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By Chris Simpson
Got a 99 or 2000 bayou 220. Its started making alot of noise, then the starter would spin freely. Took it apart and determined the three bolts in the starter clutch had sheared. Installed the new starter clutch and in the process, not realizing that Japanese motors turn counterclockwise, I turned the crankshaft clockwise about a half revolution so that the key holes would be on top of the crankshaft for easier installation of starter clutch. I get everything back together and try it. The pressure is so great that its very hard to pull with the pull start, the electric starter turns it over but it struggles greatly. A key issue could be this. When I engage the choke the starter will barely turn it over and you can't pull start at all because there's so much pressure. Like the back pressure cant be released once the carburetor is choked. I'm pretty sure by turning the crankshaft clockwise I screwed something up but I cannot figure out what it is. If there's anyone that can give some advice it will be greatly appreciated.
By Dwight Williams
Ok, so I bought a 2006 bayou 250 for 200 bucks, kid couldn't start it and had no idea why it wouldn't run, I pulled the rope and felt what I thought was valve to piston contact, he wanted 500 and I talked him down to 200 and brought it home. Sure enough, timing was way far out, timing chain incredibly loose. So for fun I re-tensioned the timing chain and re timed it, got about 120lbs of compression, pretty low. I cannot get the chain very tight but the the tensioner seems to work fine, the chain guides don't look very worn. Also, when I took the head off the valves don't look bent and the piston has no discernible marks on it. Is this an interference engine? I sure thought I felt some contact with the pull rope but maybe no permanent damage was done? Anyway, I plan on doing a full top end job as well as timing chain tensioners and hopefully that'll cure it. Is there any reason other than chain stretch (I measured it and it's ok) or guide wear that would cause the chain to be so loose? Thanks!
By Dwight Williams
Hey everyone, I've been scratching my head over this for most of the day. I bought a couple of Bayou 220's, got them running (they've both been sitting), and started tweaking and fixing small things. One of them is mostly done, the other had an aftermarket carb on it and I've been trying to sort that out.
Anyway, while adjusting the carb it died a few times, I restarted and moved on until it died and wouldn't restart. I figured maybe I'd flooded it or something - after further attempts I realized I had no spark. Since I have two identical machines I have many parts at my disposal. I've swapped the CDI, spark plug and coil with no luck. I have good resistance readings from the stator and pick up (135 and 110 respectively), I don't have a peak voltage meter but I measure around 53VAC on the stator when cranking. I have a 4 wire stator, not an alternator like the newer ones. Grounds look good, I've checked the kill switch by verifying that it and the ignition switch grounds the black/yellow wire to the CDI. I can turn the engine slowly and see the pickup short the meter as well, seems normal right? So far everything I've checked looks the same on both machines. I've got the service manual and wiring diagrams. Do these readings make any sense? I'm obviously missing something but I'm stumped. thanks!
By Daniel Gibson
Working on a bayou 220 that has been ran extremely hard it's whole life. Literally had almost an inch thick dirt/oil covering the motor. Yeah that bad. Surprisingly it runs though. I cleaned the carb and tank multiple times. They're clean enough to eat off of. Readjusted valve lash and set timing. Was about 3 teeth off. It cranks good and runs good only problem is I have to cover the carb intake basically choking the hell out of it for it to start. The com choke works fine. It does this each time I start it regardless of temperature both ambient or motor. Wth? Compression is at 115psi I get 130s if I put a little oil in the piston chamber. Please help. Thanks
By Mike Johnson
Does anyone know what the 3rd item is behind the battery on this ATV ? I know 1 is the, solenoid1 is the CDI box, what is the 3rd.
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2011 Grizz 700 here and so far the only thing I've been told about replacing my coolant is that I should put the same color stuff back in that came out. But other than that nothing specific. A search through both the service or owner's manual gave no coolant info other than capacity. Here's a comparison of the old and the proposed new...
The stuff on the left, what's coming out, is a blue-green. I'm second owner and only put about 75 miles on the machine, so I have no idea how old this coolant is.
Stuff on the right is the new coolant the guy at the car shop suggested, and is more of a pure lighter translucent blue. It's Pentofrost NF, whatever that is. He said it's what's recommended for European, including BMWs. Here's the bottle...
1) have I found the right coolant?
2) does this stuff need to be diluted? The bottle says it's 'full strength.'
ok I just picked up this bike and the guy that had it cut a bunch of the wires.... so what I need is to know what wires coming out of the CDI hook up to just so I can get it to spark both the key and kill switch wires are gone I dont need it to be 100 just need to know if it will fire... this is what I have...
thank you for your help
Hello! I am new here and I need some help from the experts. My 9 year old son was given an adult sized 4 wheeler for Christmas. He has never ride one and has never taken a training course. Of course, I just found out about this but was never consulted about him getting this, either.
Anyways, he was able to ride it this morning and has never had any safety training and honestly, I am petrified he is going to get hurt. It will happen, it's just when.
I am in the state of Indiana and the law states you must be 14 years old to operate unless there is direct supervision of an 18 year old or other. What exactly does "direct supervision " mean? Is rhis within site of the person riding or is it someone that is ON the ATV?
Also if there are ANY SUGGESTIONS you guys can give me regarding this it would be helpful.
My son is only 9 and a very immature 9 year old at that. I feel he has no business being on this without proper training but apparently that isn't as important to some people.
Also, if there is anyone in the state of Indiana on here that can tell me the rules that would be awesome.
*in addition* the 4 wheeler is for an adult. My son is only 4 foot 9 and 65 pounda. He's tiny. I am afraid he is certainly nowhere close to having the weight to control this machine.
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