Mobil One V-twin 20w-50 in the primary - no problems at all!

 

I always use what the clutch manufactory reccommends.

 

I sure learn a lot from TexasRedneck, Where do i find this "energy star" rating?
Is it on the bottle? How do i find out what energy star rating my clutch is?
Been using SYN3 and i thought it was my mind playing tricks on me when i ride
two up that the clutch was not as responsive. thanks.
Saint

 

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I have been using semi synthetics and fully syntheticswith wet clutches for over 20 years, and a lot of those bikes put out a lot more HP than a stock HD. Never had a problem.

 

Life is all about choices. My dealer service manager said, synthetic in the motor and primary, but gear oil in the tranny (that to can be synthetic, just the heavier stuff).

 

good for yall....betcha bought the x-tended warranty too.....in the future, please refrain from giving tech info when you clearly dont know $hit about what you say

 

This guy is ignrorant. Better take your ride to a different shop. At first glance I thought you were at a dealer. If your clutch slips you have oil mint for your car.,( Star rateing on the bottle)is for cars not bike, besure oil is jasorated;or your clutch is out of ajustment. Don't use hd's oil ,there are others that are better and cheaper. I have run amsoil for 25 years, never any problems.

 

I've been using Amsoil 10w-40 Motorcyle Oil in my primary for about 5k now and no slip or grab yet.

 

Heel most dealers will tell you that Amsoil in the engine is too "slippery" and will skate the bearings.???????Oil slick is a good thing.

 

the Jap bikes have had this problem for a while using car oils.

there is a asian equivilent to the American Patroleum Institute, but for bikes. JASO

Kawi says SG rated oil WITH I repeat WITH a JASO MA rating. This oil will not muck up a wet clutch with the moly di sulfide and other friction modifiers they are ramming into oil to get CAFE mileage numbers. Mobil1 for bikes and Castrol for bikes (available at AutoZone) have these ratings

If you are having slippage issues you might want to make sure it has JASO MA certification. It can't hurt the Harley IMHO