I rebuild bikes.. And this IS the stuff! Shadow's, Intruder's, Gixxers.. doesn't really matter. The bike will shift smoother, start easier, and run quieter. Just remember.. if you go synthetic, you gotta stay synthetic. ALWAYS change the filter when you change the oil.

I started using this oil about 3 or 4 years ago in my 2006 Kawasaki 1600 Nomad as an alternative to the high priced Honda factory oil I was getting. This stuff is great, my clutch doesn't "hang up" anymore and actually shifted more smoothly right away when I first switched over. Yes it is Jaso rated for wet clutches!!

Did some research, and found out that the T6 15-W40 oil has all the necessary certifications to be used in a motorcycle, even with a wet clutch. This oil is a quarter as expensive as the Castrol or Motul oils I was running before, and at least around 2k miles in, it seems to run just as well.

Been using for years in Motorcycle, gas and diesel motors. First used for my motorcycle then started using in everything else to keep it simple. Seems a waste for diesel w/ 3 mos. oil changes low hour tractor. I believe it is a highly engineered lubricant available in some form, throughout the world. (almost)

Rotella T-6 is a sleeper in the motorcycle world. I have run it in an XR250 dirt bike off road (which is a serious test of how it works in a wet clutch.), a Honda VFR800 sport bike and a Honda Shadow cruiser. Zero problems or issues of any kind. Blackstone lab analysis showed a very good additive package and essentially zero wear after a hard run in the sport bike. This oil is JASO MA rated for wet clutches. The price is a bargain relative to "motorcycle oils". Being a 5W-40 this oil starts easier in cold weather than petro oils. I also use it in a generator and my gas powered pick up truck. This is possibly the most versatile motor oil made. Excellent stuff. (No... I don't work for Shell oil !!)

I've been using T6 in my 2005 Kawasaki Vulcan 1500 after my first oil change, this oil takes the heat and keeps the inside of the motor spotless. No clutch slippage at all. The perfect oil weight to get into the tight clearances and reduce the 50w power and mileage rober.

My '99 Honda Valkyrie motorcycle, '02 BMW 1150GS motorbike, '91 Lexus LS400 and '04 Dodge 3500 diesel, all use Rotella synthetic. It is so nice to keep one oil for everything and still find that excellent cold weather starting and hot summer oil pressures are still great. I recommend this product without reservation.

Used it twice so far in 2002 Jetta TDI. Usually use Castrol Syntec 5W-40. But I like this product as well and it has a nice price tag at Wal-Mart. Jetta has about 185K miles on it. Wal-Mart also has the three pack for about $60, which makes for about a $30 oil change (remember for a Jetta almost 5 qts are needed- $20 for the gallon + about $6-7 for 1 more qt +oil filter).

I've used the Rotella T6 5w-40 for years and years in motorcycles with wet clutches, trucks, and tractors and had no problems. Most notably I've used it in: 2004 Honda Shadow Sabre 1100 (wet clutch) and put 30k+ miles on it and I used it in my 2011 F-150 for it's entire life (bought new). The F-150 is impressive because it had the 3.5L Ecoboost, the first year of that engine, and I put over 218k miles on it with nothing done to the engine except oil changes and spark plug changes. I also use this in my tractors, I used it in my 2002 Dodge 2500 with the Cummins (bought new, sold at 168k miles), and other vehicles. I love this oil.

I use it in a 2007 Honda Rancher ES and it always starts right up like a champ. No slippage nothing I can't complain. I drive this bike hard and change the oil once per year or longer. Checked it the other day after like 13 months still looks ok could use a change so I'm going to do it. I'll probably use Rotella T6 again. It seems to be good stuff.