Question edited for clarity, wild guess what ''09 1125' is?
Big End bearings definitely. Main Bearings maybe. Little End (pistonconrod pivot) bearings possibly.
Question edited for a lot more clarity. It amuses me that posters throw a jumble of words at the page, don't read what the wrote and leave it to the Experts for sort out :>D I left your text as you wrote it. 'Year Make Model' needs to be first and in that order.
Question moved from Cars and Trucks to model category.
Tires are hard work to change unless you are very strong and have good tire levers. Better to let a motorcycle shop supply the tire and change the old tire out, just take them the wheel.
Or, buy the tire and take wheel and tire to a local tire shop. They will normally do bike wheels and balance them
https://www.google.com/search?q=2007+Buell+Firebolt+XB9R+Change+back+tire
Try these checks. First you can't check compression by listening to an engine. With the ignition OFF sit on the bike as normal with the kick stand up. Put it into First gear, release the clutch lever and try to roll the bike forwards about a bike's length. If the bike rolls less than a shoe length then refuses to roll that is good compression on the engine.
Black smoke out of the exhaust suggests there was too much fuel being sent to the cylinder. If it is cranking and trying to start it suggests it is still a fuel issue. This time possibly not enough fuel. Check the fuel filter is clean. Replace it if your not sure as they are not normally expensive to buy.
Check the air filter as well. A dirty air filter can affect the engine more than you think. Try these checks and use the comment button below if you need more help.
The metal they are made of shouldn't make that much difference. It tends to be a trade off between them. Copper tops produce a better spark but they commonly only last about 20 to 30 thousand miles between changes.
Irridium plugs last a lot longer but they don't produce as good a spark.
Your problem sounds like it could be a fuelling issue. Back firing is usually a sign of a wrong fuel to air mixture. Too much or too little fuel in the mixture. Too much fuel ignites in the exhaust at the wrong moment causing a 'bang' out of the tail pipe.
When was it last given a Full Service? You could try running some Good Quality fuel injector cleaner through it.
Try this. At about half tank add the correct amount of Fuel Injector Cleaner to the tank and just let the bike idle. DON'T Rev it up as this weakens the amount of cleaner going through the engine. Let it idle for about 10 minutes to get the engine to working temperature. Take it out for a good long ride at a constant steady speed, (A freeway ride). Don't race the engine to high speeds. Let the tank run to almost empty then fill to the top with one more dose of injector cleaner. Use the bike as normal for that tank full then fill with just fuel as normal.
If this doesn't help get a Good Bike mechanic to listen to it. The actual sound can be a clue. Backfiring can also be confused with 'Popping and Banging'. That's that spitting and banging noise performance cars make when they let off the gas quickly after accelerating really hard.
It sounds like the spark plug hole in the head may be damaged. Can you get the plug out to check? Plugs should always be removed when the engine is cold, especially with aluminium cylinder heads. If you can get the plug out and the threads are damaged you can a shop to put in a Heli-Coil to repair the threads.
you can try out some guide from reliable-store
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The clicking will be the starter solenoid relay. Check your battery is good and tight as loose or dirty connections cause problems.
Follow the live wire from the battery to the starter solenoid and you will find 2 nuts, 1 at the end of the cable going into the solenoid and another coming out right next to it. With the ignition key on and the bike in neutral short across the 2 connections momentarily and the bike should turn over and might start up. If it does then the problem is with the solenoid. If it doesn't then you will need to check the wiring for a break somewhere in the circuit.
Older Buell Blast, mine, has a lever toward the middle of the seat, accessed from the wheel well. Pull the lever toward the right (front brake) side of the bike. Lift the back of the seat near the tail on both sides and pull back to slip the front tongue of the seat back away from the gas tank.
Found the above........any good?
