CRF80 Stalled out, Won't start again

Joined
Jun 2, 2014
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#1
Hi all, my name is Bruce and I'm new to this forum. I ride a Honda CRF80 2007 model which I've had since brand new. From the day I've got it I've had no problems with it until just the other day.

While riding with a few friends, I hit a ramp at low speeds and got a few feet off of the ground. When I landed, I tried to gave my bike some throttle and the engine died out. At first, I thought I had stalled the bike and wasn't worried until I tried to kick start it again. There was pressure, but the bike wouldn't start. It sounded like it would when I'd normally start it except the engine wouldn't get going. I then coast started it down a hill and the engine started up again, but only to stall out within seconds. While it was on for those few seconds I tried to give the bike some fuel but it didn't rev up at all.

My friend and I started working on it this morning in hopes that it was something small and easy to fix. Here is what we did:
`Changed the oil (this was well past due, it was almost black and had some specks of dirt in it)
`Cleaned the air filter (this was also past due, it had some build up on the outer foam)
`Changed the spark plug
`Checked the kill switch wires
`Cleaned the carb with carb cleaning fluid (the excess fluid draining out was a dark brown, while the original fluid was clear with a yellow tint)

The same thing still happens. It won't kick start and when I coast start the bike it dies out within seconds.

*I'd like to note that a few months ago I had removed the baffle off of the exhaust. I hope this isn't the cause and I regret doing so.

Thanks in advance for any suggestions. I'd really like to get back to riding again so any comments help!
 
Joined
Jun 30, 2014
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#2
have you checked your reed valves or put your hand over the intake of the carb to see if its blowing air/fuel out the intake or checked to see what the spark looked like yellow is a weak spark blue is good you should also take a muli meter and see what the voltage coming from the primary coil is (magneto)