What octane is used for 2013 cb 1100 honda is 87 acceptable?

SOURCE: getting better gas milage....

Hey there, well if its anything like mine(91 cressy) its pretty thirsty! but things worth checking(if u havnt already) are the engine timing, fuel filter, air filter, as they will make a huge differnce. still im getting 11L per 100 around town, and i dont exactly flog it. and about the octane, i realy wouldnt worry too much if its just the non turbo version, although sticking to 91octane or above is always a good idea. usually only costs a few extra dollars a tank for 98 octane here in Australia, so i think its worth it.

Cheers
Andrew from Queensland

SOURCE: My 06 Navigator calls for premium 91 octane

You're truck requires the higher octane, because your engine has a higher compression ratio. It will give you less proformance, even if you don't notice it. You need the higher octane so you get the best combustion for the compression ratio of the engine. Over time it could effect your motor, such as carbon build up in your cylinders.

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SOURCE: do i have to use premium gasoline?

you can use 87 octane, And you will actually get better fuel mileage

SOURCE: My 06 Navigator calls for premium 91 octane

You are not hurting your truck at all... the engine computer adjusts to the lower octane... you may notice a slightly higher fuel consumption with the lower octane fuel but the money you save on lower octane fuel offsets the mileage.

SOURCE: Is 87 Octane good for 2005 Pacifica.

It works fine your engine will automatically adjust for it