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HeWasRidinDirty

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HeWasRidinDirty last won the day on February 9 2020

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  1. Ya, 90 bux for a t-stat! I remember when I was a youngin my Chevy trucks took a $5 t-stat.
  2. I may try that. But it looks like there is no gasket on the housing but rather an o-ring on the t-stat. So, it may leak a little bit while checking it out.
  3. A lil update. Warmed up the bike again and rode it around a bit, the fan came on again, but, I noticed that the upper hose that connects to the thermo housing is hot like it should be, but, the lower hose that connects to the water pump housing isn't hot. Barely warm. Maybe the stat is stuck closed???
  4. My neighbor said that his atv would light up the temp light after only 5 minutes of run time. He wants me to replace the thermostat. So, I got it here and I'm checking it out, and I've warmed it up twice and ridden it around a bit and I get no temp light. The fan works as it should. I even unplugged the temp switch right by the thermostat housing and the fan continues to run. So, that tells me the switch is for the temp light? If that is so then shouldn't the light come on when I unplug the switch? Is there another temp switch that turns on the fan? Thanks!
  5. So. thinking about this thing overnight. The cam chain is intact and the tensioner seems to be working properly. The original owner let the thing sit for about 15 years under a tarp. I was mistaken about the guy that I got it from. He did get it running for a short time, and it crapped out and he didn't figure out what was wrong with it. I'm wondering if the center intake valve stuck and got hit by the piston. I'm going to get a leak down tester today and see what the deal is.
  6. I got this 660 a couple days ago. Apparantley, and older gentleman bought in new in 02, rode it a few times and parked it. It has 500 miles and 50 hours on it. So, a dude bought it cheap, and though he could get it running just by cleaning the carb, tank etc. Well, that was done, and it still doesn't start. So, I got it from the 2 nd owner thinking I can fix it. I started checking it out, cleaned the carb (the 2nd owner let it sit for some time too) and when I crank it, it sounds like it wants to start, it might even do a little backfire but no go. It's got spark, I changed the plug, however, the compression came in at only about 25-30 psi. Damn. So, I checked the valves and the intakes R and L seemed just a smidge tight. The middle intake, tho, had a big gap that I could see with the naked eye. So, I'm wondering if somehow that valve hit the piston and bent it?
  7. I'm not kidding, but a week or so ago, at 4am I was awake (as usual) and thinking about this thing. It dawned on my to check the bowl vent tube. Yep it was plugged up. I cleared it out and away it went! Sometimes it's just a simple thing.
  8. Its a 2006. Someone had the carb apart and it looks like the beat the fire out of it. The brass float, on one side, is kinda caved in, and the little tube that is connected to the choke is bent. LOL When it starts it doesn't smoke. I took the carb apart again and it looked like the float was out of adjustment. It was binding up when it went down so it wouldn't let fuel in. I bent the tab a bit where it seemed to move a bit more freely. I put it back on and started it, gas was coming out the overflow, but it still dies out. So, I wasn't sure if it was a fuel problem or something else. So I got it to run again and kept hitting it with a small shot of ether and as long as I did that, it would stay running. So, it seems it's def a fuel flow problem. I checked on ebay for a carb, but found nothing. So...
  9. So the compression on this little quad came up to 90 psi. I squirted a little bit of oil into the plug hole and it came up to 110. Now, I'm having an issue with it not wanting to rev up. It starts ok, but if I turn off the choke it dies. With the choke on, it doesn't want to rev up. I cleaned the carb and replaced the pilot jet. Is the problem the compression, the carb, or both?
  10. Yep. What a PITA! However a cordless grinder with a cut-off wheel works wonders! Got 'er done.
  11. I need to replace both u-joints on the front shaft. I'm not sure where to even start. Do I have to punch out the bearing caps on the old u-joints to get them out? IDK That doesn't sound fun. LOL
  12. I have a service manual. I just gotta get after it and get it figgered out. The owner is starting to get antsy. It's been here about 2 months already. But, I had to send the cylinder out for re-plating, etc. Shipping these days is a crap-shoot. Mightbe 3 days..might be 3 weeks... Thanks for the input and encouragement!
  13. Its kind of a long story...but..from the beginning. I never heard this bike run. When I got it the owner said he thinks it needs a new starter. LOL. It did.....but, it needed a whole lot more. So, after doing the overhaul it would start die, start die, repeat. I had a small water leak out of the head, but I tightened down a little on it and it stopped. But, I did put a new head gasket on and no leaks so far. I tested the fuel pressure. According to the manual it's supposed to be tested while the engine is running. I didn't have the right fitting to do that. But, I could test it without starting it and I did that. The pressure went up to about 45 psi (the book calls for 46) and then it would drop off. So, I figured a cheap fuel pump would tell the story. So after the fuel pump change, same thing. I adjusted the valves, just because I hadn't done it. Then the thing wouldn't crank over. Whenever it would hit the compressions stroke, it would almost stop. So I figured I did something wrong. I checked the cam timing and I was 1 tooth off and that made the changes that I made to the valves way off. I got that straightened out. Now it would crank over, but not start unless I gave it shot of ether. So, now it's getting no fuel at all. I changed to more expensive pump, and it did the same. Now, yesterday, my wife asked about these wires and this plunger looking thing hanging down. I said I didn't know what they were, so I grabbed the plunger thing and hit the starter and it fired up! And then died. It fired up a couple times, a couple of times it wouldn't. The plunger thing didn't have any effect on it. Or the other 2 wires. So, that got me thinking that there's a short or a loose wire somewhere. I'm not sure what these 2 things are. They weren't hooked up when it came here.
  14. This 700 was run out of oil. Seized the con rod to the crank....yada yada. So, I rebuilt the engine and now it will start and run for about 5 seconds and die. I replaced the fuel pump with a cheapie from ebay and it didn't change. I replaced the O-rings on the injector and still didn't change. So, the tech at the Yamaha shop said that the most likely problem is the cheapo fuel pump. I got another more expensive one and it still didn't change things. I asked him where the power to the injector comes from and he said the CDI box. But since the thing does run a little, he ruled that out. Any thoughts?????
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