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  1. Repair & Maintenance
    Hey guys/gals long time reader, 1st time for a post as this is the 1st time i couldn't find my answer in existing threads so here goes... I've got an 04 300ex, owned it since new, bikes still pretty mint, original everything except all the typical bolt-ons(Umi CDI, FMF full exhaust, k&n filter...
  2. Repair & Maintenance
    I recently picked up a 2006 300ex that sat for 2 years. It ran when I picked it up, cleaned the carb, made sure all the carb adjustments were in spec and it ran perfect. I rode it for a day, all was good. Took it out yesterday for a few hours was running fantastic then it randomly lost power as...
  3. Repair & Maintenance
    I need some helpppp!! I'm trying to bypass the reverse inhibitor on my 300ex because I think it's stopping power from going to my coil. I could be wrong . I have 12v to the reverse switch wire but not to the neutral. I was in neutral so if I was reading it right I believe my neutral wire...
  4. ATV General Discussion
    Sorry for this thread again i know its been up here alot .. So I'm workin on a 300ex rn , when I bought it the guy had replaced everything eletrical but the solenoid. I went ahead and replace it ran some more test I'm getting 12v everywhere. To the cdi, reverse unit, switch . Everything seems...
  5. Repair & Maintenance
    My 300ex would lose spark and regain spark just to lose it again permanantly. It cranks over but doesnt start. I have replaced the cdi box, voltage regulator, stator, pickup coil, and from what i tested i believe the ignition coil through the spark plug cap is good. There is 12 volts getting to...
  6. Repair & Maintenance
    I recently bought a 2007 300ex that supposedly has a 330 kit on it. Can you take off the 330 kit and go to a 76 mm or stock bore and piston? It also smokes real bad on start up and idling, I haven't had a chance to right it around to see if it goes away. Is it possible for a 330 kit to go back...
  7. Repair & Maintenance
    Alright guys I've had my 96 300ex for a while now and done a ton of upgrades to it spectrum air filter no lid , 330 big bore kit, kibble white racing valves, stage 1 hotcam, DG exhaust and it's got a keihin carb on it and I've been recently working on tuning it to my most recent mod (hotcam)...
  8. Repair & Maintenance
    I picked up a 300ex for around 350 bucks and it dident run. It was out of time so I set it back in time and it ran great. Then after riding it for a little bit it jumped time and got weak spark at the exact same time. I replaced the coils and it regained spark but I still cant figure out why it...
  9. New Member Introductions
    Picked up a 300ex. No spark, but turns over. I grounded out both the reverse switch and the neutral switch at harness near battery. Engine starts, but doesn’t rev up. Seems to be limited, like it’s in reverse Limited mode. if I unground (open) the reverse switch off, it doesn’t turn over. Same...
  10. Honda TRX
    My start button stopped working half way through a ride today so I started rom the solenoid and fired right up. later on during the ride I wiggled the wires by by the headlight and the button started working again, but the next stop it didn't work again. -My neutral light doesn't come on...
  11. Honda TRX
    when I first got my 300ex it would start right up with no issues, but either the temp got cooler or something else because all of a sudden it just wouldn't start, I could push start it and it starts fine but still needs like 10 minutes before it will idle, I cleaned the jetting and the valves...
  12. Repair & Maintenance
    Hey I just bought a 300ex from my uncle for 700$ in payments I think I got a good deal idk but it only starts when you push it and start it in second it sounds like it wants to turn on with the button but doesn’t only turns on with the button when it’s warmed up any suggestions?
  13. Repair & Maintenance
    Hi everyone, I'm brand new to the forum. I'm trying to solve a problem with my girlfriend's 2005 300ex. Some history for the quad. Rebuilt top end about 3 years ago prior to purchase. She has never changed the oil once. Double checked by a trusted friend. Recently it started losing power and...
  14. Repair & Maintenance
    Just wandering if the ignition switch from a 300ex will hook up to a 400ex?
  15. ATV General Discussion
    Hello everyone, new to forum but have been reading on here and other forums for weeks for help and info on the issues I am having and still no luck. The bike is 2005 trx300ex I bought for my girl friend to ride. Ran decent when I first got it except previous owner had sprocket welded to output...
  16. Honda TRX
    I have a 2001 Honda 300ex when I get on the gas it cuts out and I can’t figure out why I was thinking maybe the carburetor?
  17. Honda TRX
    I'm in the process of building a 1992 250x and just had an older set of Works triple rate shocks rebuilt. I'm now in the process of powder coating the springs and wanted the Honda communities opinion on what color the springs should be. The frame of the bike is orange and pretty much everything...
  18. Honda ATV Schematics / Manual Help
    Anybody able to provide this? Picked up a 95 300ex that had the starter wired wrong and fried all the wiring. Everything is ripped apart and I don't know what goes where nor can find any information about wiring schematics for it. I can take a picture so somebody can tell me wtf to do lol...
  19. Repair & Maintenance
    I had recently noticed my battery not staying charged on ride due to it dying several times and became to think it was the stator or regulator so I replaced both of them. I’m still currently having this issue and don’t know where else to look....
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