royal purple oil

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Personally rp is all hype and over priced. I emailed them 3 times about the wrong recommend oil for Xb primary trans oil and they never responded.
I run mobile 1 20/50 v twin in mine.
 
After some minimal research and confirmation from several respected forum members, I just switched over to Amsoil. The guy I bought the bike from used HD products. I don't have a mechanical back ground to offer up any technical facts to support as I'll leave that to some of the more controversial "which oil is best" threads here on the forum, but I can tell a marked difference in my bike with the Amsoil synthetic in both holes.

It sounds better, idles better, more responsive, and after riding about 6 hours in 85 degree Texas heat today, it was running much cooler. Also probably the biggest difference I felt was shifting gears. This was my first oil change since purchasing the bike so I was only used to the feel of it as I purchased it. And today it was a different bike. Shifting gears offered a noticeable difference with this synthetic in it.

I've got no ties to Amsoil, don't sell it, and can't tell you why it's better, but proofs in the pudding and I am more than impressed with it.
 
I flip flop back and forth, I cant tell the difference! Royal purple in the bike now.

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I love RP, put the HD brand in this past change because the RP is all sold out. Shifts like ass and seems to run hotter. As soon as I see the RP back on the shelf I'm getting it and doing another change.
 
Has anyone noticed when using royal purple the motor is a but noisier. I put royal purple in on my last change and noticed that it is a little more rattly? Or is this just a normal buell motor noise?
 
Jason, not to beat a dead horse, but mine truly did the opposite when I put Amsoil in it. I noticed mine started making some noise and when I changed over, it really did a good job quieting it down.

I've never used RP so can't speak on it.
 
I have the engine noise increase but I believe it has to do with the synthetic oil. I run motul in my trans and it shifts so smooth.[up][up]
 
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