Thread: 250x Top Speed Probs
07-09-2009, 03:06 PM #1
250x Top Speed Probs
Hi i have a 2008 ultra 250 x with 60 hours and some mods:
-09 pistons and cams
-6 timming mods
-riva free flow exhaust and wb
-and some others.
My probs is that my toop speed was max 53 mph about or 80 km\h.
max rpm recorded on the gauge are 8650 (it seems me too much).
but seeingthe rpm during screen i can see about only 6700 about.
Is it impossible to have such this rpm......the ecu hasn't got a rev limiter?
Why my ski go so slow? what to check?
no strange noise, no strange things...
07-10-2009, 03:19 AM #2
07-10-2009, 04:15 AM #3
07-10-2009, 06:53 AM #4
prop is ok, belt maybe ok.....but some rust(please check the pics attached).
Where to see boost?
What do you think about spark plugs?
07-10-2009, 06:55 AM #5
07-10-2009, 07:37 AM #6
I assume you are reading on a GPS?
What is pitch of prop?
07-10-2009, 08:12 AM #7
Maybe it is a solas 16 21. Maybe. Always gps!
What dp you think about rust rhere?
07-10-2009, 08:30 AM #8
07-10-2009, 11:30 AM #9
THAT'S RUST is so bad...man do you wash you ski after each ride, spray the engine..and internal compartment "maybe" as you always says or maybe not..I suggest to do major check up and maintenance job on you ski
07-10-2009, 01:20 PM #10
I wash my engine but it is second hand!!!
Bad man before.
Top recorded rpm is 8650 with 53 mph.
It was 28 celsius degree and 40 cm of wave.
The speed is by gps.
The rpm that i have seen during outside were max 7000...
Could you help
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