Quantcast
Jump to content

87 bayou 300 pulling my hair out

Bikerdave

By Bikerdave
in Kawasaki ATV Forum

 Share

Recommended Posts

Bikerdave Rookie

Bikerdave

Posted
Posted

Bought this bike wouldnt start gas pouring out of the carb and no spark. So after rebuilding the carb and repairing some burnt wires to the stator she fired over. Ran her for all last year. She puked out again. No spark again. Determined that the ignitor went. Replaced the ignitor and she fired back up again. So changed the oil and filter to get ready for the winter and was riding an puked again. Now I can only get it to start intermittantly after blowing out the spark plug and adjusting the gap. It will run for a bit then puke again. What I found out completly on accident is that if I leave the plug wire off a little so that the metal isn't touching inside but the rubber holds it on it will fire and run this way. But if i push it on all the way it doesn't start at all. Is my plug bad? Or the wire boot? I'm pulling my hair out here. You can hit it from a dead cold and it will fire right over but as soon as you drive it a bit it pukes. Have to pull the plug wire off a bit to get it to fire again. This seems weird. I'm not great with quads its my first one I'm more experienced with bikes. Is this indicating the resistor in the boot is bad? Help

Sent from my XT1080 using Tapatalk

  • 2 weeks later...
Bikerdave Rookie

Bikerdave

Posted
  • Author
Posted

Update* replaced spark plug and ignitor. Bike ran great for about a week. Now all it will do is idle when you go to gas it, it dies out. And the battery doesn't stay charged. I think I may have electrical gremlins in the stator. Going to test that next

Sent from my XT1080 using Tapatalk

Bikerdave Rookie

Bikerdave

Posted
  • Author
Posted

It tested good before I changed the cdi and plug but I'll check it again. The stator also checked good. But I'm starting to think one or the other or both has a heat soak issue. A short only happens after its warm. If I let the engine cool off overnight and start it she fires right over runs great for a little bit and then boom poops out again. I also noticed that the exhaust header was glowing cherry. That tells me it's running lean. Or the spark timing is off. Is the trigger timing adjustable on this like a motorcycle?

Sent from my XT1080 using Tapatalk

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.

×
 Share
Go to topic listing

  • Similar Forum Topics

    • ATVNetwork
      AMA Pro ATV Athletes Take Over Florida in Back-To-Back Events
      By ATVNetwork
      As the 2025 ATV Motocross National Championship Series (ATVMX), an AMA National Championship, got underway with back-to-back Florida AMA Pro only events, it was evident that Phoenix Racing Yamaha’s Joel Hetrick picked up where he left off last season.View the full article
    • Tinkeringreg
      Kodiac no start project
      By Tinkeringreg
      Hi my name is Greg and I just acquired a free 2000 yamaha kodiac 400 4x4 with the ultramatic transmission that does not run. I plan to get it going and use it around my property

    • Kaz
      1999 Yamaha Big Bear 350 4x4 no spark
      By Kaz
      Troubleshooting a no spark issue, was running OK, maybe a little rich, turned it off, now no spark. I've checked/ohmed out the main key switch, the start/stop switch, neutral switch, brake switch - all good. It will crank the starter, but no spark with the starter or when I try the pull start. I've checked all fuses and diodes. Swapped battery. New plug. New coil. Swapped in a used CDI - no help. Traced, removed, cleaned, reattached all grounds. Removed things like my winch from the circuits to be sure a bad relay or something was dragging it down. When testing voltages, the orange wire going from the CDI to the ignition coil shows no/very low voltage-shouldn't it have 12V on it? Sometimes I get a very weak, intermittent glow on my spark tester, but not enough to fire the plug. I've checked continuity on just about all wires in the harness. Checked/cleaned/lubed w dielectric grease- all connections, redid a few that looked old/dirty. I've checked the stator resistances, all good, but have a stator and rectifier ordered anyway, will arrive Sunday. I verified that the rectifier has a voltage output back to charge the battery while cranking - 10.5-11V, low, but expected while starter is engaged. What else can I check as part of troubleshooting? I have a Haines service manual, but the 1999 350 4x4 seems to be an odd model, there isn't an exact electrical diagram for it, but found one for another year that has all the same number of wires and same color wires, so I've referenced that. Any hints, tips or advice would be appreciated! Thanks!
    • Dumass
      '03 Honda Sporttrax 400EX Carb issue.
      By Dumass
      My name says it all. I have a '03 Honda Sporttrax 400EX with a new aftermarket carb on it that seems to be having issues. I can start it but it idles really rough and when I give it throttle it just kills the engine. I have tried adjusting the idle screw but to no avail. I am in the San Diego Ca area. 
      Any advice will be greatly appreciated. I would also like to get an owners manual for the thing too but can't seem to find a downloadable one.
    • Trent Finnessey
      400ex with 450 carb??
      By Trent Finnessey
      So I’ve got a 2000 Honda 400ex absolutely love it!! I’ve had it for about a month, I ride with bruteforce 750’s, outlander 850’s and 1000 sxs’s and I was thinking of getting a trx450r carb and a full hmf exhaust. And probably doing the air box mod too, how much power would this give my 400? Just a little different or a big difference? Cuz if it’s not much of a different I’ll just stick with my dg slip on..... thanks!

COMMUNITY SECTIONS

ATV FORUMS

QUADCRAZY MEMBERSHIP

Be a part of best online community of ATV riders and join thousands of people who love ATVs! Share your ATV photos, videos, ATV rides, get help with your ATV and more. Not a member?

SIGN UP TODAY

ADVERTISE WITH US

FOLLOW US ON

  • Automotive Webmaster
×
×
  • Create New...