Thread: Does a RXT-X have a rev limiter?
07-06-2009, 04:27 PM #1
Does a RXT-X have a rev limiter?
I was riding my ski last night after getting the upgrades put on from my sig. At max rpm the engine would cut out for a second or two. Before the 4 in Kanaflex I could only get 7600 RPM now I can get 7980. Is this cutout caused by a rev limiter? Is it a clutch slippage problem? I did not have this problem last year a. 2008 RXT-X 29 hours.
07-06-2009, 04:38 PM #2
IIRC, the rpms you want with an X-ski is 8000 rpms, so you're really close. What's you altitude? That will have a lot to do with rpms too... Ron
07-06-2009, 04:43 PM #3
07-06-2009, 06:01 PM #4
The rev limiter is 8200 RPM. Your RPMS seem very low to me, possibly because of your altitude. I like to see the RPMS at alteast 8100
07-06-2009, 08:58 PM #5
Altitude, I believe someone will chime in about a different impeller pitch.
07-06-2009, 09:25 PM #6
- Join Date
- Feb 2007
For the X boats (255) try to keep the RPM no more than 8000. For the 215 hp motors, these like to sit at 8100. If I'm not mistaken, the timing curves are different with the 255 vs the 215. This being the reason for where you want the RPM to be at these numbers. This is only when dealing the the stock OE ECU.
07-06-2009, 09:31 PM #7
Everyone keeps saying keep them at 8000 but the guys that ride them and do all the work on them prefer them around 8100 -8160.
07-06-2009, 09:41 PM #8Is this cutout caused by a rev limiter?
what kind of fuel? have you checked your plugs? how is the holeshot does it miss under a load when you nail it on take off?
07-07-2009, 05:58 AM #9
I know limiter is at 8200.
Mine max rpms are at 8140.
A bit high,but at 8100 the prop makes more rpms = more speed.
Am i wrong ,most like to have max rpms at 8100.
The seadoo workshop manual says the limiter is at 8300 for the x-models.
More rpms is more speed!!!
07-07-2009, 07:10 AM #10
Hmm, I always heard to keep the X skis closer to 8000 as king of fun mentioned and the others at 8100-8160. My non X ran good at 8140 -8160.
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