Vintage Dirt Bike Q & A

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PostPosted: Thu Jun 18, 2009 7:18 pm 
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Joined: Mon Dec 29, 2008 4:20 am
Posts: 8
I 've given up on my stock carb no matter what i do it floods all the time and spews gas out the air intake.

Is their a replacement or something of another bike that will fit?


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PostPosted: Thu Jun 18, 2009 7:28 pm 
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Joined: Thu Jun 26, 2008 3:20 pm
Posts: 83
I think the Mikuni VM30 (30mm) Round Slide carb will fit. But check the deminisions first.


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PostPosted: Fri Jun 19, 2009 8:48 am 
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Joined: Sun Nov 30, 2008 12:10 pm
Posts: 1010
Location: Connecticut, USA
The closest Mikuni I found was the VM27.7, which is 5mm shorter but otherwise the same as the 28mm Keihin.

For what it's worth - it took a while, but I finally managed to find some eBay 28mm Keihins that hadn't been drilled out, packed solid with dirt, or wailed on by impact drivers. When the carb is set up right, it really works quite well. The MR175, '74-'76 MT250, and '77-'84 FL250 all use the same basic carb, with slightly different jetting and needles.

Here's an MR175 carb auction, from a seller I've had very good dealings with:

http://cgi.ebay.com/ebaymotors/HONDA-MR ... ccessories

Ray

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'74 CR125M (175cc), '75 MR175, '82 RM250Z, '08 YZ250F, '14 Zero FX electric, '14 Zero MX electric, '18 Alta MXR electric


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PostPosted: Sat Jun 20, 2009 8:16 am 
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Joined: Tue Aug 19, 2008 1:14 pm
Posts: 33
Location: O,boro KY
Here's what i got on mine ;) It's a nice carb, and its cheap... if i could ever get the bike to run :lol:
http://scootrs.com/moreinfo.cfm?Product_ID=701

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-----1975 Honda MR175--------------------------------------1972 Suzuki T500 Titan------------------2003 Honda 250 Rebel

Yamaha XS850
Triumph Bonneville 650


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