CBR650f engine oil

toyotacelicagt4 · 15 Nov 2020 at 10:25

Good morning all,

Im looking at changing the oil on my 2015 Honda cbr650f and am confused on the type of oil to get. I know that it needs to be 10w30 but don’t know if it’s supposed to be semi or fully synthetic? I’ve read various posts on the internet where people use both but I want to make sure I use what the manufacturer intended.
Thanks

Munchies · 15 Nov 2020 at 12:34

The manual (https://www.manualslib.com/manual/1663329/Honda-Cbr650f.html#manual) says:

Honda "4-stroke motorcycle oil" or an
equivalent motor oil
API service classification: SG or higher
(except oils labeled as energy
conserving on the circular API service
label)
JASO T903 standard: MA
Viscosity: SAE 10W-30

So you can pretty much use any oil you want.

tom_e · 15 Nov 2020 at 13:06

That age of bike will be happy with semi or full I'd have thought.
My old 98 cbr1100 I'd only use semi as full could mess with the clutch according to many owners but that was a dinosaur bike in comparison.

scrivz69 · 15 Nov 2020 at 13:25

as Tom said I would stick with semi as fully can mess with clutches.

Scythe · 16 Nov 2020 at 12:14

I’ve never had a fully synthetic affecting a clutch, but it can happen.

as per the above you can use any 10W30 oil with API SG or higher (API SH, SJ etc). The API rating is important as these are for motorcycles with special preservatives to protect the clutch which is immersed in this oil.

DO NOT use car oil, or non API SG+ or you will wreck your clutch plates in a matter of minutes.