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QUADCRAZY ATV Forum & Community
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ATC 3-Wheeler Forum
Let's not forget about or 3-Wheeler ATC fans. Everything 3-Wheeler related!
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Recent Forum Topics
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24
98 Bayou 220 low compression
Mech, I haven't removed them yet. Planning on doing that today. -
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Clutch cover 2007 Honda trx500fe
You need a tub of vaseline too, to keep the small pars of the clutch mechanism in place, in the case, while you slip it back on. Grease works but grease has additives you don't want in the oil. -
24
98 Bayou 220 low compression
So the rings are seized in their grooves DZL ? That will do the no compression, and the oil consumption. You should free up and remove the rings from the piston before trying to use the piston for a gauge. Once the rings are off put the piston down the bore with the pin parallel to the crank and push it right to the bottom so it's starting to poke out a little, then see which feeler gauge will just go in the gap between skirt and cylinder when you force it in. The feeler will have to bend slightly to fit the wall of the cylinder, so you need to use enough force to do that, and then the feeler should be firm to tight. Try different feelers to see which is the thickest that will go in. Then turn the piston over and push the piston (lined up the same) to near the top, so the skirt is just below that lip, and try feelers to see which one fits there. The difference is the wear/taper. The piston has to be down from the top by enough to get a feeler in, but/and if you buy feelers with tapered ends rather than the half round ended ones, they will slide in far nicer. You can test valves with fuel which will creep through gaps water doesn't.. But really, it needs valve guide seals, and the valves should be lapped just to see if they are sealing and have nice width to the seat. If they are all good and don't need more than about one minutes worth of lapping to determine that, then it was a small effort to be sure, and if it turns out the seats need more lapping or even cutting, then you will have found that out for yourself without taking it to an expert who will feel compelled to recommend new seats and valves, and guides haha. By the look of the carbon, unless it's rusted from sitting I'd expect those valves to lap in ok. -
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Clutch cover 2007 Honda trx500fe
I got the housing off, I worked it from the wet clutch side and was able to free it up enough to get it off. Everything seemed to look good except the adjusting bolt I’ve ordered it and some other things, so guess I’ll be on hold for now except for cleaning the other parts up. We had snow and ice here over night. People from up north would probably laugh at how this has shut us down. Schools are closed stores closed they said they didn’t want people driving if they didn’t just have to. So I’ll try to get to the parts store tomorrow and get some cleaning solvent. There was a lot of thick oil in the housing and something that was sticky on the inside of it looked like grease. I’ll try to clean it good and clean all the oil ports out. Maybe the parts will be in by then. Thanks again for the help. -
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98 Bayou 220 low compression
You dont have to do that with the old rings, since you are putting in new rings anyway, i just always do to see how bad the old ones are. I do check the new ring gap to make sure it is within specs and if not I know I have cylinder wear. Water is not the best way to see if valves are leaking, no pressure. When ever i have one torn down this far i go ahead and remove the valves replace the oil seals and clean up the valve and seat good then lap the valves with valve grinding compound to make sure they have a good sealing surface. -
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04 Rancher TRX350TE Resurrection
You are correct. At this point I don't know if/what works or not. The screen is broken but there. -
24
98 Bayou 220 low compression
Ok Gwbarm, I will do that measurements. As far as valves go, could I put water and see if the valve leaks? Assuming that it's fully seated. Or is that not a good idea? -
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98 Bayou 220 low compression
What you need to do is take the rings off the piston put them in the cylinder one at a time and measure the ring gap it should be between 15 and 19 thousant gap. I still think you should have more compression than that even with worn rings, if broken thats a different story, i would take a closer look at the valves. The exhaust looks like it not seating correctly, could be the angle of the photo but i would check it out. They dont look bad though i have seen a lot worse -
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98 Bayou 220 low compression
Do I need to measure the wear before removing rings? -
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98 Bayou 220 low compression
To get the old rings out of the grooves you use a small screwdriver to gently wedge the ends of the ring apart slightly, then while you are keeping the wedging pressure on you tap with a screwdriver handle just next to the screwdriver on the ring. It forces a bit or ring out sideways and slightly out of the groove. You do that left and right of the levering screwdriver then use a wider screwdriver to repeat the process but working along the ring a little further out, freeing more ring.. After a while you just push on the end of the ring while tapping any movement along freeing more ring. Putting a bit of fluid on and letting the rings back in sometimes helps free them so the next levering/push/tap moves that section of the ring out readily. You just keep working around the piston working the loosened bit a bit further around by pushing and tapping the ring down in the right place so it causes a bulge out a little further around..
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