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Earlier this year, Derek asked for input from the COG list as to what our preferences about oil and oil changes was. The following are his results.

All this discussion about oil reminded me that I owe the list a summary of the oil survey that I conducted a little while back.


Total Responses to Survey21
Mileage on BikesAverage35,513
Highest93,000
Lowest3,800
Sum710,259
Typical Interval Between Oil changes Average3,404.
Highest6,500
Lowest1,242
Average Oil Change Interval By Oil Type (Miles) Dino3096
Synthetic3906
Brands of Oil Used:Mobil 14
Castrol GTX4
Golden Spectro3
Kawasaki2
Various Others8
Number of Riders Using Dino Oil
(Automotive or Motorcycle)
13 (62%)
Number of Riders Using Synthetic Oil
(Automotive or Motorcycle)
8 (38%)
Number of Riders Using Automotive Oil
(Dino or Synthetic)
13 (62%)
Number of Riders Using Motorcycle Oil
(Dino or Synthetic)
8 (38%)
Number of Riders Using Automotive/Dino Oil8 (38%)
Number of Riders Using Automotive/Synthetic Oil5 (24%)
Number of Riders Using Motorcycle/Dino Oil5 (24%)
Number of Riders Using Motorcycle/Synthetic Oil3 (14%)

There you have it folks. From this small sample the only conclusion that I can see is that there is no real set behavioral pattern to oil changes. As its been pointed out many times before, the type of oil one uses is not as important as how often it's changed.

Thanks to those that responded.

stephers@sprynet.com '95 Concours (Yet to be ID'd)
DoD #1359 COG #2103 Smart Routes #772 MH#9 Mule #1
PADI NRA LF-FL AAAAA (American Association Against Acronym Abuse)


Chevron.com Exxon-Mobil.com shellUSA Valvoline

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