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It's common for manufacturers to recommend thicker oil for higher ambient temperature. But if the coolant temperature gauge says the bike isn't running hotter, why different oil? Does the engine have hotter operating conditions in some way not indicated by coolant temperature? Or in the case of...

Since it's an automatic dual clutch transmission I don't like the idea of using an oil that doesn't meet Honda specs and hoping for the best--since I might not feel if it something wasn't happening as it should. OTOH if I can find something cheap and readily available, great. Else I can go to...

So I want a side-zip tactical boot. Was trying to find a Bates GX8 locally, but the closest I found was a Magnum boot, and the toe box was too low. Want: 1. Fit. Needs higher toe-box than the Magnum boot 2. Leather over the outside ankle bone. Bates GX8 has this, the Magnum boot did not. 3...

I probably should have combined this with my gearbox oil question. 2007 BMW R1200R. My owners manual says nothing about final drive oil, and previously it was changed by the dealer. The only specs I could find online are 75W90 GL5. But people act like it wants some kind of unicorn blood. Is...

I need to get lubricants for my 2007 R1200R. I read 75W90 GL5 for final drive and 75W90 to 75W140 for gearbox. Curious for your oil recommendations, and specifically if Red Line Shockproof Heavy is suitable. I have read at least someone on here using it in their BMW. The thing is I have most...

What multiviscostiy oils do you find aren't prone to shear out of grade in a shared sump street bike? From browsing the UOAs I can only think of two. Maybe you know others? Or maybe you can link to UOAs that prove me wrong about mine. The ones I found are Motul 7100 4t 10W40 and Mobil 1 Racing...

I was at a shop that had good sale prices on these motorcycle oils, and was trying to decide. Found no UOAs on bitog. Found a post where an expert whose opinion I respect criticized a less expensive bel ray oil. I bought the Redline. I've used their oils in the past (though I don't remember a...

I've used various oils in my PD Oiler automatic chain oiler. I do no other cleaning or lube of my X-ring chain. At first I was using Redline 75W90 NS GL-5 Gear Oil, because I had some extra in the garage. For the last few months it's been G Oil 5W30 motor oil because it's biodegradable and I...

A lot of times I see a UOA from a shared sump bike where the oil has sheared out of grade but the TBN is still good. And some will suggest running the oil longer. As I understand, when TBN drops to a certain point corrosive wear can occur. But I thought when oil shears out of grade that...

I've been browsing here lately thinking about switching from Rotella T6 5W40 in my Versys 650. I took a sample when I changed the oil today, so I may do a UOA this time to help me decide. I've done them for my car before, but never for my bike. I figures extended OCIs weren't on the table...