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Re: VR plugs
If the old spark plugs are real clean you can use them otherwise put in new ones. Put all the plugs back in the engine and connect up all the plug caps to the plugs. Check the air cleaner and air box. Make sure mice or bugs haven't gotten in there and built a nest plugging up everything. Look at the air cleaner. If it's a paper type blow it off and use it until we are sure the bike will run and the gears work. Then get a new one. Paper tends to plug up, as it ages. If it's a foam one, clean it in solvent. As you clean it, rub the foam somewhat roughly. Not too roughly, just a little roughly. If the foam starts to come apart in your hands you will need to get a new air cleaner. A lot of bikes must have that air cleaner in the system. If you leave it out, the engine may run too lean. This, of course, makes you think there is something wrong with the carb. I had an old Suzuki GS750 come in once. If you just took the air cleaner cover off, it would refuse to idle. Put it back on and it idled perfect. The owner put over 60,000 miles on that bike. Ran great, but it had to have that air cleaner on. I've seen a number of different makes and models do the same thing. Sometimes, even a crack in the air box can make them run funny. I've also seen a lot of bikes where having the air cleaner on or off made no difference in their running. If your not sure, leave the air cleaner in place while you work on the engine.
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How about the carbs? Jets could be plugged. May want to put some sea foam in it first and see if it needs a good cleaning with that.
I would put a fuel inline filter on it and put fresh 91 octane gas in it.
My savage had a clogged muffler once..
1.Get your supplies ready and expose your engine
2.Unscrew the Oil Filler Cap
3.Remove the Oil Drain Plug
4.Remove and Replace the Crush Washer
5.Clean the Oil Drain Plug
6.Remove the Oil Filter
7.Remove and Clean Plastic Mesh Filter
8.Lubricate the O-ring of the New Filter and Attach it to the Engine
9.Motorcycle Oil Change - Replace Oil Drain Plug & Plastic Mesh Filter Pour Oil
10.Check the Oil Level,,
you need a micrometere or vernier caliper to measure how thick they are that how you tell how worn the clutch is. the manual will list the specificational limit (how thin you should allow them to get and how do the basket and innser hub looks like). if they have small teeth on them they are worn.,
Connect your tester to the big thick spark plug lead and crank the engine. You should see a nice big fat blue spark. If you don't disconnect the engine kill button. If there still is no spark you will need to determine if the engine has points or electronic ignition. Most (but not all !) bikes built before 1980 have points ignition. Most bikes built after 1980 (but not all !) have some sort of electronic ignition system. If in doubt pull one of the crank end covers (Usually 2-3 screws) and look ! If you have a battery and coil points system see the points page If you have a points magneto system see the Magneto page. If you have an electronic ignition system see the electronic ignition page.
check the valve clearance to see if one of the valves is tight To figure out whether it's the rings or the valves try this. Lock the crank with a wrench with the piston at TDC (Top-Dead-Center) and run some compressed air in through the spark plug hole. Make sure you have a good hold on the crankshaft wrench or the engine will spin throwing the wrench off ! Now listen. If you hear air coming out at the carb or air cleaner the intake valve is leaking. If at the exhaust pipe, it's the exhaust valve. If at the engine breather, it's the rings.
I just got a VR 2000 Enduro
but it wont start. It wont even turn when I click the starter button... no sound at all. I jumped it and rode it fine but it wont start on its own. I thought it might be the battery so I got a new one... still nothing. Any idea what the problem could be?
Someone told me water gets into the front plug on this model when it rains... would this prevent it from even making a sound when I push the button?
Please let me know what you think.
Could be the starting switch is corroded or broken. Could be the starter solenoid. Or it could be the starter itself. Maybe a blown fuse.
You really need a manual. It'll pay for itself real fast.
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.