Starting a motorcycle that has been sitting for years requires some preparation and cautious steps to ensure its proper operation. Here is a general guide to follow:
Inspection: Begin by conducting a thorough inspection of the motorcycle. Check for any visible signs of damage, corrosion, or leaks. Examine the tires, brakes, cables, and hoses for wear or deterioration. Look for rodent nests or other signs of infestation. If you notice any major issues, it's advisable to consult a professional mechanic.
Fluid Check and Change: Check the fluid levels, including engine oil, coolant, brake fluid, and fuel. If the fluids appear dirty, contaminated, or have separated, it's recommended to drain and replace them following the manufacturer's specifications. Replace the oil filter as well.
Fuel System: Drain the old fuel from the tank and carburetor (if applicable). Old fuel can degrade and clog the system. Clean the fuel tank and add fresh fuel. If the motorcycle has a carburetor, clean or rebuild it to ensure proper fuel flow.
Battery: If the battery is still in place, it may be completely discharged or damaged after years of inactivity. Consider replacing it with a new one. If the battery is salvageable, charge it following the manufacturer's instructions.
Air Filter: Check the air filter for dirt or debris accumulation. Clean or replace it if necessary.
Lubrication: Apply lubricating oil to moving parts such as cables, levers, and pivot points. Ensure they move freely without binding.
Electrical System: Inspect the wiring and connections for any damage or corrosion. Clean or repair as needed. Check the spark plugs and replace them if necessary.
Start-Up: With all the necessary preparations complete, attempt to start the motorcycle. It's advisable to have a fire extinguisher nearby and perform the start-up process in a well-ventilated area. Follow the manufacturer's instructions for starting the engine, including using the choke (if applicable).
Initial Operation: Once the motorcycle starts, let it run for a few minutes to warm up. Listen for any unusual sounds or vibrations. Pay attention to warning lights or abnormal instrument readings. If everything seems normal, take a short test ride at low speeds to further assess the motorcycle's performance.
Remember, if you're uncertain about any step or encounter significant issues, it's best to consult a qualified motorcycle mechanic who can provide specific guidance based on the make and model of the motorcycle you're working with.