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.

alexcross324

YFM225 1988 Overflow Hose leak lot of gas

Recommended Posts

Hi all, my second post here :)

I got an old Yamaha 88 moto 4 and I have a problem with my overflow hose from the carb.

When I put the gas switch to ON a big amount of gas is leaking from the overflow...so I start using my quad with the gas switch to RESERVE wich is also leaking but less than in ON position.

I dont ride a lot..but in a week I empty my gas tank.

Strange.

I never clean my carb because Im new to quad world and dont have the service manual...so I need you point of view.

Thanks guys!

Share this post


Link to post
Share on other sites


Sounds like you either need a new petcock valve or the carb float is stuck low and would require a rebuild.

Share this post


Link to post
Share on other sites

Pick up a rebuild kit (Shindy, Moose, K&L are three brands readily available online), get  some wrenches (10mm, 12mm 14mm, 7mm) a GOOD #2 phillips screwdriver, a good straight blade 3/16" screwdriver, a can or two of carb cleaner (Berrymans is good stuff) and some safety glasses.

Remove the carb from the machine (2 10mm nuts at the intake and a #2 phillips on the clamp going to the airbox tube). Twist it out the LH side of the machine, use the 12 or 14 to remove the choke cable. Take it to a workbench to tear it down with the screwdrivers.

Be sure to wear the safety glasses when you're spraying the carb cleaner 'cause it will always shoot back into your eye.......

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 Chase Cook
      I have a Yamaha 350 in at once to try to fire up but won't. It's getting gas fire air and it has a lot of compression but still struggles to start check the timing it's top dead center valves are good valves are adjusted everything's working but won't fire I put my hand over the carb suck in gas and it tries to but it makes a lot of black smoke. Also when I put my hand over do you carb and tried to start it there's black black nasty stuff in the gas. So I don't know if it's trying to burn too much or what it is the gas tank clean and it anything to do with the gas it's with it firing. Took the spark plug out and it's pure black. What is dried up black not nasty corroded wet looking. Need help to solve the issue
    • By Dra O
      posted a while back - it was running at one point - I have all the plastic shroud off - it's down to frame and engine now
      -fuel pump: when line from petcock is attached, no fuel comes out other side to carb; the line to the carb is open (can blow through it); I thought when I cranked engine that the pump would spit out fuel on other side but it does not; I removed fuel pump and opened it up - diaphragm looks good - but internal areas had lotsa calcification build up - I cleaned this out and dried it good - the clear plastic pieces (?diaphragms) aren't broken - the spring w/ steel ball on end moves freely; am putting it back on tomorrow; but can anyone answer about the pump? isn't it supposed to pump fuel through it... to other side... to carb? puzzling
      -along with fuel pump: I replaced petcock 3 weeks ago (gas tank had rusty fuel in bottom - cleaned it out prior to new petcock); when I turn petcock arrow NOT to on or reserve, fuel comes out of line; when I turn it to on or reserve, fuel doesn't come out; puzzling
      -I don't know what's on back of fuel pump - it's a valve that has a hose coming out of it - looks like it goes to engine/carb - I haven't traced this out yet - what is it?
      -can squirt gas on air filter and engine will run for 2-3 seconds then stop - fuel in top of carb (under diaphragm) does same
      -it likely needs carb rebuild - will get to this - but something isn't allowing fuel to get from fuel pump to carb
      -I THINK it has a mikuni model x carb - diaphragm is ID 26mm  OD 68mm - hard to find inexpensive diaphragm, I guess because it's a model x
      -last thing - I replaced solenoid due to old one clicking; I HAVE to be charging the battery or it won't start/turn over - battery just goes dead; but if charging, it'll turn over nicely; i'm guessing it's a bad battery
      -any help appreciated - I've never owned an ATV before - inherited this beast from grandparent in-law
    • By mrfartsalot
      i have a 1986 yamaha moto 4 200 and was wondering if i could put a 350 or 300 jug and piston on it to bump up the cc?
    • By StolenATV
      1987 Suzuki LT 80 and 2007 Honda CRF 50 dirt bike stolen out of my driveway on July 4th. Anyone with info that recovers them will get $400 no questions asked.
      Thanks
      The post Suzuki LT 80 Quad And Honda Dirt Bike appeared first on STOLEN 911.
      View the full article
    • By ATVNetwork
      Introducing the 2020 Yamaha XT-R editions of ATV and Side-by-Side vehicles featuring exclusive XT-R features like a factory-installed Warn Winch, advanced suspension, special-edition paint and color-matched wheels with extreme terrain tires, all Assembled in the USA for unmatched Proven Off-Road capability, comfort, and confidence. 
      YXZ1000R SS XT-R: https://yamaha.us/yYXZXTR 
      Wolverine X2 XT-R: https://yamaha.us/yX2RSXTR
      Wolverine X4 XT-R: https://yamaha.us/yX4XTR
      Grizzly EPS XT-R: https://yamaha.us/yGrizXTR
       
       

      View full post
  • Similar Tagged Content

    • By wHarmon
      Our 1988 Yamaha Terra Pro is finally seeing the finish line of becoming our new bush hogging tractor! I've had the terra pro for almost 2 years... we had great intentions, but after removing the fenders, fuel tank, and the carb, we let it sit up. Shame on us! However, the terra pro is cranking today. We cleaned the carb, figured out what goes where and where did that screw go! She smokes like there's no tomorrow, but that's okay! The only issue right now is getting all these lines hooked back up to the carb right! There is 5 lines to hook up to this thing!! And in our moment of drinking and removing parts, we cant remember how they go back on. I've found several diagrams online, but none showing the overall schematics of all the lines! If anyone has a service manual, or any way of helping us figure out what goes where I would really appreciate it!! I can attach pictures later if it'll help!
    • By alexcross324
      Hi all, I try to find this manual in the threads but you have a lot of stock here
      Cannot find this particular manual.
      I found it for YFM200 but not sure if they are the same.
      Thanks if you could help me with that.
      Im new here so if I did something wrong, please tell me.
    • By bradleyheathhays
      Life got the best of me this year and to make a long story short my '11 Grizz 700 has a half tank of gas (w/ no stabilizer) and hasn't been started for around 9 or 10 months. I have apologized to it and promised this will never happen again, but in the meantime I'm faced with what to do to remedy the problem. Ideally I suppose I should get the tank off and drain the gas, replacing with non-EtOH gas (which thankfully I just found in my area).
      Any advice on how to get this done (draining the tank) or how difficult it might be?
    • By M0BJT
      Hi Everyone
      This is my first post and I was wondering if there is anyone who can help me solve a problem I have with my Yamaha Kodiak 400 4x4 Fitted with a Mikuni Carburetor . The year of the quad is around 1998, the reason I am not sure of the date is, there wasn't any paperwork and no details on the frame either.
      The quad had a bad leak from the carb overflow which indicated that the float needle valve was blocked or passing so I replaced this and put everything back together. The quad ran really well until I took it onto some rough ground to have a ride around, a few hours later the engine started to run really rough as if the engine was flooding. I have removed the carb again and cleaned the needle valve out and the whole of the carb just in case there where any dirt behind it. Engine now runs fine again but fuel has started to run out the carb overflow again.
      I have tried everything to try and stop the fuel leaking out the overflow but its still happening. My last thoughts where to adjust the float level and its still happening.
      Has anyone got any thoughts on the problem or could suggest whats causing the fuel leaking out the overflow.
      Thanks for reading
      Kevin
  • Recently Browsing   0 members

    No registered users viewing this page.


×
×
  • Create New...