Question about 2000 Alfer VR 2000 Supermoto

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VR plugs

When do i need yo change my plugs

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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. ,,,

Posted on Nov 10, 2008

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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. ,,,

Nov 10, 2008 | 2000 Alfer VR 2000 Supermoto

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