Officially....What engine oil?

[Roly]

Just a quick Question, what oil do Honda recommend for the Storm please?

Just viscosity please, appreciate you all may have 'favourites'

[Virt]

Pretty sure it's 10w-40 semi-synth?

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[Roly]

Pretty sure it's 10w-40 semi-synth?

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Thanks!

Just got this from Rock Oil website;

Our Recommendation
SYNTHESIS 4 10W-40
Make
HONDA
Model
VTR 1000 Firestorm (Motorcycles)
Engine
4 str.
Year
1997-

[Pete.L]

I rate the Rock oils,
It's one of the only ones I've ever used and actually felt a difference in performance. I switched back to Silkolene, when my supplier was out of stock and I needed it in a hurry, and the bike felt quite lethargic by comparison.

Pete.l

[AMCQ46]

Castrol bike specific 10-40 semi

[darkember]

High performance mineral diesel 15/40 no additives

[geodude]

Castrol bike specific 10-40 semi

+1

[Pete.L]

High performance mineral diesel 15/40 no additives

In your Bike??
That's a new one on me. Any info to back up that suggestion?

Pete.l

[mik_str]

High performance mineral diesel 15/40 no additives

don't mean to come across like a prick, but there's no such a a thing as an oil without additives. ALL engine oils have additives (be they viscosity improvers, or acid stabilisers,....). It is, however, possible for one not to have friction modifiers, the latter being harmful to wet clutches.... Oils with such additives are generally labelled "energy conserving" and are typically of the XXw20 abd XXw30 varieties.

[Bananaman]

Halfrauds 10-40w semi diesel oil
Very handy as it's the same oil me car uses