Just bought it and found out now it needs a rebuild. Oil is blowing by the crank case I guess so it needs new piston rings. Anyone know how much this would cost and if its ok to drive the rest of the season?
Also you think its worth doing it?
It has 42000 K on it.
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Re: VR 2000 Enduro Oil blow by...
How much oil does it use? Some blowby is to be expected with older engines. Does it fog the neighbourhood every time you ride it? Does it put the entire contents of the crankcase into the airbox every 328 miles? What?
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Did you clean the bore REALLY REALLY good with hot soapy water and a brush before assembly? Need to remove all the grit from the honing process. Test by rubbing hard with a white cloth.It MUST still be white after rubbing. If not then clean it again. It will wear out the rings quickly if it's not right. Solvent will not clean it properly.
Hi Robert it is normal for a very small amount of oil to be present in the air box. Also the speed of the pistons going up and down cause crank case pressure this too is normal. But if the piston rings are worn the compression can escape into the crank case causing excess pressure which would blow excess oil into the box and it could be sucked in and burnt causing smoke. Sorry Robert for the long answer. The first thing to do is do a compression test when it's cold and also when it's hot. Then compare the two. If compression is low you will need to strip the motor and see what's needed from there. Regards Jim...
That can mean there is high blow-by internally in the engine. It can also mean an internal leak from a crack in the block, cylinder wall, piston, piston ring, ect. How does it run? I have seen some older bikes "blow" a little but keep a close eye on oil level and check spark plugs for heavy fowling.
If by "disassembling the calipers" you mean splitting them open, DO NOT do that. You detach the caliper so that you can remove the pads and get at the piston, but then what you should do is to simply pop the piston out. That can be done simply by pumping the brake pedal, using air pressure (with a rag to prevent the piston from flying around), or with a grease gun. Then once the piston is out, you simply wire brush any corrosion off. If the piston is so pitted that it can not be made smooth and will leak, then it should be replaced. If you wash them out with anything other than brake fluid, then be sure to blow out any residue with compressed air. Use lots of brake assembly lube, and ensure the new dust seal is water tight. Bleeding the brakes will flush out any remaining dust.
Check the oil level, if the fuel runs freely to the carb and runs out it may have filled your crank case with fuel. turning it over with less power than it needs will ruin the starter, battery cables and start relay. Anyhow, if crank case is flooded with fuel clean carb to remove trash,so the float can do its job.Change oil,and air filter,clean sparkplugs. OK if i took a wrong turn stay with me, check pistons for compression.If piston is cracked or the rings are bad or not set,pressure from the piston could escape into the crankcase and blow oil out anywhere.Good luck Mr.Schnot.
Intake Air Tempature sensor located around the air box on that year I think its toward the back of the airbox. But deffinatly somewhere around the airbox. Hope that helps. To identify it get a service manuals wiring diagram.