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Discussion Starter #1
I've read several of the "oil" threads on this board and it seems its good to put in full synthetic after 1500 to 2000 miles. Now I've spoke to a couple of bike shops in my area and they recommend putting in semi-sythetic oil. They said that full synthetic is good if you race the bike and semi-synthetic is good for regular street riding. Would full synthetic have any negative effects over time that may effect the transmission(slipping) by any chance. If anyone could shed some light on this?? Thanks.

On a seperate note, when taking the oil filter off, do you just unscrew it or do you have to take the clamp off it also.
 

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I use Castrol GTX dyno. I have ran two bikes to 60K + with this oil four others to 20K so I don't waste my money on synthetic oil

The clamp holds the filter on by perventing it from turning (look at the tab on the clamp that fits in the notch on teh bike)
 

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I've also read alot on the ongoing oil debate and I think that the best advice I read was someone saying "no matter what oil you use, just change it". I think that's the best advice one could give. As long as you're using the proper viscosity, you should be OK.
I'm sure that there will be alot of people that differ with this opinion but I think it's a pretty good one.
 

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Discussion Starter #4
Originally posted by Triker

I use Castrol GTX dyno. I have ran two bikes to 60K + with this oil four others to 20K so I don't waste my money on synthetic oil

The clamp holds the filter on by perventing it from turning (look at the tab on the clamp that fits in the notch on teh bike)
So do you have to take this clamp off or does it stay on the filter when you unscrew it?
 

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Unscrew the clamp first, it is notched to hold it from loosening, so you HAVE to undo it. Then use a filter wrench (or I use a boa constrictor type wrench) and loosen the filter off carefully... I drain the drainplug first, then loosen off the filter (the drainplug will drain quicker if you loose but not remove the filter), and when it's done I let the filter area drain into the pan. Don't forget to oil the seal of the filter a little before installing a new one...
 

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Discussion Starter #6
Originally posted by dj dunzie

Unscrew the clamp first, it is notched to hold it from loosening, so you HAVE to undo it. Then use a filter wrench (or I use a boa constrictor type wrench) and loosen the filter off carefully... I drain the drainplug first, then loosen off the filter (the drainplug will drain quicker if you loose but not remove the filter), and when it's done I let the filter area drain into the pan. Don't forget to oil the seal of the filter a little before installing a new one...
So the clamp will just unsrew off by turning it with your hand??
 

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Use straight dino oil or straight synthetic. Semi-synthetic is a marketing ploy. Take a quart of dino oil, add one drop of synthetic and "Voila!" Semi-synthetic. The biggest difference you will notice in using synthetic (other than the price) is the smoothness with which the transmission shifts.
 

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I agree with SW.. I could tell the difference in shifts between using the "regular" stuff they use at the dealership, and Mobil1 15W50
 

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[}:)]i rode to 4000 miles on my new bike with regular oil and then switch to syn the differance was unbeleivable espe. in the shifting i will only run syn. from now on (except when breaking in a new motor)
 

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Yeah, i just changed over to mobil 1 MX4T, and man what a difference it made. it shifts soooo much smoother and aslo the vibration in the bike isn't quite as bad, so that is the route i would recomend(sp?)
 
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