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.

Aidan

1984 Honda trx200 no spark

Recommended Posts

Hey

so this is my last resort. My 1984 Honda trx200 does not have spark. Note: I can’t attempt any repairs until 1/2/19

Ill break everything down. 

Pre-Issue: 

Before the problem started. I noticed the atv was having a hard time starting and would stall out often. I assumed this was because of a fuel issue and I took off the fuel tank and noticed a bunch of rust/dirt inside. I cleaned it the best I could and took the carb off and it had stuff inside and a clogged jet so I cleaned it, put on a new fuel line, and added a fuel filter after realizing it hadn’t had one in over 5 years. After that I changed over to super (fuel) and noticed it had less power. I ran it like that and kept adjusting the air/fuel.

The Problem:

One day I was riding in like 95% humidity (wasn’t quite raining but it felt like it was) and I parked it and turned it off. It took about an hour of cranking and sitting till it ran. Later that day it did the same thing except it would start. I noticed I had spark but it would ignite the fuel then just spin. 

I got it home and had been trying to find the problem when I noticed I no longer had spark. 

What I tried:

I tested the stator, replaced the spark plug wire/coil. Replaced the CDI box with a known working one. Replaced the spark plug. Also I noticed the positive to the battery had two wires going to it and tied together (see picture below) was butchered. I cut the wire off and cleaned the connection and put the wire on its own connection and attached it to the battery. After all this I still have so spark. 

Aditional notes:

I have had problems with the NGK plug not working after the first use in the past.

Also when I tested the wires from the CDI I noticed it would spike on the multimeter when I released the starter button. I took apart the CDI in my diagnosis and noticed brown rust looking stuff all over it. I cleaned it and put it back on. 

I also tested the battery and it is at 12.5V

2A18A889-EF35-42E8-86EC-4708567EEED1.jpeg

8E667B68-9633-4A78-9F1B-EF8F7E6205FC.jpeg

Edited by Aidan

Share this post


Link to post
Share on other sites


First try a new spark plug if you have had similar problems with that before. Next thing I would do is to verify that any safety switches (neutral relay etc.) if equipped, are working. Check the spots in the wire harness that ground to the frame, clean the grounds. Kill switch working properly? Ignition switch working? Lots of things to check as always lol. Good-luck and keep us updated.

  • Like 1

Share this post


Link to post
Share on other sites

I did disconnect the main kill switch and it changed nothing. I noticed one ground looked pretty rusted. I attempted to take it off but snapped the bolt in half in the process. I moved it to another spot that worked. I will check everything else when I can. 

Share this post


Link to post
Share on other sites

Replace the cdi. If there was brown stuff in it. I bet it's fried. Cdi's usually aren't ment to be worked on or taken apart.

Sent from my SM-N920V using Tapatalk

Share this post


Link to post
Share on other sites
15 minutes ago, 06kfx440 said:

Replace the cdi. If there was brown stuff in it. I bet it's fried. Cdi's usually aren't ment to be worked on or taken apart.

Sent from my SM-N920V using Tapatalk
 

I’m not talking about the actual cdi box computer. I’m talking about this (see pic)

if that’s what your referring to then sorry I  misunderstood. 

C8C37F74-AA00-41F7-8328-3DEC18C07C79.jpeg

Share this post


Link to post
Share on other sites


The voltage spike that you see is the draw on the battery when the engine is cranking. 

My guess is the pick up coil is prob on its way out. And since you have to open that cover up to replace it I would replace the stator coil as well.  Especially If you replaced the cdi with a known working one and it didn’t correct the problem.  Have a look at the rectifier ad well.   

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 Tahj
      I bought a 2003 Recon from a kid that beat it – all plastics cracked etc, When I replaced the rear brake the inside – axle, rear oil  - were clean and in good shape, so I think Honda won the kid vs quad battle.
      It shifts a little clunky (I made the adjustment) and after riding for a while I get a hot friction material smell I wonder if he used the wrong oil and if any damage was done.
    • By MarkinAR
      Couple of quick points:
      1. the Odyssey, or FL350R. This was 30 years ahead of it's time.  Fast as greased owl crap, reliable, stupid fun.  Never took off.  Fast forward to the RAZR which was just replicating the FL350R.  What would Honda have done with it if it took off in '85?
      2. Everything about the ATC.  Reliable, good power for small displacement, easy to work on, simple front to back, still running 30 years later.  My son's 185s is 36 years old and outran a 400 Big Bear the other day until it ran out of gearing and the Big Bear caught it around 50 mph.  I can dig a 110 out of the weeds and as long as it has a little compression, I'll make it run in 2 days for about $20.  Can't do that with a Yamaha 225.
      3, 1981 250R.  What happens if you stick a CR250 2 stroke in a trike?  Yeah, a death machine.  Then by '85 the 250R had a 6 speed and would do 70 from the factory.  Death Machine +2.  The 250R gave birth to the trike racing circuit.
      4. The ATC 70.  Small, quiet and reliable.  Just never took off.  Gave birth to the entire small displacement chinese quad market.
      5. 82 200ES - first Big Red.  The BR single handedly created the UTV market as we see it today in the Ranger, Mule, etc.
      6. The ENTIRE chinese quad market in front of us today came from expired Honda patents from the 80's.
      7. 300 fourtrax.  By far the most coveted 4x4 in the market right now, absolutely indestructible.  Pick one up a couple of years old, stick massive wheels and tires on it, and you have a mud machine.  Kinda like the Polaris or Can Am...but reliable.  And cheap.
      To be fair, Yamaha, Suzuki, Kawa, all picked their game up along the way and make good ATV's.  I'll leave the Polaris/CanAm discussion for another day.  While Polaris gave birth to the automatic, the reliability issues of both still exist today.  While great ATV's, I don't consider them any more than specialty machines.
       
      FIGHT ME.
      or debate...whichever is easier.
    • By Colby Calk
      I recently got a 98 warrior 350 that 'needed the carb adjusted' but the reality is it has no spark. I have a new spark plug, plug wire, ignition coil, battery, and cdi box. I checked continuity and took apart and inspected the starter/kill/light switch on the handle bar, and it all looks brand new and checked out. The key switch seems to be working properly, as when off, nothing works, but when switched on, lights and electric starter button work. It turns over fine, and as I just stated, all the lights work. I took all the plastics off and traced all the wires, and only one had a small cut in it, but it was only through the rubber sheathing, not the wire itself (the blue one coming from the stator). I cleaned some grounds, made sure both relays work, and still nothing. I pulled the stator cover and looked at the stator itself, and it looks great. No broken wires or connectors or anything. Still, no spark. I'm at a loss. Where do I go next? Any help is appreciated.
    • 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 Chris2018
      I have a 1996 Kawasaki Mojave KSF250. I have no manual on it and it has a no spark issue. If anyone could give me a hand with this or would possibly have a manual would appreciate it. 
  • Recently Browsing   0 members

    No registered users viewing this page.


×
×
  • Create New...