Before i go off and try and buy a new one, does anyone have a petrol tap for an MC21 they are willing to sell, one that doesnt leak please... i have one of those already.

Email Stephenrc45@aol.com or PM me

Cheers Stephen
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If I have to take the carbs off once more...

Only 1? Heck, I got two of the leaky kind.

I am actually looking for a new one as well (tired of the leaky used kind )

Here is what I am thinking about doing, if anyone has any knoweledge about this, please chime in

From looking at parts fiche's, the early 90's CBR900RR's have a VERY close looking petcock to the NSR. The knob is a little different, but hey, I don't need that, as well as it's a seperate part#.

So I am thinking about buyinng a new 93 Honda CBR900RR fuel petcock, and trying that out.

I have taken one of mine appart, and tried to "fix" it with creating a new seal, but that pretty much lasted only a weekend. Now it's back to pissing fuel all over the place, so I don't think I am going to spend the time doing the other one.

Thanks,
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Charles Gallant

Okay, just ordered one... While have the definitive answer on Friday (hopefully).

They look pretty much the same (with the exception of the turn knob), so I am thinking it will be good. Flow rate? Guess well see how they are, but anything is better then fuel dumping all over the engine.

Charles
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Charles Gallant

If it for a MC21 ? you can use this stock Honda USA part number #16950-mw0-790. I don't know what it fits but it worked on my MC21, just have too shorten the brass tube too match yours stock MC21 so reserve will work. Look exactly like a NSR MC21 petcock.
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Why did you not just buy a brand new NSR250 MC21 fuel tap @ about £27 inc VAT and including the filter??????

Why on earth would I pay VAT for anything? I am in no way going to support some over taxed country after the founders of my country had to kick that other countries ass over just that same problem

Or the short answer, cause I'm in the US, and we no have NSR parts at our local dealer

As for stephen? Could be they didn't have an NSR part in stock, so the next best thing is the CBR900RR part.
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Charles Gallant

OK! We dont like paying VAT in the UK either but seeing as you are in the good old US of A you would not have to pay VAT
Hope the tap fits OK

Ye, I hope the 900RR fits as well. It looks the same, so it should work.

Will know more this weekend.

When you can't get NSR parts at your local dealer, you got to do something when your in a pinch.

Thanks,
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Charles Gallant

Charles, What is the part# you ordered ? Is it the same as the one I posted ? I promise you it will work and look like factory NSR.
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same part #. im also using one.

Okay, so I got the CBR900RR petcock, and it is the part # listed above (16950-MWO-790). Looks exactly the same except for the reserve tube, and filter. But that's a direct swap with the NSR parts (as stated above).

So stephen, when you get your part, it will work just fine.

Also, a little trick. You can pull the reserve tube out, and just use the filter (basically doing away with reserve). Of course for street use this may not be a good idea, but for track use, its a pretty good idea. Keep the filter in place when you do this.

Thanks,
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Charles Gallant