Same weight in all 3, Amsoil, runs great.....makes life simple for when my mind goes.

 

Ditto.

CN

 

4 quarts MCV 20-50 in Motor, 38oz MCV 20-50 in Primary and 1 quart SVO 75-140 In transmission. Look at yer manual for measurements.

 

I haveused Amsoil 20W-50 in all three holes for the past 25,000 miles. No problems at all, runs and shifts great.

 

FYI, I was talking with the Mobil 1 Rep at Daytona a few years ago and they actually had a chart. Not that charts are interesting by themselves but whatI found on that chart was. 85 w 90 Gear oil at operating temp is identical in properties to 20 w 50. SO running 20W50 in all three holes is not problematic!

 

You will be good to go with the same in all 3 but i did find that the 75/90 in tranny made it just a tad smoother so i will stick with that myself.

 

What he said

 

I used 20/50 in the engine and primary and 75/110 severe gear in the transmission.

 

+2 - I'm running 75w140 in the tranny.....smoooth..

 

Amsoil 20W50 in all three holes on both my bikes...2000 RK with 20000 miles and a 2004 Ultra with 25000 miles. I'm no oil expert, but based on the info available from all manufacturers on the INTERNET, the Amsoil folks seem to put more emphasis on optimizing the oil properties that mean the most to our types of engines. You get what you pay for...

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