04-12-2011, 04:28 PM #1
regular oil changes help sc life????? myth ??
Hi, i heard a little rumour that is a good idea to change oil regular as it gets most from our clutches?? is this true????
04-12-2011, 06:01 PM #2
Define "regular".... And why wouldnt you do regular changes anyways?
04-12-2011, 06:16 PM #3
Service manual recommends an oil change every 50hours or 12 months after the initial 10hr service. I see no reason why to change it earlier, waste of money IMO. I have to imagine that Yamaha builds in some redundancy into their service schedule such at even at 50 hours, the oil is still in good shape. Maybe on a high boost ski this ideology would differ so other will have to comment on that.
04-12-2011, 10:02 PM #4
I read somwhere that dirty oil with impurities in it can cause premeature failures on sprag bearings in general. So I would assume keeping clean oil is going to be good for the whole motor.
I change mine at 25 hrs, as it stays cleanish till then then starts to darken after 25hrs so I don't want to run my ski for another 25 with semi clean oil in it.
With nearly 100hrs on my ski now and the oil still is reasonbly clean when I extract it.
04-12-2011, 11:50 PM #5
- Join Date
- Apr 2007
plus the fact that you dont get all the oil out in the first place
04-13-2011, 04:17 AM #6
04-13-2011, 06:10 PM #7
I do every 20-25 hrs...knock on wood...no issues yet after 140 hrs on 08 SHO
04-13-2011, 10:09 PM #8
I totally agree. I change my oil every 25 hours. I started doing it on my 05' RXT and never had a clutch bearing go out on me. I had also drilled holes in the neck of the supercharger so it would get more oil but obbviously the clean oil helped sc'r. Now I do it with my SHO's.
04-14-2011, 03:37 AM #9
change oil only every 30 hours and oil filter every other time.
04-15-2011, 02:14 AM #10
I change oil after every race (about 1 hour) because gas in oil. Iīve still had three clutches fail on me so I do not belive in that theory.
About the 1 litre oil you can not get out, if you bend the tip of the hose you put down into the oil level tube and wiggle it around pushing on it, you will get down under the plate in the oilpan and get all the oil out.
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