On my new to me 2011 RT, I the spark plug/coil cover pulled a Harley on a ride the other day. 95. 4.8 out of 5 stars 5. wereed, this forum is read only the new forum is on the banner above. However, the wire boots now keep slipping off the cap…usually once a day. A single spark plug will usually cost in the range of $4 to $10 depending on the type of spark plug material.But, since the amount of plugs you need is dependent on how many cylinders your vehicle has, you will need to multiple that figure by 4, 6, 8, or even 10 in some cases. I did notice a couple of times where there was a slight miss while accelerating. Tom NGK-B6 is one of the most commonly used plugs for the Chinese 2 stroke engine. The front cyl spark plug cap (the thingie you screw onto the top of the sparkplug) gets loose and then the (damn it havent got names for anything!) NGK LD05FP Resistor Spark Plug Cap. Other options New from $2.57. Click here to remove banner ads from this forum. It's nice to have neighbors who actually have practical knowledge. Get them to give you a new one if the plug doesn't have one. I am having spark issues with my 2002 Sportsman 500 HO, when i checked the spark plug boot for continuity(-from the screw that contacts the wire to the cap that fastens the the plug-)there was NO contiuity. Thanks. The spark plug end screws on to the coil wire...there is a bit of a twisted nail in the base of it. I find the stick coil backing off the spark plug when the bike warms up. Call me the guinea pig hahaha. If you do, they will be moved or deleted as they are found. When cool it seems to be nice and tight. This is a common problem after DIY tune-ups. Good luck to you. Sometimes plugs come without the screw-on terminal. It was very difficult to get the wire to break loose. That should be a dependable little sled. Do I have bad spark plugs? Attach the spark tester to the distributor end of the coil wire. 0 0. Get a small torque wrench and torque the spark plug down properly first. 4 years ago. ... bypassing the required destination of a spark plug. the super high voltages break down the varnish insulation on the coil windings inside. I have sparke as of right now, but i will probably loose it after i ride for a while. Most automobiles utilize this type of connection system. DogBunny Motorcychologist Top Contributor. Has anyone heard of any other electrical problems common to the '03 YZ250F? $6.14 $ 6. This is an unfortunate consequence of a few members' abuse of the forum. Spark plugs seal off each cylinder, so if one cracks or gets loose, you’ll hear a ticking noise. 0.400 to 0.600 ohms primary resistance and around 7k to 9k secondary winding resistance. While dielectric grease is OK when replacing the Rubber, in the case of such a critical wire that might break loose when handling the spark plug caps, I prefer the permanency of the Yamabond/ThreeBond 1209 glue/sealant. Buy Stoeger Industries parts online now at the official Stoeger Industries Online Store. Source(s): https://shrinke.im/a9lsK. Does anyone know of a good way, or where to get a new spark plug end that will fasten on securely to the coil wire so that it will stay tight and not come loose? Squealing noise from the car is the first sign of a bad distributor cap. Austin, Texas. Please Login or Register. BTW: my car is a 1.3L 4cyl 1996 geo metro Thanks in advance -stu check out the. (When I kept placing the cap on the spark plug, it fit loosely and was only making contact with the outside rim of the metal which allowed the engine to start but, due to the loose fit, vibrated off after a few feet.) At the bottom of these wells are seals. If you replace it with a good automotive quality boot the new boot will require a spark plug with a cap on the top where your current plug just has a threaded part. The fuel air mixture inside of the cylinder can build up and cause a back up. All FS, WTT, WTB threads are subject to the specific rules outlined in their respective subforum. Bikes for Sale if you look in the sparl plug cap and the ignition coil cap, you'll see a reversed sheet metal screw. If the engine has a coil-on-plug ignition system with no plug wires: Remove one of the coils from the spark plug. If these seals start to leak, the engine crank case pressure can force oil past these seals filling the spark plug wells with oil. Has anyone else noticed this and/or is this normal? Bad spark plug wires are another common cause of misfires. Google "XS650 dual coil resistance" and you should find how to check your coil. 14. $6.95 $ 6. Fire requires three components: oxygen (O2), fuel, and heat.In your engine, every time a cylinder pulls an intake stroke, it pulls in air (≈21% O2).Port-injection engines inject fuel during the intake stroke, while direct-injection engines, gasoline or diesel, might wait until the compression stroke. usually on a loose wire, if you catch it in time, you can gingerly snip a little off the end and screw it back on. A wet spark plug can indicate water in the fuel while a white residue on the plug can point to a plug that is too hot. If a spark plug is loose, major problems can insue. It's also there to keep water out. 2,588 1,457 163. How the Spark Plug Works . I checked the gas cap, air filter, spark plug, and, finally, the carburetor. Loose Spark Plug Symptoms. After 50,000 miles or so, OEM carbon-core ignition wires develop too much internal resistance, which weakens the spark and increases the risk of misfire. 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