Stock Exhaust 08 700xx
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105 Posts
Check with boost addict, he's got one listed for sale.
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1,888 Posts
Just my opinion here. I'd just suggest you give Eric at EHS a call and get him to help you set the controller right so you can work with what you already have. It's way cheaper... phone call vs the cost of a stock exhaust... which I have, but would rather NOT sell you if you really don't need it. JMO
roadkill
roadkill
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5,902 Posts
Or check here and see if you can figure it out. But a base map from EHS would be sweet.
http://www.youtube.com/watch?v=moMl6jpX8FE&feature=youtu.be
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79 Posts
I would definitely keep the setup you have, if you can, because you will definitely be unhappier with a stock exhaust setup. Especially considering you already have the EHS lid. The setup you have seems like a good one, and a few tweaks I wish you luck with it, should help. BTW if ya wanna ride sometime, drop me a line in the near future I'm close and have a few free fun places not far from ya... 
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1,888 Posts
I'd have a few questions to help narrow down the problem.
1. With different settings on the EHS controller, does it run differently? And how is it different?
2. Do you have a stock air filter?
If the quad runs the same with different settings, you may have a bad controller. Check the connections to your fuel injector, from ecu and the ground. Run quad. Disconnect the controller from system... disconnect lead from controller to injector and lead to ecu and re-connect stock lead from ecu back to fuel injector direct and run quad. Is there a difference? If there is NO difference in how quad runs... it kinda indicates a problem with the EHS unit itself (rare, but not unheard of)
If you have a stock air filter, these are quite restrictive... Not really from the foam itself, but more from the internal metal cage the foam sits on. Quads need to breath (IN from intake and OUT through exhaust) If a stock air filter is restricting the air flow in, it makes it hard to use standard settings for the controller and expect it work properly.
There can be other things that can be making your quad run crappy... loose wire, bad spark plug, fouled spark plug, air intake leak, etc.
roadkill
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166 Posts
1. back fired blow out white smoke from tail pipe and then I think it messed up the injector
because it will not start at all.
2. I'm not sure but I don't think it is stock (green in color if that helps)
3. I have rode it once about 3 hours fouled two plugs not good
I will check the controller right away how do I check intake leak thanks.
because it will not start at all.
2. I'm not sure but I don't think it is stock (green in color if that helps)
3. I have rode it once about 3 hours fouled two plugs not good
I will check the controller right away how do I check intake leak thanks.
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1,888 Posts
Yes, the stock air filter foam is light green.
You can check for air intake leaks by checking... 1. Connection from air filter to air intake tube and air tube to TB. Tight secure hose clamp? 2. Check air intake tube for breaks, cracks. Check TB and injector unit mounting to head.
How were the plugs fouled? Dry sooty and black... Wet oily and black?
Back firing can indicate a lean condition, but the white smoke indicates a rich condition???
Could it be that the guy who sold the quad to you had other problems that he didn't tell you about?
roadkill
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