Spark plugs for 650 Commmando
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By hetovi
Hello everyone.
I recently bought a Can-Am Ryker and I'm looking to customize it with some accessories. I’ve seen a lot of options out there but wanted to get some recommendations from fellow riders.
What are the must-have accessories for comfort, style, or performance?
Specifically, I'm considering a windshield and better footpegs—are these worth the investment?
Also, any thoughts on storage solutions like saddlebags or rear cases?
Would love to hear your personal experiences with any mods you’ve done.
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By Robby
Hello, I have a 2013 500 utv hisun. Was running ok and cut out while parked. Bike will not start now. It turns over, but won't fire. I have no spark and no fuel. I replaced fuel pump, ignition coil, spark plug, cdi, voltage rectifier and all the fuses and relays. Could bad stater cause no fuel because I can't hear the fuel pump priming. Any info on where to start looking for problem.
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By BernieG
I could really use some help identifying some disconnected components on a Yard Sport YS400. The first part is this pipe, which comes out of the exhaust port area or the cylinder. It looks like it had a piece of rubber hose on it, but the hose is gone, and I have no idea what it was previously connected to.
The second item is this vacuum valve looking thing. Again only one line is still attached. What is it's function and what other lines should be connected to it?
The last thing is this hose, which exits the side top of the fuel tank (not the fuel line hose) but is not connected to anything
Any help the community could provide would be greatly appreciated. This UTV belongs to a friend, and I am trying to help him get it running correctly for his kids.
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By Jhud
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By Travis
Many people have issues with the kawasaki FJ400 engine fouling out spark plugs, after working on a few FJ engines and 600 series Mule's with this issue, i can say the fix for this issue is using a slightly hotter spark plug... the factory recommends a BPR6ES NGK plug.... the Number in NGK plugs represents its heat range and somewhat odd, the lower the number the hotter the plug, at least as far as NGK is concerned. If you have a Mule fouling spark plugs try installing a NGK BPR4ES spark plug.
FROM NGK
A hotter heat range spark plug has an insulator design with a longer heat flow path to the metal shell of the plug. As a result, more heat stays in the ceramic firing end and less is dissipated to the engine. A colder heat range spark plug has an insulator design with a shorter heat flow path to the metal shell of the plug. As a result, less heat stays in the ceramic firing end and more is dissipated to the engine. For a spark plug to function properly, it must have a tip temperature high enough to burn off carbon deposits (self-cleaning) and avoid fouling, while remaining low enough to avoid overheating the ceramic firing end and pre-ignition.
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