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By hisun junk
As I tried to do a conversion with the Yamaha 660 motor, I realized the 660 was never fuel injected so it would not work for the fuel injected hisun motor swap. But the good thing is the hisun 750 motor is a clone of the 660 Yamaha but with the components for the fuel injection (cam/crank position sensor). So that left me with a new rebuilt Yamaha 660 and still a broke 750 hisun motor. I took apart 750 think the timing chain had broke from all that I've heard about these motors. The chain was not broke, but just off cam and crank gears! The chain tensioner was at fault! I've ordered Yamaha 660 replacement parts, chain, two exhaust valves (which got bent when chain came off while motor was spinning) and seals. The piston has 2 little nicks where it had hit valves but no damage otherwise. The head is being redone at the machine shop and I'll be putting it back together in the next couple of weeks. Also I finally tracked down a Service Manual with all the info on the 550/750 Challenger.
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By Venom
Hi All,
I picked up an old beat up 2010 American Sportworks Bull Dog 300 BD300. I would like to restore her... Does anyone know a good source for parts other than the OEM? I find $130 for brake pads is kind of unreasonable... I also need a steering rack and other things... I took apart the steering rack and it needs a new bearing and oil seal... Of course the OEM only sells the complete rack for over $200.. I found the correct bearing for $6.00. I am having trouble finding the correct oil seal..
Anyone that has info on one of these machines, please chime in... I am used to the ease of finding info on Polaris, Honda, Can Am, Kawasaki, etc....., Info and parts on these seems to be scarce.. Some of the parts on it look like Golf Cart parts as well as some look like Go Kart parts..
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By shawn b
my hisun died on me while driving it started losing power then stalled. it wants to start but wont . it didn't over heat. I replaced plug,fuel filter injector, and fuel pump.put code reader on it and says no codes. have any ideas possibly sensor? Any input on what it could be would be appreciated
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By TPlummer
We recently purchased the Axis x550. Fueled it with 93 fuel and drove one time around the farm and the 02 fault error appeared. Any ideas?
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