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does anyone have a recent oil analysis from 10W-40 Dirt Bike ? I see the tech data 2025 from AMSOIL and is a bit different.

10W40 but also show until 50W according to outside temps

Yes they are water cooled, on water cooled you can run and 0W30. On XR650L engine's (same used on FMX 650) 10W40 was suggest by Honda on my 2005 manual (I have 20 years the manual in my staff) and also exist the alternative viscosities according to climate change. On new sales they suggest 10W30...

Some times I wonder why HONDA recommend 10W30 and don't care about engine longevity. That's a reason mention an example on another post... XR650L (the same engine from 90's and today recommend 10W30, for environmental health and fuel economy... If engine wear shorter time doesn't matter... As a...

You mean no fuel consumption change with 20W50 ?

Was a reference about , user worry about a small moped cub bike and search what is better. I don't tell everyone feel his bike is unique and want to pay for the ultimate one But that mopeds don't have any particular engine. Now for the XR650L engine, I ride it on FMX650 bike for several...

F16 on two wheels A+++ 15/50 weight a bit heavy

Here we discuss for a cub bike moped that total engine rebuilt cost not even the camshafts of GSXR 1000. on XR650L engine that oil gets 150 Celsius temps frequently what oil for that ? Tell me 1 oil that will not tear apart less than 1000 miles.

So what is the real life results ? YouTube have plenty of that type of tests, and just they measure the wear. It doesn't matter on cars ? Matter only on motorcycles that gearbox also lubed from the same engine oil and also clutch ? (Only Ducati bikes use on some models dry type) ex Motul...

that is new... No more SDS data access ???

Yeah not much information.

an oil analysis if you do on future will show if oil is good enough.

here on Taverna Del Motor upside down same oil with Metric is (at the time he test them) except the lower TBN , and the Antimony difference, and a small KV 40/100 viscosity on both a bit Molybdenum exist, I will not say is low enough.

On a fresh rebuild on November 2024 on wife's bike After the 3 heat cycles without ride the bike (just on stand), we run the bike for a short distance up side down 10km approximate. Oil come out like yours, like sliver glowing one. 1st oil was mineral (short distance 10km) 2nd oil mineral...

what is tri flow ? when you refer chain

Update --- I already done almost 500km with them : Engine revs faster but I think a bit slippery exist on the clutch, don't feel it aggressive on full throttle. Clutch is almost new 1 weekend before use on track. Gearbox works very optimal without being notchy, even on 20 minutes lap...

Any information about them, as quality and base stocks ?. On their website don't show up SDS information, just tech data. I want to use the Thumper 10W60 one for KTM 690 SMC. But don't find any information. a mechanic suggested them, right now I use them Motorex ones. Many thanks

i confused with the CRF250RX

Hello So what oil you run at the moment in this race machine ?

Hello Do you know what HTHS is this oil : Pro Honda GN4 10w30 SJ Viscosity @40C= 68.26 cSt; @100C = 10.32 cSt Thanks