Using thicker motor oil in a motorcycle can have several effects, both positive and negative. The impact of using thicker oil depends on factors such as the motorcycle's design, engine specifications, operating conditions, and the specific oil viscosity you're comparing.
Here are some potential outcomes of using thicker motor oil in a motorcycle:
Increased engine protection: Thicker oil generally provides better lubrication and can offer increased protection for engine components, especially in high-stress or high-temperature conditions. It can create a stronger oil film between moving parts, reducing friction and wear.
Reduced oil consumption: Thicker oil tends to have a higher viscosity, which means it flows less easily. This can help reduce oil consumption, particularly in older engines that may experience higher oil consumption due to worn seals or piston rings.
Enhanced sealing: Thicker oil can have a higher viscosity and may help improve the sealing properties of gaskets and seals in the engine. This can potentially reduce oil leaks in some cases.
This can result in reduced fuel economy and possibly a slight decrease in overall performance.
Impaired cold-start performance: Thicker oil takes longer to flow and circulate during cold starts, which can lead to delayed lubrication and increased engine wear during initial startup. It is crucial to use the recommended oil viscosity for cold weather conditions to ensure proper lubrication at startup.
Restricted oil flow: Thicker oil may have difficulty flowing through narrow oil passages and tiny clearances in the engine, especially in high-revving or high-performance motorcycles. This can affect the oil's ability to reach all the necessary engine components and may result in inadequate lubrication.
It's important to consult the motorcycle manufacturer's recommendations and specifications for the appropriate oil viscosity to use in your motorcycle. They typically provide guidelines regarding the suitable oil viscosity range to ensure optimal engine performance, protection, and longevity. Additionally, consider the operating conditions, climate, and the specific requirements of your motorcycle when selecting the motor oil viscosity.