That is a good question! As a good rule of thumb we would recommend going ahead and changing the oil, then keeping detailed notes every time you ride it as to how far you are riding the motorcycle. Without a gauge this would be the most detail oriented way to keep track of how many miles you are putting on your bike between rides.
Nice. Good to know. My 75 cb360 has been stripped down and is w/o a gauge. How do you know when to change your oil?
That is a good question!
As a good rule of thumb we would recommend going ahead and changing the oil, then keeping detailed notes every time you ride it as to how far you are riding the motorcycle. Without a gauge this would be the most detail oriented way to keep track of how many miles you are putting on your bike between rides.