How Often Should Motorcycle Spark Plugs Be Replaced?

1 Answers
HaileyLee
07/29/25 11:00pm
Motorcycle spark plugs should be replaced every 15,000 kilometers. Methods to determine if a spark plug is damaged: Remove the spark plug and observe its condition based on the following appearance colors. A normal spark plug's insulator skirt and electrodes should appear gray-white, gray-yellow, or light brown. A properly functioning spark plug will have a reddish-brown insulator skirt, with an electrode gap between 0.8-0.9mm and no signs of electrode burn. If the spark plug is covered in oil or deposits but not damaged, it can continue to be used after cleaning off the oil and deposits. If the spark plug is severely damaged, showing signs like blistering at the top, black streaks, cracks, or melted electrodes, the cause of the damage should be identified. After troubleshooting, replace the spark plug with a new one. Additionally, if the spark plug appears black as if smoked, it indicates the wrong heat range was selected or the air-fuel mixture is too rich, with oil creeping up.
Was this review help?
4
5
Share
More Forum Discussions

What is the process for replacing a damaged license plate?

Download and log in to the Traffic Management 12123 app. Click on 'Motor Vehicle Services' and then 'Replacement of Motor Vehicle License Plates' to enter the license plate replacement process. Follow the steps to fill in the relevant information. Once the new license plate or vehicle registration certificate is ready, it can be mailed to your home. Online replacement of license plates requires an additional mailing fee. This function is only available for replacing license plates of vehicles registered under your name. The vehicle owner must be a real-name registered individual user on the internet to proceed. If you are replacing a damaged license plate, you do not need to provide the original damaged plate. However, if you are changing the license plate number, you must provide the damaged plate.
4
2
Share

What to Do When the Car Engine Temperature is Too High?

Methods to resolve high car engine temperature: 1. When the water temperature alarm sounds, first reduce speed, then pull over to the side of the road, and do not rush to turn off the engine. 2. Do not shut off the engine immediately; instead, maintain idle operation temporarily to try to cool it down. 3. Put on gloves, place a folded wet cloth over the radiator cap, and gently unscrew the cap slightly to allow steam to slowly escape. Once the radiator pressure drops, add cool water or antifreeze. Below is related information about car engine temperature: Common causes of high water temperature include: 1. Insufficient antifreeze in the engine cooling system, which may be due to leaks in the engine, such as water pump leakage, damaged pipes, or radiator damage. 2. A faulty thermostat in the engine cooling system causing high water temperature. If the thermostat fails to open, coolant flow within the engine is obstructed, leading to overheating. 3. Malfunctioning cooling fans in the engine cooling system, resulting in poor coolant heat dissipation. This causes the water temperature warning light to illuminate and the coolant temperature to rise. 4. A faulty water pump in the engine cooling system, where the pump does not rotate smoothly, leading to poor coolant circulation, triggering the water temperature warning light and high coolant temperature.
14
1
Share

How to Clean and Maintain Leather Seats?

When there is only some dust, wipe with a damp towel and then dry with a dry towel. You can also use a long-haired brush in combination with a vacuum cleaner with strong suction. For surface stains, spray a universal cleaner on the surface and then wipe it. For severe grease stains, you can use a leather cleaner in combination. For deep cleaning, use a steam cleaner to thoroughly remove bacteria and odors from within. To prevent leather products from fading, aging, hardening, or cracking, and to restore their luster, use leather care products for maintenance.
18
2
Share

How to Remove the Wiper Blades on a Mercedes-Benz C260L?

First, lift the wiper arm, raise the small cover, and pull down the wiper bracket. Fold it up 80 degrees, then remove it. Push the wiper blade in the direction of the car's front. When the wiper arm swings to a certain position, it will automatically lock in place. Press the wiper's release button while gently wiggling the entire wiper blade upwards to remove the old rubber blade. Open both sides at the bottom of the wiper blade and remove the wire clip. Note that the clip has a groove that must align with the protruding part of the wiper. Next, release the two clips securing the wiper blade and pull out the old rubber blade. Be careful with the force when removing the middle connecting mechanism and the side clips.
20
2
Share

How to Turn on the Heater in an Older Buick Excelle?

First, you need to press the brake pedal and start the engine. Then, turn the key to the ST position to start the engine until the idle speed stabilizes. Next, turn the fan speed knob. Rotate the temperature mode knob to the left to activate the cooling mode. Rotate the temperature mode knob to the right to activate the heating mode. Press the A/C switch to turn on the compressor. Press the recirculation button to activate the interior recirculation mode. To adjust the fan speed, click the fan blade icon on the air conditioning panel to increase or decrease the airflow.
12
5
Share

How Often Should Vehicle Antifreeze Be Replaced?

Vehicle antifreeze should be replaced every two years. This is only a reference interval; for commercial vehicles with higher mileage, the replacement interval should be shorter. Since driving conditions vary for each vehicle, the replacement should be based on actual usage. Check the antifreeze's condition—if it is insufficient, replenish it promptly. If suspended particles, sediment, or signs of deterioration or discoloration are observed, replace the antifreeze immediately and flush the system. Procedure for replacing antifreeze: Before a complete antifreeze replacement, conduct a thorough inspection to check for leaks or cracks in all pipes, with particular attention to the five-way hose. The five-way hose, named for its five connection points to various components, distributes antifreeze to different parts of the car. If any leakage is detected in this section, replace the hose or reseal the connections as needed. Drain the old antifreeze, then flush the fluid channels with clean water. Add water to the antifreeze reservoir and continue filling until water flows continuously through the engine cooling system. Start the engine and let it idle for 3 to 5 minutes to circulate the water. Initially, the discharged water may appear slightly pinkish—keep adding clean water until it runs clear. Remember to disconnect the heater hose and drain the heater core completely. About an hour after draining, add new antifreeze through the radiator hose to allow quick flow into the radiator. Then, fill the antifreeze reservoir with another bottle until it is nearly full. Run the engine for about 10 minutes; as air is purged from the cooling system, the fluid level will drop. Top up the antifreeze to the "MAXT" mark on the reservoir.
15
3
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.