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Author Topic: Suzuki DF200 4 stroke wont go over 3000 rpm  (Read 3083 times)

August 21, 2011, 09:43:57 AM
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rjost13

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Suzuki DF200 4 stroke wont go over 3000 rpm
« on: August 21, 2011, 09:43:57 AM »
My Suzuki DF200 wont go over 3000 rpm, we took it out one morning and it ran fine for about 30 min, we stopped to grab lunch and when we started back up it wouldnt get past 3000 rpm. When I took it home and put it on the hose it was doing the same thing. Any idea what the problem could be?
Thanks

August 21, 2011, 07:07:36 PM
Reply #1

flounderpounder225

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Re: Suzuki DF200 4 stroke wont go over 3000 rpm
« Reply #1 on: August 21, 2011, 07:07:36 PM »
It sounds like a fuel issue, filters?  But you said when you put it on the hose it did the same thing?? What same thing?  I hope you were not trying to hit 3000 RPM on the hose? Remember, the muffs only provide enough water at idle and slightly above, revving these big motors up on a hose is not good because they cannot get enough water, you can smoke check your impeller, and/or overheat the engine.
Marc
Marc
1997 245 Osprey, 250 HPDI.  SOLD

August 21, 2011, 07:33:21 PM
Reply #2

MarshMarlowe196

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Re: Suzuki DF200 4 stroke wont go over 3000 rpm
« Reply #2 on: August 21, 2011, 07:33:21 PM »
Something is likely triggering your Rev-Limiter.  How's your oil level?  When you were running, did you turn close to 6,000RPM's?  A fouled water pump could cause it to overheat, which would also trip the rev-limiter.  When you turn the key switch to "ON" position (don't try to crank it), watch your speed and tach gauges.  What do they do?  Any lights flashing or illuminating continuously?  Does your RPM needle rise to a certain number on the tach, hold for a moment, then drop to zero again?  When you were running the boat, did you have any alarms or flashing lights go off?

If you're running it at home on the muffs out of gear, the outboard wont let you rev past 3000rpm's.  It should be surging and dropping RPM's rapidly right around 3 grand.  Is it doing that?  Since you probably didn't have it in gear at home (backyard rooster tail?), I wouldn't factor that symptom into the diagnosis.  

This engine is one big computer full of fail safe's, sensors, and limiters, so a sure way to find out what's wrong with it is to take it to a Suzuki dealer and let them plug it in for you.
Key West 1720 / Yam C90

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