Vendor 1 says it will cost you $50,000 and it will take 4 months, vendor 2 says it will cost you $100,000 and it will take 2 months, vendor 3 says it will cost you $60,000 and it will take 3 months. The average bid is $70,000, which what you put when estimating the cost of this task in your project budget. Vendor bid analysis can also be used to estimate the length of the task, by averaging all the durations submitted by the vendors in their bids. In the above example, the average length of the task is 3 months.
These days they both recommend every 5,000 miles and change the filter every time. And some people now say oil will last 10,000 miles, and we would protect the environment by not changing it as often. A 125cc bike engine works harder than a car. So I'd say changing it every 3000 miles might be justifiable.
No matter which type of engine oil you use, it is important to have your oil changed regularly. The standard recommended interval for an oil change is every three months, or 3,000 miles, whichever comes first. The time frame can vary depending on the type of engine, type of oil used, driving habits and climate.Check your manufacturer's recommendations for specific instructions about how often to change your vehicle's oil. At Levin Tire, we always use high-quality Valvoline oil.here are four main types of engine oil changes to consider. 1. Full Synthetic Oil Change: Synthetic engine oil is created using man-made, precisely controlled materials. Additives are used to increase the lubricant's performance, which are generally non-conventional, high-performance fluids.