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82 Honda CM450 carb overflow
Posted: Fri Jul 15, 2011 5:46 pm
by finn747
Hello,
I have an 82 Honda CM450 and it is leaking about 1 drop of gas every second out of the left float bowl overflow. I have taken the bowl off and everything looks good. The floats are clean move fine and are in good shape.
Anyone have any ideas on what the issue can be?
Thanks,
Sean
Re: 82 Honda CM450 carb overflow
Posted: Fri Jul 15, 2011 6:58 pm
by Johnj
Hello and welcome to the forum. The left carb's float is set wrong. Or the float needle seat is dirty. It's not shutting down the fuel soon enough. So it's leaking.
Re: 82 Honda CM450 carb overflow
Posted: Fri Jul 15, 2011 7:12 pm
by finn747
Thanks, I will try and adjust them tomorrow.
Re: 82 Honda CM450 carb overflow
Posted: Fri Jul 15, 2011 7:18 pm
by Johnj
I don't think it's off by much. Good luck.
Re: 82 Honda CM450 carb overflow
Posted: Sat Jul 16, 2011 12:58 pm
by finn747
So I swapped the floats and float valve from the right to the left, the right side is still fine and the left still leaks. I will try shooting some compressed air up there and hopefully that will do the trick.
Re: 82 Honda CM450 carb overflow
Posted: Sat Jul 16, 2011 6:28 pm
by Johnj
Up where? and is it a CM 450 A, B, or C?
Re: 82 Honda CM450 carb overflow
Posted: Sun Jul 17, 2011 5:29 pm
by finn747
It is a C i think. I am going to try and shoot some air up into the float needle seat then clean it out. I'm hoping it may do something.
Re: 82 Honda CM450 carb overflow
Posted: Sun Jul 17, 2011 5:57 pm
by Johnj
Do you have a manual for your bike?
Re: 82 Honda CM450 carb overflow
Posted: Sun Jul 17, 2011 6:53 pm
by finn747
Yes just looked it up and it is a C model
Re: 82 Honda CM450 carb overflow
Posted: Mon Jul 18, 2011 4:25 am
by Johnj
Ok set your float level like it says in the book.