Loud Engine knock - Page 3 - Ex-500.com - The home of the Kawasaki EX500 / Ninja 500R
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post #51 of 58 (permalink) Old Yesterday, 6:35 PM
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AFA sounds...differentials in cell phone (microphone) placements, outdoor vs indoor sound environments, speaker system being listened on ....just too many variants to make a spot-on determination IMHO.

Great its started and running now.

a quickie, simple test of the charging system...in neutral rev up to 4000RPM, read DC volts across the battery...what voltage reading you get?

A quickie, simple load test...read DC voltage at battery as starter is engaged....what voltage reading you get?

OK, so take it for progressively longer and longer rides, is it still stalling out mid ride?

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post #52 of 58 (permalink) Old Yesterday, 6:49 PM Thread Starter
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Mine still sounds different I think when the mic is closer to the engine. I do understand how it’s tough to diagnose these things over an iPhone video though. I haven’t tried reving the engine yet, I’ll try that when I get home from work.
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post #53 of 58 (permalink) Old Yesterday, 7:41 PM
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I can't hear the knock. Can you hear it in mine?https://www.youtube.com/watch?v=pXINQ98sr-o
you cheating there @bpe starting a warm engine or is your temp gauge stuck on a 1/4 mine not that warm after 10 miles.
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post #54 of 58 (permalink) Old Yesterday, 8:42 PM
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^ Well everyone does a cold start video.
So I thought I would do a warm start video.

2006 Ninja500R Purchased new July 2006; 0 miles. Miles as of January 2019; 102,137. It's a GO bike, not a SHOW bike.
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post #55 of 58 (permalink) Old Yesterday, 9:53 PM
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^ Well everyone does a cold start video.
So I thought I would do a warm start video.
ha ha well done. joking aside though it's really surprising just how many write my bike got !!!! miles on it and is making a noise.
when I smile and think wait while you have 70k on it. mine sounds like the engine is going to jump out of the frame sometimes when it's cold, but warmed up it purrs like a kitten. FOG keeps telling them to just ride it but the message doesn't seem to get through.
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post #56 of 58 (permalink) Old Today, 12:42 AM Thread Starter
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^ Well everyone does a cold start video.
So I thought I would do a warm start video. [IMG class=inlineimg]/images/Ex-500_2016/smilies/tango_face_grin.png[/IMG]
ha ha well done. joking aside though it's really surprising just how many write my bike got !!!! miles on it and is making a noise.
when I smile and think wait while you have 70k on it. mine sounds like the engine is going to jump out of the frame sometimes when it's cold, but warmed up it purrs like a kitten. FOG keeps telling them to just ride it but the message doesn't seem to get through.
I get that I’m new at this and still have a lot to learn, but I’d like to at least try to identify what’s going on before I just ride it. It wasn’t knocking/rattling like that before, seems to be coming from the left side. Does the engine not sound weird to anyone else? Am I just being paranoid?
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post #57 of 58 (permalink) Old Today, 6:37 AM
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hi mate, I wouldn't try to trivialise anybody's concern about the noise the bike makes but honestly they do sound awful sometimes I don't have a vid of mine cold but if yours sounded as bad you would really worry. I do find increasing the tick over speed a little to 1300 helps. and when it's warm/hot it does quieten down a lot as the oil flows and the metal expands.


yours is a gen 2 so won't suffer the maladies of the gen 1 like collapsed CCT or magnet flying around the timing case but will still have the usual cam chain rattle because the CCT is waiting to go up a notch and there is no adjustment on the primary chain so there will be some rattle from that providing the valves are set, you have good clean oil it should be fine. bearings can and do wear but the engine is quite robust. many members have bikes with plus 60k on them.

I honestly cannot hear anything untoward in that video even though it's only short it sounds normal to me.
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post #58 of 58 (permalink) Old Today, 3:32 PM
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hi mate, I wouldn't try to trivialise anybody's concern about the noise the bike makes but honestly they do sound awful sometimes I don't have a vid of mine cold but if yours sounded as bad you would really worry. I do find increasing the tick over speed a little to 1300 helps. and when it's warm/hot it does quieten down a lot as the oil flows and the metal expands.


yours is a gen 2 so won't suffer the maladies of the gen 1 like collapsed CCT or magnet flying around the timing case but will still have the usual cam chain rattle because the CCT is waiting to go up a notch and there is no adjustment on the primary chain so there will be some rattle from that providing the valves are set, you have good clean oil it should be fine. bearings can and do wear but the engine is quite robust. many members have bikes with plus 60k on them.

I honestly cannot hear anything untoward in that video even though it's only short it sounds normal to me.
valves absolutely will need attention, in due time

I'd suggest doing the quickie electrical tests, then move forward to test riding to see if return to factory fuel line routing has any positive results in regards to bike stalling mid ride.

If bike no longer stalls, problem solved. If it does....carb related issue? Or is battery dying due to a charging system issue?

Thats where I see we are right now....when all that eliminated...onward to valves. Perhaps that will even modify the nature of the bikes noises...producing the old "sewing machine" sound...who knows? I'll be very interested in eventually reading what the exhaust valve clearances are at.

“Being shot out of a cannon will always be better than being squeezed out of a tube. That is why God made fast motorcycles, Bubba....” quote Hunter S Thompson

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Last edited by ducatiman; Today at 3:34 PM.
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