Highwayman2013
New member
Bearing material is lead or copper.
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Mobile 1 4T motorcycle oil 1st Gear SE6 clutch slipping
- Thread starter Wildrice
- Start date
Bearing material is lead or copper.
Actually they contain many materials, Babbit, Zinc, Tin and other alloys!
PMK
Active member
I have seen your tests and others also. My opinion, for what little value it has, does not let me use just the parameter of viscosity degradation as a basis to make an oil good or bad to use.
The function of the oil is to provide lubrication. From years of working on and building suspension components, I found that the suspension fluids, essentially oils, that had the best durability against shearing and lessening of viscosity, also were some of the worst in regards to lubricity.
In the Spyder, the gearbox and clutch action are the only indicators we can actually feel regarding lubricity.
Regarding lessening of viscosity over time, mainly based on the gearbox shredding the oil molecules, as miles on the oil increases, the gearbox and clutch are less smooth.
Both lubricity and viscosity are important.
If and when the source I use for evaluating oil ever tests Amsoil moto oil, then I will have something I can compare to other oils, as the tests are standardized, repeatable, and fully independent.
Regarding the oil change interval I go with, I use 5000 miles. At that mileage the viscosity is not degrading a significant amount, and based on calendar time, it is due.
troop
Well-known member
Dividing time between two bikes, I'll never see a 9300 mile oil interval. My Spyder will likely accumulate, at most, around 6k miles/season. Of those miles, 2k will likely be freeway miles from trips. Not a lot of stress on the oil from that. Not worried about the M1 4T losing effectiveness from that type of usage. Oil/filter is dumped/refilled every late Oct/early Nov here in WI...
Gwolf
Well-known member
I am changing the oil and filter every 5,000 miles just like I always have. It never hurts to change it more often than called for in the manual. I take the used oil in to the auto parts place that has a collection drum so the old oil is picked up and recycled. Few dollars extra to change the oil twice a year is not gonna do any harm to the bank account or the environment. I keep several cases of oil and extra filters in the shop. Changing the oil and doing the spot checks on the items on the maintenance list might take two hours at most.
troop
Well-known member
Changing oil/filter every 5k miles is not a bad thing to do. That said, you live in Florida, where you can ride year round and can change the oil/filter anytime. I live in WI, where Dec-Mar is cold/snowy/salt covered roads. Say I have a low mile season of 5k miles. I'll do the oil change in November, near my storage time. Say I have a higher than average year, and have 5k miles on it come mid August. I change the oil/filter. Now, come Nov 01 and I have approx 2k miles on that oil. Do you change it, or take the machine for a nice long drive with fresh 100% gas/stabilizer and get the oil nice/hot and store away? I know I'm not dumping out 5.5 quarts of perfectly good M1/Amsoil at 2k miles. That's just me ....
PMK
Active member
Yes and no. He had the first Amsoil sample showing too much water / condensation. There were two analysis accomplished thereafter, each with elevated or increasing iron amounts.
