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Petcock
Posted: Sat Dec 01, 2012 2:43 pm
by WeeMan
Took my petcock off today to check it and the filter and found a small hole in the filter. My question is do the non honda petcocks which come with the filter included work properly? I have had a look at them and there does not seem to be a vacum pipe on them like the genuine honda ones? I can probably get a new filter but they are about £25 or $35 fo the filter alone and if the other petcocks are ok I may as well swop the whole lot.
Thanks Danny.
Re: Petcock
Posted: Sat Dec 01, 2012 6:16 pm
by motormike
Danny has a 1985 Honda Vision....

Re: Petcock
Posted: Sun Dec 02, 2012 2:09 am
by WeeMan
Thanks motormike. Lol I always forget that bit. Sorry all.
Petcock
Posted: Sun Dec 02, 2012 9:15 am
by curtis966
I've got a nice working petcock and filter in good condition if your interested. Off a 87 aero 50.

- ImageUploadedByTapatalk1354457695.292199.jpg (16.56 KiB) Viewed 7944 times
Re: Petcock
Posted: Sun Dec 02, 2012 10:57 am
by WeeMan
Hi Mate,
Thanks for the offer but I'm in the UK and the postage would be more than what I can get one for here. However your picture is very useful. On mine there is a thin metal pipe which the filter slides on to and then a clip and a little air filter goes on the top. From your picture there isn't one? Do I take it from this that that bit is not required?
Cheers
Danny
Petcock
Posted: Sun Dec 02, 2012 12:11 pm
by curtis966
Hmm not sure on that one. This is the only petcock I've pulled I guess. Never been inside my aeros tank.
Manual pic but I can't tell.

- ImageUploadedByTapatalk1354468270.234221.jpg (21.95 KiB) Viewed 7930 times
Petcock
Posted: Sun Dec 02, 2012 12:12 pm
by curtis966
Little bigger

- ImageUploadedByTapatalk1354468362.283643.jpg (130.69 KiB) Viewed 7928 times
Re: Petcock
Posted: Sun Dec 02, 2012 1:08 pm
by WeeMan
http://www.cmsnl.com/honda-nb50m-aero-5 ... F++11.html
Have a look at the petcock on the link above. It exactly the same as the schematic pic you posted except you can see the pipe I describe. However if the one in your pic works which it will it will explain why all the new ones I can buy dont have the pipe.

Re: Petcock
Posted: Thu Apr 03, 2014 7:37 pm
by PorterGuy85
curtis966 wrote:I've got a nice working petcock and filter in good condition if your interested. Off a 87 aero 50.
ImageUploadedByTapatalk1354457695.292199.jpg
Wouldn't still happen to have this do you? Will it fit my '85 nb50m? I keep getting ones that have the threads too large. I think they're for sprees. Thanks
Re: Petcock
Posted: Thu Apr 03, 2014 8:43 pm
by swflcarl
viewtopic.php?f=3&t=25144&start=30
Petcock threads are 14 x 100mm
I once had an '85 Aero with a bad petcock... it is not typical as you know. I gave up and bypassed it - just me - worked out fine off the float in the carb bowl.
Best Regards.
Re: Petcock
Posted: Thu Apr 03, 2014 10:46 pm
by PorterGuy85
Hmm, i'll have to research how this is done. Heard about the 11mm on/off valve
Re: Petcock
Posted: Thu Apr 03, 2014 11:12 pm
by PorterGuy85
Yup, im going with the on/off/reserve style no vacuum line. M14 equivalent to 16950-187-671
Thanks! !
Re: Petcock
Posted: Fri Apr 04, 2014 12:35 am
by Wheelman-111
Greetings:
For reasons known only to Honda-san, the petcock sizes got bigger in 1986-later. An'87 petcock won't fit an '85 tank..