open and the ski will shoot off on its plane, reaching 7xxxrpm and reaching top speed quickly, but then it will bog down within seconds to 3,500ish rpm, and then shoot back up again
From anyone body elses point of view it probably looks like i keep squeezing the throttle up and down, but i have it wide open
Where should i check for vacume/gasket leaks? Could this be carb tuning? Plugs are clean, plug wires look good and new, good battery
Thanks, sorry for the novel
04-14-2009, 07:27 AM #2
It could also be the electronic operated powervalves raising and lowering when they are not supposed to, but I don't believe this is a common problem.
04-14-2009, 11:42 AM #3
Yeah, I really feel like it could be a simple fix, the motor sounds very healthy and revs up fine, its pretty much only top speed
Users Browsing this Thread
There are currently 1 users browsing this thread. (0 members and 1 guests)
By itljcloud in forum Yamaha PWC Performance (2-stroke)Replies: 3Last Post: 06-13-2013, 10:51 PM
By silvercrxsir in forum Yamaha PWC Performance (2-stroke)Replies: 5Last Post: 04-18-2012, 04:20 PM
By thiagoavila in forum Polaris Open DiscussionReplies: 2Last Post: 07-29-2010, 12:02 PM
By airbornexp in forum 2-Stroke PerformanceReplies: 9Last Post: 07-22-2010, 08:00 AM
By the destroyer in forum Yamaha PWC Performance (2-stroke)Replies: 9Last Post: 04-19-2009, 10:16 PM