Join Date: Aug 2012
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2012 BF750 lost all power
Hey guys, got an issue and am concerned itís not going to be a cheap fix (a hunch). Anyway, itís gradually gotten worse to the point I canít drive it a quarter mile before it acts up.
It fires right up and when I take off it accelerates fine (probably a little less than when new by the butt dyno) but once it gets up to speed (40+mph) it starts to bog down and cough and sputter until it comes down to 10 mph or less. Itís as if itís not getting fuel is the best explanation I can give. I can tell itís struggling to pull itself, kind of like holding the brake while giving it throttle but I donít have a sticky brake.
I have replaced spark plugs, no effect.
I pulled the fuel pump and replaced the strainer on the end with a new one certain that was my problem (have similar experiences with my dads Ď05 King Quad) but that didnít help either. When I replaced that it took off and ran well for about 2 miles at half throttle or less but as I continued to drive it a total of 5 miles it got worse and by the last 1+ mile it would barely pull itself at 15 mph.
If I keep the throttle at a minimum I can putt around locally on the farm. And if I kill it and start it back up it doesnít improve.
I havenít taken a compression test yet but Iím a little worried that she needs a new top end. Iíll try to check compression ASAP but I have other things going on that take precedent.
Anyways, looking through the search I couldnít find a similar issue so Iím posting this to you guruís. Thanks for any and all help
2012 Kawasaki Brute Force 750
About 5,500 miles and not sure of the hours off hand