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I just brought home a used 2005 Yamaha Big Bear 400 4x4. It needs front wheel bearings, and a new choke cable. I think i can handle those two items. However, when i went to look at it, it ran good, shifted good, brakes all workds great, but at home when i started it, it would idle nice, but when i gave it gas it seemed like it was flooding out and would die. If i just gave it a little throttle it built up RPMs but any more throttle it began dying out again.
any suggestions why it's doing that?
I'm looking for a service manual, but forum rules say i have to make 10 posts..lol
oops...i just realized i posted in the wrong section of the forum!!
First time working with a Honda-Matic transmission. I didn't even know what I was getting into when I purchased this running beat up farm workhorse quad with black oil. I was thinking I could tear the cases apart and find the bad bearing, causing the random squealing noise when you put it into gear and give it gas. Upon opening the engine covers, I Learned about the Honda Matic automatic transmission and realized there's more than just an electronic shift motor going on in these quads. With my learning curve in major education mode, I'm now wondering two possible culprits to the squealing as I've torn the motor down and am staring at the Honda Matic transmission.
Two possible issues:
1. The bearing that is squealing is unfortunately inside the hondamatic unit hydraulic transmission which is apparently not serviceable? A new unit is $1,900 to replace it! Yikes!
2. The pull starter rope snapped and someone replaced with the wrong pull starter rope that eventually became severely worn out and the centrifugal lever/catch shows signs of wear from rubbing against the housing.
Thinking now the pull starter has nothing to do with a squealing that loud, so my attention is now on the Hondamatic unit,
Has anyone gotten inside their cases to inspect the Honda Matic transmission?
There's a only 1or 2 videos out there that are not helpful for tear down and inspection.
I understand it can't be rebuilt but wondering if anyone has looked deep enough into one to clean it out from running dirty oil? Possible identify bad parts.
I refuse to believe Honda is engineeering these as completely non-serviceable?
Thinking I will try to disassemble the Hondamatic unit m. Hopefully get into it and get all the dirty oil out and replace with fresh? Any special tools needed?
Any and all thoughts/experiences with Hondamatic units would be great conversation for me..
Just wondering if anyone knows of any ATV junkyards and their contact info. I'm up in the panhandle of Idaho and we have no sources of used, secondhand or junkyards for atv or motorcycles nearby that I've been able to find. I've heard of some pretty large ones that operate east of me and would like to know if anyone here has a recommendation or experience in this matter. Thanks in advance.
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