Something broke, oil light on - Honda RC51 Forum : RC51 Motorcycle Forums
 
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post #1 of 8 (permalink) Old 08-11-2011, 01:58 PM Thread Starter
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Something broke, oil light on

Hello all, yesterday I was stopped at a light after a few hours of riding with no issues. Then suddenly the RPM's slow and the and the bike stalls. I try to restart, and it cranks slowly for a second then no movement. Then the oil light comes on and starts blinking angrily at me.

So I push the poor thing home. Drain the oil, some metal shavings, but nothing out of the ordinary, so I pull the oil pan off. I find three chunks of metal that appear to be a small sleeve possibly. Probably no bigger then 3mm in diameter if all the pieces were there.

My first thought was oil pump or, pump chain/sprocket. I pull the oil pump off, and its flawless.

So, does anyone have any ideas of things I could check before having to find someone to take the engine completely appart?

This is an 03 RC51. Fortunately he engine is not siezed, as I was able to spin it by hand

thanks for any input
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post #2 of 8 (permalink) Old 08-11-2011, 07:03 PM
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Take it apart, check everything out, and ad upgrades while you are in there....
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post #3 of 8 (permalink) Old 08-11-2011, 08:25 PM
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You may want to pull the oil pan for sure to take a look see.



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post #4 of 8 (permalink) Old 08-17-2011, 12:51 AM Thread Starter
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I can get a SP1 motor with onyl 5K very cheaply, can I use SP1 shortblock motor with all the SP2 bits ( ecu/fuel/electrical)?

I tried to search but couldnt find a way to not get 5 million unrelated results.

Thanks.
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post #5 of 8 (permalink) Old 08-17-2011, 08:44 AM
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The engines themselves are the same.
Everything else can be swapped over with varying levels of difficulty.
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post #6 of 8 (permalink) Old 08-17-2011, 09:39 PM
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https://www.rc51forums.com/forums/showthread.php?t=5182

Last I knew, Carnag still has a motor sitting in his garage...



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post #7 of 8 (permalink) Old 08-17-2011, 10:07 PM Thread Starter
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thank you so much guys
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post #8 of 8 (permalink) Old 08-19-2011, 05:23 AM
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The oil light would come on if the engine did not start and there was no pressure.
Could it be a piece of your oil filter? What brand were you using? Describe the metal (Al/Fe) and thickness/size of pieces.

I'd take the filter off and after some inspection of the filter itself I'd cut it open and search inside for more evidence.
Then I'd go to the clutch side and look. Also take plugs off, put it in high gear and turn the wheel slowly. If it binds anywhere don't force it. If not shift 1-6 to get a feel from the tranny.
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