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Similar Forum Topics
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By Callaway
I am trying to diagnose a no spark issue with my 02 Big Bear 400 and I am really hoping it is not a CDI. I have done the test on the stator and I believe that is faulty. I ordered a new aftermarket one from a the jungle website and it tested bad right out of the box so I am waiting for a different one to arrive from an ATV parts supplier. I started looking out of curiosity at CDI units and it seems if it is for a big bear you are SOL. Kodiaks, no problem. Big Bear. No such luck.
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By HHurks
Hi to all
Newbie here. Not new to ATVs. Look forward to learning a few new things and hope to maybe help some too.
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By Maddman200
Who agrees with me that Yamaha atv quailty was one of the best well built quailty machines money could buy, then 2007 came rolling in and they have gone to complete sh**. Cutting corners everywhere they can and made such unreliable machines
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By hunky
This old boy has been coastal so lots of rust. But when I turn the key, nothing. Green neutral light works, head/tail lights work. Was running fine when I parked it for a few months.. no issues with starter. This did happen once before (last year).. not sure what overcame it.. maybe playing around with gear shifter.. but not sure if that was what did it. But doesn't seem to do anything now when I play around with it while hitting the start button.
I did take apart the handlebar mounted start button housing and looked it over. Couldn't figure anything out there, but looked the same as when I had the problem last year. Put my probes on various wires there but didn't learn anything.. not sure how it is wired.
So this first image there is a connector with 2 wires coming from forward (the male part of connector) - one blue and one blue w/ red stripe. The blue continues down to a post near where the gear shifter enters the housing. (Second image). I was wondering about that.. I opened up the connector and the 2 wires (coming from forward) show continuity when I put my probes on 'em. Thought that was weird, but maybe supposed to be like that? I turned on the key and tested for voltage but didn't find any.
I'm just unaware of how to test for anything. Would be interesting to put 12 volts to the starter, but not sure about doing that or how. The wires going in are kind of hard to get to. I suppose I could take out the starter.. but wanted to ask if there is something easier to check first.
Thanks for looking!
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By Need-help-with-quads
So I picked up a 1995 Yamaha warrior a while ago and it ran decent with quite a bit of power, I was able to wheelie like nobody’s business, but I noticed that the air filter box lid had bunch of holes drilled in the top and hole in the side, also the air filter itself was serving no function and there was a huge rip in it. So I got a new air box and new filter and when I installed it, the quad lost all power and acted like it was cutting out for split seconds at full throttle. For reference I think it was running rich before because it would backfire a lot so I think it’s just restricting air flow, but how would I adjust to that because I tried leaning out the carb as much as I could but it didn’t seem to do anything unless I put the other airbox lid on with the drilled holes.
any help would be much appreciated
Also even when I put the old lid on, it seemed like just the new air filter gave it enough restriction that it still wouldnt run right
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