Quantcast
Jump to content

  • Join Today, It's Simple and FREE!

    As a member, you can post in our forums, upload your photos and videos, use and contribute to our downloads, create your own member page, add your ATV events, and even start your own ATV club to host your own club forum and gallery.  Registration is fast and you can even login with social network accounts to sync your profiles and content.

Andrew520

1998 Big Bear 350 Carburetor Difference 2x4 vs 4x4

Recommended Posts

Does anyone know if there is a difference between the carburetors in the 2x4 vs the 4x4 models of a 1998 Big Bear 350?  I was going to purchase this carb off eBay 1997-1998-Yamaha-Big-Bear-350-Carburetor-YFM-350-2x4-Carb-ATV-YFM350 but it says only 2x4 models.

 

I don't see why the carbs would be any different but mine is a 4X4 so I don't want to put the wrong carb on.

Share this post


Link to post
Share on other sites


The same seller is showing what looks like the  same  carb,  advertised as  good for  both the   2x4  and 4x4, and at the same price.  My  guess would be  the one    shown  in  your link  may have  jets optimized  for  the   2x4  model  and possibly   would result in a  lean  burn  for the  4x4 which  may  require  a  little richer  mixture for the  extra power demand of   4x4 .

http://www.ebay.com/itm/Carburetor-For-YAMAHA-BIG-BEAR-350-YFM-350-2x4-4x4-Carb-ATV-1987-1996-YFM350-NEW/361083283109?_trksid=p2047675.c100005.m1851&_trkparms=aid%3D222007%26algo%3DSIC.MBE%26ao%3D2%26asc%3D41376%26meid%3D56aec9c352384768921b96d5550b6c93%26pid%3D100005%26rk%3D4%26rkt%3D6%26mehot%3Dpp%26sd%3D191083519513

 

Share this post


Link to post
Share on other sites

Yeah it looked the same to me too but they advertise it as a 87-96 only where is mine is a 98.  I don't see the difference other than what you said about the jetting may be different on a 4x4 carb.

Share this post


Link to post
Share on other sites
On 3/5/2017 at 3:13 PM, davefrombc said:

The same seller is showing what looks like the  same  carb,  advertised as  good for  both the   2x4  and 4x4, and at the same price.  My  guess would be  the one    shown  in  your link  may have  jets optimized  for  the   2x4  model  and possibly   would result in a  lean  burn  for the  4x4 which  may  require  a  little richer  mixture for the  extra power demand of   4x4 .

http://www.ebay.com/itm/Carburetor-For-YAMAHA-BIG-BEAR-350-YFM-350-2x4-4x4-Carb-ATV-1987-1996-YFM350-NEW/361083283109?_trksid=p2047675.c100005.m1851&_trkparms=aid%3D222007%26algo%3DSIC.MBE%26ao%3D2%26asc%3D41376%26meid%3D56aec9c352384768921b96d5550b6c93%26pid%3D100005%26rk%3D4%26rkt%3D6%26mehot%3Dpp%26sd%3D191083519513

 

I have. 2003 Honda 400ex motor for sale 1100 I don't no how to post can anyone help

Share this post


Link to post
Share on other sites

I don't no how to post if someone can post this message for me please. I have a Honda 400ex motor for sale it's a 2003 with low hours my number is 7063472164. Call chris  $1.200obo

Edited by Lillie Monroe

Share this post


Link to post
Share on other sites


Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.

Guest
Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.


  • Similar Topics

    • By Brittany Jones
      Yes I just got a 1998 polaris xplorer 400 4x4. Ran fine after hauling then died. Cleaned carb and put new fuel filter, hose, and new battery in. Starts 3 out of 10 times but will only run for a short time. Any suggestions?
    • By kgrant
      Fixing up a 1998 King Quad 300. The rear brake was locked up, and the owner tried to force it free and snapped the axle.
       
      I disconnected the brake cable, and tapped on the backing plate with a soft mallet to get the brake freed up. When I pulled off the brake drum a bunch of nasty rust water came out.
       
      Once I had the axle out, I popped the boot off so I could see the inner u joint so I could phase/synchronize it with the outer. There was a flat steel disc floating around in the boot, looks like it used to be pressed into the end of the axle. Glad I got that out of there before it munched up the joint.
       
      The book says the yokes should be aligned, I couldn't get mine aligned. They were always 7 degrees off from each other. A bit frustrating, maybe that's within the tolerance limits?
       
      But I got it all back together and it runs great.
       




       
       
    • By Scott Matthews
      Just picked up a 1989 Big Bear 350 for $250 CAD. Bike was running but lost crank and spark. They've installed a new coil, a couple relays, and installed a Ford starter solenoid in place of the original. Now it cranks but has no spark so they sold it to me. Does anyone have a wiring diagram for this bike so I can test some wiring. Also any ideas as to direction to head would be nice. Lots of things have been hacked together so I know it probably wont be to easy. The ignition switch was replaced with a toggle switch, I already mentioned the Ford solenoid which 1 of the small wires was not re-installed, and a diode or something was removed from the oil temp sensor wire. I'm sure I will find more so a diagram would be amazing.
    • By JacobSlabach
      got 7 atvs off CL recently for a good price.  one of which is a yamaha warrior.  anyone know where the vin is printed on this bike?  Haha good place to start as I do not know year or size yet.  The former owner says needs exhaust ans and clutch work.  he said it ran fine until the clutch cable broke and then I couldn't get the new cable adjusted right and it would grind gears.  things I see:  clutch cable locked up again, no brakes, carb leaking (green with algae around the bowl and has gelled gas stalagtights on it), aftermarket exhaust melted the airbox so I need something different and a new air box.  I would like the use the current exhaust if I can but I have a feeling its a redneck fix as it looks like there is an ace bandage holding it to the exhaust pipe (its an aftermarket slip-on exhaust), so I'm not sure about that- lets get the bike running first.  also, battery (looks brand new, what a shame) is dead, 0 volts.  Otherwise, bike looks to have not been wrecked, and plastics are ok (it sat outside under a 'tarp' for 3+ years since it was run last).  any tips and advise on where to start first would be awesome as this is my first clutched bike (manual).
      the clutch is my main concern- I've never rode a clutched bike so I dont even know what its supposed to feel like.  lol I'm spoiled on my automatic polaris 
    • By Derrick Lenz
      So I bought a brand new carb that was set and everything. Put it all together and it runs and idles good. The downside is the bottom of the bowl is leaking fuel not a small leak either. I bought one previous and it was a cheap one and it leaked as well so I figured I'd spend the money and by an OEM one and it still leaks. Should I send it into the mechanic and have them adjust the float? I mean for a new carb I was kinda disappointed. Any help would be great! Thanks in advance.
  • Recently Browsing   0 members

    No registered users viewing this page.


×
×
  • Create New...