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  1. Honda FourTrax
    I’ve got a fourtrax 300. I recently replaced the carb. When I did, I had a really tough time getting the choke cable installed on the carb. It starts right up, but is immediately running at wide open throttle. I made adjustments to the throttle cable with no change. I assume it’s the choke...
  2. Honda FourTrax
    Hi all. I'm looking to buy a new carb to replace my oe cracked one. But the only time I see a direct fit on Amazon the cap is a bowl and not flat like the oe.. when I find one that identical in every way the description says its for big red 250. This is the same carb is it not? And if so will...
  3. Honda TRX
    Hello I’m new to the sports quad scene I had a recon but got a 400ex and I’m having a weird issue I had bought a new carb off Amazon (I know people say they aren’t good) but it will idle fine when the choke is all the way down but when the choke is all the way up it dosent wanna idle I have a...
  4. Honda FourTrax
    Got a 93 trx300 4x4. Have done a lot of work including top end and carb for the engine. This thing ran great after the carb and the top end then sat for a while. Now it will surge under throttle like it hits a limiter. Here's what I've checked: Timing is good Carb is clear, bought from rocky...
  5. Repair & Maintenance
    I have a 2004 400ex. It has a White Brothers Full Exhaust. I have a uni foam air filter on it with the air box lid on. Carb has a 155 main and 42 pilot jet. Everything else is stock however I have the air/fuel mixture at 3 turns as it runs better there than any other position I tried. Everything...
  6. Repair & Maintenance
    I have been working on this Atc 200s and it just won't keep running right. I've completely went through the carb piece by piece and cleaned them, ran some gas through the tank to make sure nothing was in it, and messed with adjustments and throttle. When I run the machine, it runs great for a...
  7. Repair & Maintenance
    Alright here goes another one lol. I just rode my 200s 3 wheeler and it started to shudder and cut out. So i pushed it back home and when I got home I messed with it a little and got it started again. I can't get it to stay idle even when I adjust the idle screw either. Think I could just...
  8. Repair & Maintenance
    ‘00 TRX400EX cannot figure out what the carb’s issue is. Cleaned thoroughly, tried moving jet needle position, adjusting pilot, etc... Upon starting, take off is rough. Cutting in and out, until second gear; then it’s actually able to get gas~then in third, it’s fine. Smooth and not temperamental🙄
  9. Repair & Maintenance
    Hi I have a 400ex that I recently put a 2005 450r carb on. It runs good awesome throttle response and power but I have one problem. At wide open throttle it pulls hard almost all the way to the rev limiter but when it's almost there it dies and is really hard to start again. It runs good for...
  10. Repair & Maintenance
    Hi I have a 400ex that I recently put a 2005 450r carb on. It runs good awesome throttle response and power but I have one problem. At wide open throttle it pulls hard almost all the way to the rev limiter but when it's almost there it dies and is really hard to start again. It runs good for...
  11. Honda TRX
    Hello all. New person here. I have a 2008 400ex that I recently put an hmf slip on exhaust on along with a uni air filter and removed the airbox lid and snorkel. Hmf recommended a 42 pilot jet and 175-180 main jet with this set up. After installing a 42 pilot and 180 main I adjusted the mixture...
  12. Honda ATV Schematics / Manual Help
    So I bought an '06 TRX 350 FE, Previous Owner replaced carb with Amazon unit, he's looking for the original carb, in the meantime most vacuum lines are pulled off so I'm looking for a vacuum line diagram, downloaded the factory service manual but can't find anything showing the vac lines. I...
  13. ATV General Discussion
    I just got a 2013 TRX400x So I clean the air filter And re-oiled it and went on a ride ,I ran out of fuel (don’t know if that has anything to do with it) and when I got home I put gas in it and Went on another ride, but now it’s backfiring whenever I let off the throttle. So need help to figure...
  14. ATV Media
    I just bought a slip on from hmf and I bought the rejet kit with the intention to rejet the carb myself but after looking at the kit I dont think it comes with a needle jet and it has 3 bronze screws I dont know what they are. I see the main jet, the idol jet and the set screw I attached a...
  15. ATV General Discussion
    I have a 2003 xr100r that run with a super high choke idle and it bogs after 1/4 throttle without choke . I can adjust idle while choke is off but when the choke is on I can’t get idle to lower down no matter what I’ve tried .i know it’s suppose to be a higher idle with choke but I can only let...
  16. Honda FourTrax
    Hi, this is my second post here, first one over in the intro section... I’m working on getting my late dad’s fourtrax running. It sat for 12 years. I’ve rebuilt the factory carb. Soaked the carb body, blew out all the passages, installed new jets, replaced the choke cable, new air filter...
  17. New Member Introductions
    Got a 1982 3 Wheeler TC 185s my brother gave me and have rode the hell out of it for a year and half. (Fun fun fun) Some minor drive train problems but always started no problem. Had it out 2 weeks ago for a short dig and it died, had to walk out. Got a spark plug for it as this always fixes any...
  18. Honda TRX
    HI i have a 87 250x and i noticed it had been running funny lately. Now it wont start unless its fully choked, it wont idle at all and it will die if i don't keep the throttle way up... i took of and cleaned the air filter and i also tried adusting the idle screw thing... It worked perfectly...
  19. Repair & Maintenance
    Ok, I have a 1991 honda 250x, and i have a cobra megaphone exhaust pipe on it, with a k&N air filter, and it has stock jets in the carb. Now i was wondering what kind of jets to run with it because of the pipe and air filter. And also, it is running rich with th stock jets too...
  20. Repair & Maintenance
    Hello all, I just bought a 1986 Honda Fourtrax 200SX for $150. The only problem is it has no carb and I can not find out from anywhere on the web what the carb size is. If anyone could please help me it would be greatly appreciated. Also suggestions on what carb I should buy for it would be...
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