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Recently, my ATV (a 1997 Yamaha Big Bear 350 2x4) developed a carburetor issue where it would run rich. I took it to a mechanic who says that it needs a new carburetor. However, he was unable to find one.

Manufacturer: Mikuni Corp.
Model Number (partial):
First Line: 4WU 20
Second Line: ???42

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Is there any way I can get the full model number of this carburetor?

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  • I don't have the part number, but here's a link to the carb. Just remember, Google is your friend.
    – Pᴀᴜʟsᴛᴇʀ2 ♦
    Jun 8 '15 at 21:58
  • @Paulster2 It looks similar, but that one (at least in the pictures) has a different top to it. I'll order it and give it a try though.
    – Kaz Wolfe
    Jun 9 '15 at 17:52
  • It doesn't have to be exactly the same to work. The description for usage is spot on.
    – Pᴀᴜʟsᴛᴇʀ2 ♦
    Jun 9 '15 at 19:00
  • @insertusernamehere - Here's one. everestpartssupplies.com/products/…
    – DucatiKiller
    Jun 30 '15 at 0:56
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Here is the part number for your carb. This is for an OEM Yamaha carb.

3HN-14101-00-00

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