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2005 honda 650 rincon

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Hey guys I havent posted on here for a couple years. Im working on 2005 honda rincon 650. The original problem was the bolts holding the starter gear to the flywheel backed out. We have replaced the stator and fly wheel along with a new rear crankcase cover. Upon completion ( it had been sitting for months ) we put a bit of fresh gas in the empty tank and fired her up. It spit and sputtered a bit. And was kind of hard to get started. After hearing it run came a carb cleaning. Cleaned the carb out and put it back together. Now it wont even fire. It had great great spark. Will not even fire off starting fluid. Every great once in a while it will backfire and send a nice healthy flame back through the intake. Does anyone have any more ideas.. timing... etc... ???

Edited by 356

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Have you checked the spark plug wire back to the coil, and ensured the battery and ignition wires are hooked up adequately? I'd trace the wiring from the battery to the coil and make sure all connectors are seated.

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If a vehicle was running before you worked on it and it isn't running now, then check the things you've touched to be sure you put them in the state that the factory wants.

 

All engines need air, fuel, and a spark to run. Sounds like you're not getting the right amount of fuel (backfires). IMO it sounds like the carb might have gotten gunked up and your carb clean only made things worse. The first thing you need to do is to check the carb. If you have access to a spare Rubicon carb, you might want to install it. If not, you need to disassemble the carb and then ensure you've reassembled it correctly... and that it is, in fact, clean. Did you put a new rebuild kit on it (new gaskets, float)? There might be a vacuum leak... have you checked all of the vacuum hoses?

 

Before I take a carb down and rebuild it, I'll try running some SeaFoam through it and then letting it sit. I'm surprised at how well this seems to work, especially as I make it a practice to put SeaFom in all my small engines... and run ethanol-free gas (pure gas) in them as well.

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