95 250 timberwolf carb setting
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By Jdeaton011989
Hi all. I have a timberwolf 250 2nd that will not start.. I thought it was out of time bc the guy I got it from said it just quit on him. The tensioner had a nut welded to it and it was like2 teeth off. I installed new tensioner and chain and it still will not start. It has fire and it will not hit off brake cleaner. It has compression. Haven't put a gauge but I'm sure it will crank and run with what it has. I double checked my work and it's still in time. Spot on. Both valves move. I'm about to put a feeler gauge on them and I'll cone back but other than that any ideas?
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By davefrombc
1992-98 Yamaha YFB250 Timberwolf 2WD service manual
View File Service/Repair manual 1992-98 Yamaha YFB250 Timberwolf 2WD
Submitter davefrombc Submitted 08/06/2017 Category Yamaha ATV
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By BillR94
I picked up this ATV that had no spark. The previous owner said he was driving it and it died and would not start. He discovered it had no spark. He replaced the CDI and the coil with no luck. He got tired of it and I bought it. I replaced the stater and now it has strong spark. Now, it starts for a second or two then dies. It will not stay running. I have checked the timing and it is spot on. The valves are adjusted correctly. I see no warn issues with the cam. I put the original CDI and coil back on it. Same problem exists. Compression is at 65 psi (has decompression mechanism),
I took off the muffler in case the issue was clogged pipes. No change. I replaced the spark plug. No change. The carb was an aftermarket so I put a Niche carb on with no change. I bypassed the fuel pump and that did nothing to solve the problem.
I don't know if this is a carb issue or an ignition issue. I am looking around locally for an OEM carb to try out but not sure that will fix the problem.
Can anyone help me solve this problem. I am running out of ideas.
Thank you for your time
Bill
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By middlebrookgt
I have replaced the cracked stator cover on my non-running 2006 LT-F400F that I purchased recently, checked all the shafts vs the service manual and pics and advice here. I replaced missing gears, bushings and washers, made sure that truth marks were all aligned properly, that the shift cam springs felt like they returned properly, etc. IAfter installing the new stator cover I checked the transfer lever for proper movement from L-H-R and then cranked it up. Happily, it runs and changes gears well in L, but it will not shift into H or R for anything. I have opened it back up and am going back through it looking for the missing puzzle piece(s) but how can I best check that I have everything right this time before buttoning it back up?
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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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