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By Jon Spruill
Hey Guys, I have been chasing a stalling condition for about two weeks now. The bike will crank up and idle fine, then after about 20 seconds it will fall on its face and stall. It happens at both idle and while running at various rpms. You can turn the key off, turn it back on and it will fire right back up without trouble. I have verified spark on both cylinders with a spark tester. I have also added an inline fuel filter, and pulled the injectors to verify proper pulse on each. Things I have replaced - (relearn procedure performed after each component replaced): spark plugs, ECU, relay/fuse box, fuel pump, & throttle position sensor - all with no improvement of the condition. The only warning light I get when the condition occurs is the oil lamp. The bike only has 14 miles. I am at a loss and appreciate any help and suggestions! Thanks
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By Tony P
Twice my hisun has been driven a few miles and turned off back at home. Get back on it same afternoon and console is dead, no lights.
Have 12.7 vdc at battery and fuses are good. I hear relays click in the fuse box and main relay clicks but everything is dead.
Any ideas on what this may be? I've seen this problem before on this forum but it never finished.
Any help is always appreciated. Thanks in advance!
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By Jon V
Good afternoon. When the timing chain came off its lower gear (previous owner had over-tightened the tensioner), I ordered new parts.. chain, oil-pump chain, tensioner etc.. But now that it's time to put it back together, the main crankshaft makes a clang noise and stops when you turn it by hand. I want to solve this before assembling everything. The camshaft cover is off so that the valves aren't being activated. Should the transmission be in neutral to turn the crankshaft? The engine was running fine until the chain came off the lower gear. Then it would spin when the starter motor engaged so I assumed the crankshaft was spinning. Any advice is appreciated.
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By A P
Hi
I have a 2022 hisun sector eps 550. 30amp fuse is blown for eps. Checked the motor and it’s fine. Opened up the controller and found a bad diode. Dealer wanted 500$ for the controller. Just posting this in case it helps someone. I couldn’t read numbers from the old one so just took a guess and replaced it with a 100v 3amp diode.
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By Goat Quilter
We pout new belts cleaned engine and carburetor plugs you name it. Drove down road no problem came back uphill no power won’t go . What’s the issue?
could it be clutch?
frustrated in shop more than in use on farm
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