Join Date: Oct 2008
Location: Rapid City, South Dakota
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Any good motorcycle 40w oil will work fine. There are a few 30w oils that I'm sure would be fine but I prefer and use 40w stuff exclusively. The best one? That's a can of worms but ones known to be good are:
Mobil 1 4T
Syn vs conventional is personal preference. I like synthetic. I've used Amsoil, Rotella, Mobil 1, and Honda's swill in my CBR. My favorite is Amsoil with Rotella and Mobil 1 duking it out for 2nd.
A side note on Rotella: You can use the T6 formula (blue jug at wallymart) for a synthetic. If you're planning on conventional oil, one of the best ones on the shelf is Rotella 15w-40 in the white jug. Yeah, the crap for diesel semi trucks and tractors.
Honda. 2007 CBR600RR. Ohlins TTX36 and FGK Cartridges, Throttlemeister, TBR V.A.L.E., Woodcraft cases, Vortex sliders, spools, Michy PP2CT tires, all mechanicals stock. Spongebob Keychain.
Harley. 2010 FLHTK. SE Ventilator intake w/K&N air filter, FuelMoto Jackpot 2-1-2 header, Supertrapp SE mufflers, Wood TW-555 Cams, tuned with PC-V. 85hp/104tq