drained a gal of fluid out of crankcase ? - Honda Rebel Forum
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post #1 of 7 Old 03-26-2019, 11:41 PM Thread Starter
 
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drained a gal of fluid out of crankcase ?

last item on my list was to change oil, a whole gal came out, thought I was changing oil in my car. smelled like gas, figure it was from when carbs were bad, since rebuilt by jacks, now no more backfiring, running smoother. big time test drive tomorrow, can`t wait.,

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post #2 of 7 Old 03-27-2019, 06:42 AM
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the floats in the carb were stuck open - allowing gas to pour through

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post #3 of 7 Old 03-27-2019, 09:05 AM
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Hopefully, no serious engine damage was done. It's a good idea to develop the habit of turning the petcock to the OFF position when parked so it doesn't happen.

Keepin' all the left over parts. Gonna use 'em to build another bike!

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post #4 of 7 Old 03-27-2019, 07:45 PM
 
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That shouldn't even be possible. I guess if the float needle valve were completely open it might. The Rebel carb has an overflow pipe, and fuel will run out of that before it runs into the engine. But it is a small overflow, and likely wouldn't have the capacity to let all the gas out from a fully open needle valve. I drain my carbs once in a while, and fill them with pure Seafoam. I use the carb vent hose, which allows you to get more in than the fuel line. I pour it very slowly, and stop when it starts dripping from the overflow. That must have been some awfully thin oil.
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post #5 of 7 Old 04-03-2019, 09:05 PM Thread Starter
 
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I also drained the breather hose, must of got a cup of gas and water out of it. all is well now

86 rebel 450
87 shadow vt700
97 vette
88 mercedes 560sl
71 cb175(just sold)
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post #6 of 7 Old 04-04-2019, 08:49 AM
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Quote:
Originally Posted by JerryH View Post
That shouldn't even be possible. I guess if the float needle valve were completely open it might. The Rebel carb has an overflow pipe, and fuel will run out of that before it runs into the engine. But it is a small overflow, and likely wouldn't have the capacity to let all the gas out from a fully open needle valve. I drain my carbs once in a while, and fill them with pure Seafoam. I use the carb vent hose, which allows you to get more in than the fuel line. I pour it very slowly, and stop when it starts dripping from the overflow. That must have been some awfully thin oil.
it happens more than you'd imagine

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post #7 of 7 Old 04-05-2019, 01:28 AM
 
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Well if it smells like gas then itís gas. Yes close the petcock when stopped even for a short bit. Had it happen in the 80s was a very expensive lesson to learn.

Thanks
Have a great weekend
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