How often should you change spark plugs on motorcycle?

The spark plugs in the motorcycle should be replaced every 8000 miles to 10,000 miles (13,000 to 16,000 kilometres). In addition, the spark plugs need to be checked every 4000 to 5000 miles (6500 to 8000 kilometres) traveled. Most spark plugs usually have a lifespan of 10,000 miles.

How long are motorcycle spark plugs good for?

Motorcycle spark plugs should be replaced every five years.

How many miles will iridium spark plugs last?

NGK gives them a life expectancy of 40-50k miles. But they have to temper their projections as driving conditions and motor modifications differ. Typically we have found you can expect 60,000 to 80,000 miles on an unaltered motor. NGK Laser Iridium Spark Plugs have iridium center and a platinum ground electrodes.

How do I know if my iridium plugs are bad?

Signs that the best iridium spark plugs need replacement

1. The replacement interval is here.
2. Degradation of fuel economy.
3. Taking too long to accelerate.
4. Rough idling in the engine.
5. Misfiring in the engine.
6. Difficulty in starting the car.

Do iridium spark plugs wear out?

Replacement spark plugs made of high-quality metals such as platinum or iridium can last 100,000 miles or more in many cases, while standard spark plugs are only good for about 40,000 miles. Since spark plugs are continually firing as the engine is running, they eventually wear out.

How often should NGK iridium spark plugs be changed?

Therefore, NGK gives them a life expectancy of 40-50k miles and Denso assigns a recommended replacement interval of 30k miles.

What does a bad spark plug sound like on a motorcycle?

Backfiring is also a common sign of bad spark plugs. If you’re hearing random loud pops coming out of your motorcycle exhaust, then you have a backfiring problem. As soon as it gets to the hot exhaust header, it combusts, causing the loud pop sound.