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300ex

  1. 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...
  2. 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...
  3. 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...
  4. 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?
  5. 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...
  6. Repair & Maintenance
    Just wandering if the ignition switch from a 300ex will hook up to a 400ex?
  7. 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...
  8. 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?
  9. 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...
  10. 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...
  11. 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....
  12. Repair & Maintenance
    i need to know what the best things for me to do to get the best performance out of my 03 300ex. i just bought it and i was told it was bored has a stroker piston performance racing clutch after market sprokets n chain. i know it has after market exhaust but not sure bout everything else. the...
  13. Performance Modifications
    Well i need all the help i can get. I just bought myself a 2003 TRX-300-EX that i know very lettle about. I know that he had put a stroker piston and has been bored...but i dont know how much. It has a raching clutch and new sprokets and chain. It had FMF header and silencer.he wrecked it and...
  14. Brakes & Suspension
    Hello there, Perhaps you could help me...I am rebuilding the brakes on my 2002 300EX. I have removed all three calipers, dissassembled them, and cleaned all the pistons, seals, yada yada yada. My first question is about bleeding the front brakes. Although it does not say explicitly in the...
  15. Performance Modifications
    Alright i got my 300ex going a running good finally and i figured i would have to rejet so my brother had the stock jet out of his 400ex a 148 so just for kicks i put it in just to see how far off it would be. I did a plug check and its not far off. I have good throttle response good when i...
  16. Performance Modifications
    The bearings in my swing arm are shot. And i know its not fun at all to take them out and change them. So im looking at changing it out with a differnent one. Would a 400ex one extend it at all? Or do i have to get a 250r or 450r one? Either way it needs to be changed so i need any information i...
  17. Repair & Maintenance
    Most of you are firmiliar with my quad and what i have done for those who dont I put a new crank in it. Now i have a question. The guy i baught it off of a.k.a. my brother now admits that he had the whole motor tore apart as far as i did and he lets just say had a couple extra pieces when he was...
  18. Repair & Maintenance
    Ok i tore the whole motor down to cracking the cases and put in a crank i got out of a 2006 300ex because my rod bearings were boned. I put it all back togeather and started it up and it sounds great but when i try to shift it into gear its really hard to push down into first and it stalls...
  19. ATVs For Sale
    Im putting my 300ex up for sale pretty soon here and im really just wondering how much you guys think i could get out of it. Im really just lost about how much its worth. Its got all the seals and gaskets on the motor brand new, brand new stock bore high compression piston and rings, an amr...
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