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Sound like a stuck valve to you?

  • Thread starter Thread starter DarthTAiness
  • Start date Start date
D

DarthTAiness

Guest
Got a problem with my 700 running rich and bogging below 3500-4000rpm. It's got a pipe and pods on it, which I rebuilt and rejetted the carbs for. I've got my mixture screws out to 3 1/2 turns and I'm still getting 18 MPG. I can do preventative maintenance all day long, but my 'inside the engine' experience is limited. I've noticed a rhythmic clacking sound coming from the engine that seems to change relative to engine speed. Based on the research I've done and the fact that I've eliminated everything else I can think of, I'm pretty sure I've got at least one or two intake valves sticking. Like I said, though, my experience is limited, so I was wondering if you guys would have advice on anything else to check.
 
And check camshaft to crankshaft timing while you're checking valve clearance. How's your camchain tensioner?
 
I finally found a job, so work on my 700 will be speeding up a bit, I hope. I'll keep everybody posted once I get my hands on a compression tester.
 
Don't even bother with the compression test until the valves are adjusted. After that's done make sure you warm up the engine and hold the throttle wide open during the test. I'd also check the fuel level in the carbs (make a tool like the factory Suzuki service manual shows). Float needles may be leaking causing a crazy rich condition.
 
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