Hello everyone I’m new to the forum! So I bought a 2003 400ex from a buddy of mine and I wasn’t sure the last time the oil was changed, so I changed it with 10w-40 mobile 1. So the next day I ride it and it runs great, shut it off and go to restart it and it sounds like the started is locking up.. Eventually I got it started again and it runs great. Parked it and let it cool down. And it fired right up, try again and the starter sounds like it’s locking up again. Not sure if changing the oil could cause this.. Thanks in advance

Hello everyone I’m new to the forum! So I bought a 2003 400ex from a buddy of mine and I wasn’t sure the last time the oil was changed, so I changed it with 10w-40 mobile 1. So the next day I ride it and it runs great, shut it off and go to restart it and it sounds like the started is locking up.. Eventually I got it started again and it runs great. Parked it and let it cool down. And it fired right up, try again and the starter sounds like it’s locking up again. Not sure if changing the oil could cause this.. Thanks in advance

Hey guys, been looking around for a few mods for my 2014 550 the last few weeks and stumbled upon this site. Found some great info so decided why not join.. looking forward to seeing what new stuff I can learn from GC..

I was googling for answers on some troubles I’m having with a used Rancher I recently bought and this site kept coming up with lots of good information. Sounds like good people, so I registered and here I am. This is the first ATV I’ve ever owned and I’m anxious to get out and ride.

I bought a 2012 Rancher TRX420TEC for a very good price with very low miles and low hours, almost too low. Having issues from it sitting. I’ll be looking for the correct forum to post my questions. Thanks!

happy new year guys regards welsh boy from the s.wales united kingdom
currently riding grizz 660 :banana:

First ATV in 20 years. Already added 12 LED light (not in picture) and looking to put on ITP ss212 wheels and new tires. Any tips on tires (trail riding, snow plowing, and a little street riding) Also, looking to do a 2" lift with 26" tires. Will this tear up my rancher??? Brand NEW 2014 Rancher

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HI EVERYONE NAME IS MRS DAWSON FROM WILMER TX SMALL COUNTRY.MY HUSBAND AND I HAVE SEVERAL ATVS WE KNOW NOTHING ABOUT THEM.AND I USUALLY GO DO RESEARCH BUY PARTS FOR HIM TO DO REPAIRS.WE HAVE 3 BOYS 3 HORSES AT HOME.LOL.AND ALLWAYS HAVE MECANICAL ISSUES.WE LOVE TO RIDE ATVS AND MY HUSBAND USE THEM ON HUNTING TRIPS.THE BOYS RIDE ALL DAY LONG.WE ALSO TAKE THEM ALONG ON TRAIL RIDES FOR FUN RIDES.

Hey there – I’m new to the forum. Looks like a nice place so thanks! Would love a link, thread or any insight to my Atc 70 issue if possible-

She’s a strong runner and bigger sprocket. But won’t start unless fresh new gas and plug. Then that only lasts a few days or maybe a few weeks tops.

I had the dealer tune it up once or twice in the past – not sure to what extent but I think they worked on the timing chain ? I don’t know what really and I’m petty much unfamiliar with the mechanics of these. But, I enjoyed pulling the carb, cleaning it carefully etc. Seemed to help for a little while.

Few thoughts might be…
– bad gas these days
– bad stabil in the gas or not enough ?
– bad jetting
– air screw mixture (that helps a little when I try to dial that in but I’m guessing)
– bad plug gap? They foul pretty quick
– get some oem carb Kit and replace o-rings and jets?
– drain the gas each time since we don’t use it very much

Thanks guys. Happy new year

Deano

Past Hondas
3- ct70’s, atc185s, 250R, Valkyrie, element,
Would love a fury or rune one day and my 250R back 🙂

Good evening everyone!
New dude here from Ontario and new to atvs. Can’t wait to get my machine in a couple weeks.