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By Chris Cowell
Hey fellas. So I have a 2012 yfz450r. I work on the road for a living and went to a job and let a friend of mine borrow my wheeler while I was gone. Well, we know how that all turns out. I come home and it’s not running. Swears up and down he just went out to start it one day and wouldn’t start. Well, I start fooling with it and figure out the fuel pump is bad. I replaced the pump a couple days ago and brand new battery. When I go to start it, the engine light blinks every time I hit the start button. So, I decided to try and pull start it. It’ll turn over strong and half-ass run until I pull in the clutch and dies. Then the fuel light came on. I can hear the pump turning on and doing it’s job. Now, when I turn on the key the fuel light stays on, and same deal with engine light blinking every time I hit the start button. Can anyone help me out at all? This has been a NIGHTMARE. Super appreciative for any help. Thanks.
I have had this ATV since new, and no work done on the system before. It has an intermittent issue with starting for years but getting worse. Cranks but no start or have to cycle power. No Codes. There are times it starts right up and then times it will not start at all.
What I have done, new plug, new battery, new coil. Also, the manual I have has spec info for the H1 & H2, but when I check ohms & AC voltage & wire color, it is more in line with the H2 than H1.
Ok here is what I have done.
1. new plug then new battery.
2. checked and replaced the coil- primary was 5ohms and secondary was 20.4K ohms. Since my book said for the H1 the Primary should be less than 1ohm I replaced (new one had the same 5ohms, confused! H2 says 4.8ohms). Book says secondary should be 12k-20k ohms and it was 20K ohms. New coil did not correct the issue.
3. Stator, AC output while running was good, about 75 volts AC no load between the three yellow wires (but mine are gray wires like the H2). Ohms were also less than 1 ohm.
4. Crankshaft position Sensor. Again, H1 should have Blue & White but I have Blue & Green like the H2. I have 180 ohms across the Blue & Green wires, so this is good. But when cranking I have 2 volts AC. For the H1 book says 5 volts AC. But H2 says 2 volts AC.
So, is my position sensor putting out low voltage or do I have the stator assy for an H2 in my H1 ATV from new? Stator & position sensor are one assy. Has this ever been an issue that was noted? New Stator is $$$ so I don’t want to just shotgun a part.
Any help would be great!
I like to ride in wooded and grassy areas. It takes my mind off the everyday routines and helps me deal with my father's cancer. Also gives me a reason to get involved with forums like this one.
Hey I'm looking at purchasing a 2006 Arctic Cat 650 H1 SE but don't know much about Arctic cats, how reliable are they and will it make a good Mudder/work horse?
Here is a link to the one I'm looking at
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View File 2012 - 2014 Kawasaki Brute Force 750 Service Manual
2012 - 2014 Kawasaki Brute Force 750 Service Manual
Brute Force 750 4x4i EPS
Brute Force 750 4x4i
KVF750 4x4 EPS
Submitter Ajmboy Submitted 06/21/2020 Category Kawasaki ATV
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