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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 HeWasRidinDirty
I rebuilt the carb on said machine. When I hook up the auxiliary gas tank it runs fine and everything is cool. When I put the fuel tank on and hooked up the lines, it completely flooded the cylinder and even about an inch of fuel in the air box. I'm pretty sure that it comes from the little hose on the petcock and hooks to the top of the carb. WTH is that even for? I mean the thing runs fine on the auxiliary tank, so idk And on the petcock when it's in the "on" position, I get no fuel. The petcock from the bike I took it apart and checked out how it operates. The sharpie marks indicate how it really works. Now the other petcock w/o the sharpie marks is an old one that was leaking that I removed from a Polaris quad. It's exactly the same thing, except the small hose and nipple have been removed. I'm so confused, LOL
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By jeffrocdx
I'm working on a 2002 Polaris Sportsman 400 with shift indicator problems. The indicator panel only will show Neutral and Reverse. If it's in High or Low, the indicator will show "R".
I have replaced the three position indicator switch on the transmission. There is also a two position switch on the tranny that I didn't replace. If anyone is familiar with this problem, please let me know what I need to do. Any help is greatly appreciated!
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By digrig
Hey everyone,
I’m having an issue with my 2021 Polaris Sportsman 570 – the engine keeps stalling after running for about 10–15 minutes. I’ve checked the air filter, spark plug, and fuel lines, but can’t seem to find the root of the problem. It starts up just fine, but then loses power suddenly.
Has anyone experienced a similar issue with this model/year? Would appreciate any advice or troubleshooting tips you’ve tried that worked. Thanks in advance for your help!
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By alexwv1863
I'm currently working on an 04 Suzuki Eiger 400 and ran into some issues. Main issue being it's really hard to start. Once I get it started, it runs bad. Sounds like it's missing, which I'm pretty sure is an idle issue. It's not my 4 wheeler. I'm working on it for a buddy. Someone started working on the original carb and 2 jets were missing when I got it to work on.
So, I ordered a new carb. To get it to run, I had to adjust the throttle screw on the handle bar almost all of the way out. Even doing that, it still sounds like it's bogging down and missing.
I did put a gas filter on it, which I'm questioning whether or not that's the issue and it's not getting enough gas like it should. The petcock only has an On, Reserve, and Prime option. It also has 2 ports. I guess I have the hoses hooked up right. There's no way to shut the gas off completely, and also it looks like there's no gas getting thru unless I run it on Prime. Reserve drips gas. I'm going to take it apart today and clean it. I'm also going to take the jets I need out of the new carb and put in the old one.
I don't know what all this person did you the 4 wheeler before I got it. There's odds and ends missing that I've noticed so far. What else can I try or look for? What could be the gas issue with the carb and petcock? The carb was completely off the bike except hanging onto the throttle cable. The diagram I found for the carb doesn't help me with hose placements. Any help, or questions would be appreciated. I can attach photos if it would be of help.
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