Vintage Dirt Bike Q & A
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Reed Valve
https://vintagedirtbikeforums.alp-sys.com/viewtopic.php?f=21&t=4216
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Author:  bollockybill [ Wed Jan 01, 2014 8:25 am ]
Post subject:  Reed Valve

Hi folks,
does anyone have one of these or know where I could get one or any info as to this item or other reed valves?

cheers people

Attachments:
Reed Valve.JPG
Reed Valve.JPG [ 5.26 KiB | Viewed 6258 times ]

Author:  rayivers [ Wed Jan 01, 2014 11:31 am ]
Post subject:  Re: Reed Valve

That looks like a G.E.M. reed valve to me, but I could be wrong. They pop up on eBay from time to time.

The setup below is way better, and probably way more $$.

http://richstaylordporting.com/intake.html

Ray

Author:  bollockybill [ Thu Jan 02, 2014 8:58 am ]
Post subject:  Re: Reed Valve

Is this one?

Attachments:
c6f2_12.jpg
c6f2_12.jpg [ 26.56 KiB | Viewed 6230 times ]

Author:  rayivers [ Thu Jan 02, 2014 9:32 am ]
Post subject:  Re: Reed Valve

That looks like a DH reed kit.

If you're installing from scratch, I'm sure you're aware there's a lot of work involved to correctly install this kit (intake passage mods, adding piston-skirt windows, boost port cut, etc.). If you're going to go to all that trouble anyway I'd suggest using a modern reed assembly instead, but that's just my opinion.

On page 2 of the .pdf link below is a DH installation diagram for the Hodaka 125, which gives a general idea of what's required.

http://www.strictlyhodaka.com/v/vspfiles/assets/RV.pdf

Ray

Author:  ohiomotoxer [ Thu Jan 09, 2014 12:04 pm ]
Post subject:  Re: Reed Valve

Top oneis a GEM (that pic is of my old one actually)
the bottom is a DH.

Don't forget you WILL need to put some holes in the piston for any reed to work.
I have the diagram for a 123 somewhere if you need I will look for it.

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