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2010 Rancher 420 Purchased/questions

1163 Views 15 Replies 5 Participants Last post by  tbzep
Good Evening, I’m new here but had a membership years ago and remember all the help I got from shadetree and I see he’s still here which is great. I bought a 2010 Honda rancher 420. Manual shift 4wd. No digital no power steering pretty basic. Came with msa14” rims and 29.5 laws both new. Question about a few things. What are some things I can check. On site before I bought the bike I checked engine oil, rear diff, front diff oil. Rear chunk and rear driveshaft are new replaced February this year. Some things I missed over how excited I was over the bike. Front driveshaft has a pretty good seal leak and I’m having a tapping that I don’t think it’s valves I feel it’s the timing chain. I have a video of this but I’m not seeing where I can upload a video. It’s not extremely loud like one about to break but it’s loud enough. No high pitch whine upon high throttle yet either. In 2015 when I had my last rancher I did the gear reduction myself and still have that manual that covers this model if these are some things I can fix myself. Also has hmf exhaust, I 100% will have to add a Gr for this bike. The young man I bought it from said it had one but if it does it’s 18% or so and not enough. Overall the gentleman wanted 3300 for the bike and I gave him $2300 cash. Thanks everybody for the advice ahead of time and excuse the grammar errors. My career is an detective for a sheriffs office and I type enough perfection at work.


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Welcome, did you unbolt the front diff to take it off that allows you to move it forward a little bit to pull the shaft off, it should just slide back on and make sure the rubber oring on the output shaft stays in place when putting it back on
I don't think taking the tires off will help but I would take the left tire off so you can see a little better to see if you can move the diff forward more, also just checking is the shaft collapsed all the way if I remember right the end should be spring loaded. It should work the way you're going at it. Let us know what you come up with.
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