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Grum

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Grum last won the day on June 26

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About Grum

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  • Location
    Sunbury Australia
  • In My Garage:
    2014 VFR800F

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  1. Interesting Fuel Stats.

    Hi adprom. Most likely the difference is that, all my riding is country stuff, no stop/start city riding at all. I do admit that at the ripe old age of 61 my testosterone levels are probably much lower than yours, but there are specific roads I know where the fun police normally don't frequent where I do tend to stretch the throttle cable a little! I'm don't consider myself to be a slow rider, then again I'm not fast, it's a bit of know when to hold em, know when to fold em if you know what I mean. On a side issue has Honda sorted out those Maintenance discrepancies for the 2017 owners manual you hi-lighted some time back? Perhaps you could update that thread, it carries a lot of interest. Cheers Grum.
  2. Interesting Fuel Stats.

    There you go GatorGreg. Exactly as expected, stop wasting your money. That's how the Economist's make their money! Smart purchasing Cheers.
  3. Interesting Fuel Stats.

    So what's ya plan Gator? Are you going to give a good quality reputable brand 87 octane a go in your bike or not? The same can be said for all the millions of cars out there designed for standard fuel. Petroleum companies would love you to believe their higher octane Premium Fuel will perform miracles for you, they make more bucks from the Premium fuels.!!!!! Performance will not be increased on a VFR by Higher than needed octane fuels Cheers.
  4. Interesting Fuel Stats.

    Hi Greg. My manual states 91ron or higher, so you should be fine using your 87. There is virtually NO difference in the calorific value (energy content) between Standard and Premium octane fuels. The advantage is with high performance engines that DO have anti knock sensors the ignition timing can be advanced further without the potential of knocking or pinging (detonation) so this creates better power or effectively better economy. HOWEVER the VFR's as already stated don't have anti knock sensors so they can't take any advantage of the higher octane fuel, that's why there's no benefit. The manual statement of 86 or higher simply means the higher you go you get a greater safety margin for pinging knock (detonation). Going lower than the recommended octane is not recommended as this would likely induce detonation a nasty pinging sound, this definetly decreases combustion efficiency and if really bad do serious engine damage.Try your bike on the 87 octane I'm sure you won't have an issue. Ask some of your VFR friends see what they reckon. You are contradicting yourself a bit by stating "The manual does recommend 86 or higher, not 86" You could say 86 is recommended but not any lower! Cheers
  5. Interesting Fuel Stats.

    Hi Greg. There's a lot of changes to the 8gen to help fuel economy, lighter weight, lighter electrical loads (LED headlights), different cams, different throttle bodies and no doubt some re tweaking of the EFI system. Our Standard Unleaded Fuel is 91ron which I believe is equivalent to your 87aki (anti knock index) fuel. Just as economist above stated. Our Shell V-Power is Premium 98ron, (the most expensive!) which equals your 93 rating. So the bottom line here is you're probably burning holes in your wallet by using the 93 V-Power when your 87 or 88 would be fine in the VFR. - Check your American Owners Manual and see what the recommended minimum Octane fuel is. I am amazed by the number of VFR owners I've met in Australia that are convinced they need to run their VFR's on Premium Fuels, for all sorts of interesting reasons - Ahh yes, the power of advertising!!! When I purchased my first VFR in 2004 the dealership said to run it on Premium, didn't think twice back then, I'm a fair bit older and a little wiser now! Cheers.
  6. Interesting Fuel Stats.

    Ok, here's a couple for you - 309k's on 98ron got 4.77ltr/100k, 424k's on 95ron got 4.32ltr/100k. However my best economy and this involved a mixture of hilly and flat roads was 407k's got 3.94ltr/100k using Standard 91ron. Even my 2009 which I would occasionally run Premium fuel on never showed any economy improvement over the 91ron. Cheers.
  7. Interesting Fuel Stats.

    Ah Peter you caught me out!!!! . To be completely honest I have done a couple of tanks of Premium through the 8gen just to prove the fact it achieves nothing as far as economy is concerned. The VFR's do not have an anti knock sensor so they cannot automatically advance the ignition timing to take advantage of the higher octane thus improving performance. Nothing is achieved by blowing extra bucks on Premium fuel for a VFR. Cheers and hope ya still loving that Arrow Exhaust.
  8. Hi All. For many years I've logged a large number of fuel runs on an XL Spreadsheet going back to my 2004, 2007 RWB, 2009 and my current 2014 8gen. The interesting thing here is I only ever ran the 2004 and 2007 on Premium Unleaded either 95 or 98ron, the 2009 was a mix between Premium and Standard 91ron. My 8gen has only ever been fed on Standard Unleaded 91ron, which is what the bike is designed for anyway. 2004 - Averaged 5.29 Litres per 100k's (Premium Unleaded Only) 2007 - Averaged 5.25 Litres per 100k's (Premium Unleaded Only) 2009 - Averaged 5.06 Litres per 100k's (Premium and Standard Fuel) And the Winner Is........... 2014 8gen - Averaging only 4.32 Litres per 100k's (Standard Unleaded 91ron Only) (All of the averages are based on many tank cycles and none are city riding, virtually all my riding is country, long distance and with a fair amount of twisties thrown in.) Just goes to show what a big improvement Honda has made to the 8gen fuel economy AND Using Premium Fuels is a waste of money. (I'm not entering an argument as to whether Premium Fuels offer better cleaning agents OR not!) Merry Christmas and Happy New Year to all our readers, Safe riding for 2018 AND remember - Stay upright, but if you can't, then go lay down with someone nice! Cheers. Grum
  9. Thanks for the info Fink. Have plugged the vac hose to the diaphragm, about to see how the bike goes over a few weeks. Cheers.
  10. Hi Fink. Good point. I do intend on running the bike with the hose removed and blocked from the flapper diaphragm, by default the flapper is in the open position. If there's no noticeable change in performance l might go ahead and remove the stuff. This may have come up before, but if anyone can tell me the benefit of all this hardware (which Honda have now removed), I'd like to know. Given that we are all riding around with air filters with varying degrees of flow rate, some OEM, some aftermarket, some very dirty others might be clean, surely this would have a greater impact, than simply altering the inflow air availability? Cheers.
  11. The 4 cheap mods

    Hi Rodzone. Sorry to say but it sounds a bit scary, with the 33ohm Resistors where 330ohm should be. The Heated O2 Sensor seem to be current controlled by the ECM. Just hope you haven't partially fried the internals of the ECM!!! Good luck, keep us informed on what the Honda dealership comes up with. Cheers
  12. Hi All. Some thoughts on this one. As the Variable Air Intake system has been removed from the 8gen 2017 models, was looking at tidying up some plumbing and hardware by removing this system. See attached and a photo of the 2017 air filter cover.
  13. Easy answer to that one = Stuff all, seriously though, it's probably not too much more weight than an oil filter at a guess! OK maybe an oil filter full of oil then.
  14. You could simply just pull the electrical connector off the Purge Valve and not have to worry about blocking off hoses, also the ECM has no fault status for the Purge Valve - just a thought.
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