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By Dsluder
I am having an issue with a hs500. I bought it broken and have been trying to get it running. It seems to be starving for fuel. If I put my hand over the intake it will crank but will not run for very long because I'm not able to get the correct airflow with my hand. The things I have done so far are. Replaced the fuel pump, fuel filter, mass airflow sensor, idle air adjuster, fuel injector, cleaned the throttle body, replaced the ecu, and still the same issue. I notice the injector does not spray when removed from the head. I dont know if that is common.
I am out of ideas on what to do next. I have removed the fuel line from the injector and it is getting plenty of fuel. If anyone has an idea on what could possibly be the issue I would be happy to try anything at this point.
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By Kaz
Troubleshooting a no spark issue, was running OK, maybe a little rich, turned it off, now no spark. I've checked/ohmed out the main key switch, the start/stop switch, neutral switch, brake switch - all good. It will crank the starter, but no spark with the starter or when I try the pull start. I've checked all fuses and diodes. Swapped battery. New plug. New coil. Swapped in a used CDI - no help. Traced, removed, cleaned, reattached all grounds. Removed things like my winch from the circuits to be sure a bad relay or something was dragging it down. When testing voltages, the orange wire going from the CDI to the ignition coil shows no/very low voltage-shouldn't it have 12V on it? Sometimes I get a very weak, intermittent glow on my spark tester, but not enough to fire the plug. I've checked continuity on just about all wires in the harness. Checked/cleaned/lubed w dielectric grease- all connections, redid a few that looked old/dirty. I've checked the stator resistances, all good, but have a stator and rectifier ordered anyway, will arrive Sunday. I verified that the rectifier has a voltage output back to charge the battery while cranking - 10.5-11V, low, but expected while starter is engaged. What else can I check as part of troubleshooting? I have a Haines service manual, but the 1999 350 4x4 seems to be an odd model, there isn't an exact electrical diagram for it, but found one for another year that has all the same number of wires and same color wires, so I've referenced that. Any hints, tips or advice would be appreciated! Thanks!
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By pastorjeep
Need some feedback here. I picked this machine up with PO saying no spark. I have tried new stator, CDI, and coil. The stator ohms 231 w/r to w/g and .1 red to blue. The coil is .8 primary and 2.53 secondary. I have 12 to the CDI with ign on and the wires from stator to CDI have good continuity. This model only has 12v on or off for ign/kill source. Still no spark?
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By Ejwill
I put a new carb on my trx500fe which I have done before on other models, but this foreman was a real pain, takes forever to get to the carb. Anyway I got the new one installed . I also changed the choke cable while I had it this far. When I turned the gas back gas started running into the air filter box. I did have trouble with the choke cable, it didn’t seem long enough to run where the old one did and the elbow that came with the new carb had more of a 90 on the angle. It didn’t feel like it was binding but I don’t know if the valve was seated on the valve seat. The choke pushed in smooth but who knows what happened in side the valve body. I don’t know if this could be the problem or not I hadn’t run the it just turned the gas back on. Appreciate any help, hint, hint Mech and GW or anybody else. Deer season is over in a little over a week. My power chair won’t make it down those muddy roads. Thanks again.
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By DaleJAM
so i cant read the vin clearly but i have added some pictures, hopefully someone sees it correctly. took a picture of what it looks like, they painted it Green It is underside a SKY BLUE original. has one spark plug . 3 relays in the back + rectifier. has one relay in the front. has cdi in the front three plugs off it.
If you need more info or pictures please ask.
the wire harness is trashed i want to rewire it but correctly.
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