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Honda RC51: Discussion of the Honda RC51, Honda SP1, and Honda SP2 Motorcycles. | |||||||
06-03-2008, 9:14 PM
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| Join Date: 04-29-2008 Location: nj
Bike(s): 02 RC51, Audi S4, Laeger protrax 250r(w/ 330 bore) Posts: 110
Rep:  (10) Rep Power: 1
| who runs 87 octane in there rc51's? just curious if im throwing money out the window. has anyone experienced detonation on 87 octane? with full exh and pc? curious if I shoudl try it or not | |
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06-03-2008, 11:04 PM
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  Join Date: 12-29-2001 Location: La Crosse, Wi
Bike(s): 2003 VFR, 2005 MV Agusta F4 1+1 Age: 27 Posts: 3,266
Rep: (191) Rep Power: 11
| Re: who runs 87 octane in there rc51's? alot of people say to just use 87. on my 1000rr i used 87 octane without issue. |
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06-03-2008, 11:40 PM
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| Join Date: 05-15-2008 Location: California
Bike(s): Kawasaki H2, RC51 Posts: 109
Rep: (11) Rep Power: 1
| Re: who runs 87 octane in there rc51's? I have an 01, full leo vinci exhaust, power commander and all I run is 87. No problems, and I do some aggressive riding in the twistie foothills. |
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06-04-2008, 1:20 AM
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  Join Date: 04-16-2006 Location: Dallas, Tx
Bike(s): k6 GSXR750, 97 YZF1000, 05 600RR, 02 954 Posts: 1,216
Rep: (29) Rep Power: 4
| Re: who runs 87 octane in there rc51's? I had no problems with it. I did often experiment to try and find a difference though, but didnt. |
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06-04-2008, 4:23 PM
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| Join Date: 10-28-2007 Location: Englehood, NJ
Bike(s): 2002 Honda RC51 SP2 Posts: 44
Rep: (10) Rep Power: 0
| Re: who runs 87 octane in there rc51's? unless you have high comp pistons, should be fine on 87. ive noticed a bit more fuel mileage using the 91+ but very minimal. that said i only buy 89. |
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06-05-2008, 12:25 AM
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| Join Date: 05-15-2008 Location: California
Bike(s): Kawasaki H2, RC51 Posts: 109
Rep: (11) Rep Power: 1
| Re: who runs 87 octane in there rc51's? what kinda mileage you getting? |
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06-13-2008, 10:18 PM
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| Join Date: 04-29-2008 Location: Kaukauna, WI
Bike(s): 2000 rc51 Age: 23 Posts: 5
Rep: (10) Rep Power: 0
 | Re: who runs 87 octane in there rc51's? I nottice I get better mileage with 89 then 87. I get about 110-120 on a tank of 87 and 150-160 on a tank of 89. I have a full leo vincy exaust no power comander |
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06-14-2008, 12:07 PM
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| Join Date: 06-14-2008 Location: Rock Hill SC
Bike(s): 03' RC51 Posts: 53
Rep: (10) Rep Power: 1
| Re: who runs 87 octane in there rc51's? We don't have 89 here. I think we have 87 91 93..but I always run the 93. I don't know if it makes a difference but in the manual it clearly says to run 92 octane so I go with the 93. Although I have once put the 87 in it because I didn't have the manual yet and it didn't really make a difference other then a spark knock type deal but I think thats because the bike was used to the 93. |
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06-18-2008, 2:54 AM
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| Join Date: 04-29-2008 Location: nj
Bike(s): 02 RC51, Audi S4, Laeger protrax 250r(w/ 330 bore) Posts: 110
Rep: (10) Rep Power: 1
| Re: who runs 87 octane in there rc51's? tried two tanks of 87 today runs great just a bit more touchy on the throttle |
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07-04-2008, 4:06 PM
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| Join Date: 02-25-2008 Location: Augusta, GA
Bike(s): 2002 RC51 Posts: 66
Rep: (10) Rep Power: 1
| Re: who runs 87 octane in there rc51's? Quote:
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07-04-2008, 5:07 PM
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| Join Date: 10-03-2007 Location: nashville, tn
Bike(s): 2006 blue and yellow 1krr Posts: 540
Rep: (13) Rep Power: 1
| Re: who runs 87 octane in there rc51's? i used to run nothing but 93, now i run 89 or whatever midgrade is there.. runs great and no issues.. |
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07-06-2008, 2:31 AM
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| Join Date: 04-29-2008 Location: nj
Bike(s): 02 RC51, Audi S4, Laeger protrax 250r(w/ 330 bore) Posts: 110
Rep: (10) Rep Power: 1
| Re: who runs 87 octane in there rc51's? i was running 87 in it but a couple times if i gave to much gas on after a stop, right above idle it would ping so I went back to 93. I may go back to 87 or maybe 89 for a good margin from detonation. the detonation is not uncommon on some bikes i have ridden with 87 but im not quite sure I like the slight ping. once again its only on occasion when im stopped and give it a large amount of throttle. it goes away once revved up off of idle |
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