..Just wondered what my fellow 955i owners were using in their engines, and why? As spec'd... Full or Semi synthetic 15W/40 as in the Triumph Owners handbook? Thanks
I knew I'd seen this same question, asked by me, previously! https://www.thetriumphforum.com/threads/oi-oi-l.17815/#post-271783 Apologies for the duplicate posting!! Went for this...I liked the idea of Joe's semi... https://www.sportsbikeshop.co.uk/motorcycle_parts/content_prod/240460
Hi Daniel the recommended oil is Semi synthetic 15W/40, I ran a Speed Triple 955i a few years back on the semi and never had any issues at all, I always used genuine Triumph oil filters though.
Thank you @Iceman. I went with the 10W as it is still in the manual as an "either / or"... And I liked the fact this said ideal for wet clutches... Do you think I may have problems...? All this is because I used to get my oil from Hughenden Triumph...and they gave me (sold me) some in my own can...but I always forgot to ask what it actually was!
Hi you will have no issues whatsoever, remember to use a new sump plug washer as well, and don't overtighten, a friend of mine did just that and cracked the sump, so I had to replace it for him with a S/H one of e bay.