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Similar Forum Topics
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By jeffinotown
Hey guys and gals. I've been working on my friends 2007 big bear IRS. Unfortunately after 3 different people got their hands on it and only made things worse every time. After months of finding just crazy problems everywhere. I'm finally at the point we're its almost 100% !!! But I'm getting a short somewhere between the 4xW switch I believe. I managed to by searching the internet like a fiend, got my hands on an official Yamaha wire harness for the year and make. But I don't have the numbered component list and to be honest. After hours of going through and making everything so it's easy to reference. If anyone has a picture of the referenced components. I would be forever in your debt. I've spent hours marking up the blown up diagram so it will be easy, for any possible future repairs. Please and thank you. Here's a picture of what i have so far. Unsealed it in plastic so oil and crap won't spill or get smudged. This damn things worth it's weight in gold. Thanks Jeff 2007 Yamaha big bear 400 IRS. YFM40FBW
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By Chucksta
So.. it a weird one.. The quad surges as you go down the road. By the looks of my tracks, it's one wheel only. High range, low range, 2 wd , 4 wd.. It just doesn't matter..
You can see in the pictures the marks it leaves. That was in a straight line, with hardly any acceleration.
Any ideas?
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By jmeier1981
Ok guys Ive got a few more for ya.
TIRES:
Ive thought about getting new rubber for the wheeler it has some half worn down 25" Kenda executioners on it and Id like to get something that maybe rides a little better and does as good or better in the mud if thats an option. Any tire model suggestions? Also I would like to go to a 27" or mayb e even a 28" are there any disadvantages to doing this would I have to change anything on the wheeler to make up for the larger tires? Ive had a couple people tell me that they would be hard on the clutch.
WHEELS:
Ive seen some really nice looking aluminums but not sure they are tough enough to handle trail riding...Are they??? If so what would you reccommend, id like a little off set to give it a slightly wider stance and better stability but a buddy has a set of ITP wheels and the rear is offset a lot compared to the frnt and it looks great but hes constantly getting the back wheels hung up on trails
SNORKEL:
I see that the airbox on the brute is where a normal wheelers gas cap would be, so that being said am I good to go with water as long as it doesnt go over that point os is it not sealed up to the box? Also how about the belt and it staying dry, do I need to do anything to ensure that it doesnt get soaked and leave me stranded.
Oh by the way I love this thing the more I ride it the more Im glad I went with the powerhouse, Ive run with a couple polaris 500s 700s a grizzly 660, and 700 and a couple rincon 680s that were built and they cant touch my stock 750, although she likes her gas thats for sure i got about 50miles and Im needing a refill
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By Ulfthednar
Got others in the works.
Been years since I really played with editing software and content creation. ATV+Gopro+Davinci.
https://youtu.be/-JV-xEq9uW8
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By p5200
Hello, what is the best method for installing bearings into their race? I've set one in place and tapped it down until it was metal on metal. Is that sufficient? Surely it's not supposed to go into the race until flush? Also. does the coil spring on the seal go into carrier bearing housing not facing out? Thanks! 🙂 Seal goes in until flush correct?
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