I only have 1.4 hours and 2.8 miles on my Grizzly (I know I need to get out and ride). The oil level is way overfull from the factory. I wrote the dealer, he checked 2 new 660s and said the oil level was at the same overfull mark as mine.
The Service Manager said don't worry about it. However, as a former trained mechanic with a 2-year automotive degree, I know that too much oil causes the piston to act as an egg beater to churn the oil into foam. Foamy oil is a very poor lubricator. Perhaps the factory mechanics expect some oil bypass past the ring lands during break-in and add some more to ensure adequate lubrication for the first 20 hours. This might be the thinking based on the the new style rings that were supposed to be installed in the 2006 Models because of the complaints from owners of 2005 and earlier Models (I just read that somewhere, not sure the new style rings are a fact.) However, it would be good to know if the factory does that purposely and should send out a Service Bulletin or an Advisory as such to dealers to give peace of mind to folks like me that never overfill crankcases, automatic/manual transmissions, differentials, etc.
I actually first noticed the overfill as soon as I pulled the dipstick and noticed that the oil level was visibly above the crankcase port chamfer area and it is very unusual for oil levels to exceed that line on any engine I have ever checked.
Here is the procedure I followed with the Grizz perfectly level and without screwing the dipstick in but with it resting on the shoulder of the port:
I checked the oil cold, warm, and hot and the level is the same: 1/2 inch above the crosshatched area on the dipstick. That is way overfull. I checked it:
Cold after sitting overnight and for several days = 1/2 inch above full mark
20 minutes of drain down time after a 15 min run = 1/2 inch above full mark
After a 5 minute idle + 1/2 inch above full mark
Immediately after stopping. Within a minute the level was 1/4 inch above full then 1/2 inch above within less than 5 minutes
Did any of you notice the overfull oil level on your brand new 660s and would you recommend draining some out. I do not want to end up with a quad that uses oil.
Thanks,
Ron
The Service Manager said don't worry about it. However, as a former trained mechanic with a 2-year automotive degree, I know that too much oil causes the piston to act as an egg beater to churn the oil into foam. Foamy oil is a very poor lubricator. Perhaps the factory mechanics expect some oil bypass past the ring lands during break-in and add some more to ensure adequate lubrication for the first 20 hours. This might be the thinking based on the the new style rings that were supposed to be installed in the 2006 Models because of the complaints from owners of 2005 and earlier Models (I just read that somewhere, not sure the new style rings are a fact.) However, it would be good to know if the factory does that purposely and should send out a Service Bulletin or an Advisory as such to dealers to give peace of mind to folks like me that never overfill crankcases, automatic/manual transmissions, differentials, etc.
I actually first noticed the overfill as soon as I pulled the dipstick and noticed that the oil level was visibly above the crankcase port chamfer area and it is very unusual for oil levels to exceed that line on any engine I have ever checked.
Here is the procedure I followed with the Grizz perfectly level and without screwing the dipstick in but with it resting on the shoulder of the port:
I checked the oil cold, warm, and hot and the level is the same: 1/2 inch above the crosshatched area on the dipstick. That is way overfull. I checked it:
Cold after sitting overnight and for several days = 1/2 inch above full mark
20 minutes of drain down time after a 15 min run = 1/2 inch above full mark
After a 5 minute idle + 1/2 inch above full mark
Immediately after stopping. Within a minute the level was 1/4 inch above full then 1/2 inch above within less than 5 minutes
Did any of you notice the overfull oil level on your brand new 660s and would you recommend draining some out. I do not want to end up with a quad that uses oil.
Thanks,
Ron