* Pros:
- Offers good protection for older, air-cooled engines that experience high temperatures
- Provides adequate lubrication for loose tolerances found in older engines
- Readily available and affordable
* Cons:
- May be too thick for cold climates, leading to difficult starts and reduced fuel economy
- Tends to break down more quickly than synthetic oils
SAE 10W-40 Synthetic Blend Oil:
* Pros:
- Provides good protection for older engines while offering improved performance compared to conventional oils
- Better flow at lower temperatures, making it suitable for cold climates
- Offers extended protection and can withstand higher temperatures than conventional oils
* Cons:
- More expensive than conventional oils
- May not be necessary for older engines with loose tolerances
SAE 10W-30 Synthetic Oil:
* Pros:
- Best suited for high-performance, liquid-cooled in-line four cylinder motorcycles
- Provides excellent protection with reduced friction
- Withstands high temperatures and has superior flow at lower temperatures
* Cons:
- Thinner oil may not provide adequate lubrication for older engines with worn components
- May be more expensive than other oil options
