Heard Some Knocking and Pinging Today.
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Thread: Heard Some Knocking and Pinging Today.

  1. #1
    Very Active Member 5Twenty's Avatar
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    Default Heard Some Knocking and Pinging Today.

    For the first time since I've had my 9, which is only a month or so, I heard some knocking and pinging today. I heard it at when the engine was under load at lower RPM. Of course, as soon as I hear this I backed off the throttle as to not 'splode my motor. I wonder if I just got some bad gas. I should also note that I live in Phoenix and it was about 105 degrees at the time. But it's always 105 here so why is this the first time I've notices this?

    I have been buying 87 octane but at least until I can get my PC-V installed, I'll be buying 92.

    What do you guys use as far as octane goes? I am presuming the PC-V is going to be able to fix this, am I correct in this thinking?

    Thanks for your help.

    Dan
    Last edited by 5Twenty; 08-29-2015 at 06:43 PM.

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    Very Active Member lost freedom's Avatar
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    Gas here in New Zealand is 91, 95, and 98, never use the low octane, i put 91 in my 06 model and it pinged like f### use the higher octane and i think you will find it will come right.
    2009 Grape coloured M109R. K&N Big Air Kit. Hard Chrome Sidewinder Exhaust. De-badged and De-beavered, Toe/heel shifter fitted.

  4. #3
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    agreed low octang and could have been some bad gas. I dont use less then 89!!




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    Very Active Member Switchmonkey's Avatar
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    Zuki recommends that we Canucks use 91. Works for me, plus the price never seems to fluctuate like 87. I can get 93 and 95 as well but don't think it would make any difference, except in the wallet. Stay away from the Ethanol blend crap too!

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    Very Active Member QZephyr's Avatar
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    Originally there was a sticker on your tank that stated high octane. Everyone removes this, but it should be in the manual. Hopefully you got one with the bike.

    When you do things right, people won't be sure you did anything at all.

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    Very Active Member SouthernFattie's Avatar
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    Do not use less than premium.
    The refineries do NOT make all 3 grades. They make regular and premium. The mid-grade is MIXED AT THE PUMP.
    While a petroleum technician for over 7 years, I was an octane specialist (Via ASTM D2699 and ASTMD2700).

    I ran all three grades from Shell, Chevron, Murphy, Exxon, BP and Sunoco.

    All regulars are accurate, all premiums are accurate. ONLY 1 of those mid-grades were accurate. The rest were lower.
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    Very Active Member Force's Avatar
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    Only put 98 in my bike... runs great
    2" risers, TNT racing TRE, Cobra auto pro tuner, HID ,LED signals, 300/160 Metz, K&N, grips, alarm, pairs done, front mounts, custom face & taco, Mirrors, Gel Seats, Lowered 2", Swamp Works 2 piece chrome swing arm, Velocity Pro 2 into 1, Coastal Moto "Cyclone" 10x18 -4.25.x18, Tricky Air Ride, more to come, hydraulic clutch, Woolich flash, more to come

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    Quote Originally Posted by Force View Post
    Only put 98 in my bike... runs great
    I don't have an issue with regular. Doesn't get as hot here, but even when riding in Mesa, I don't get pinging.

    I'd buy gas from a different gas station and run two tanks before I change octane.

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    Very Active Member Luvs2Play's Avatar
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    Quit lugging the engine.

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    Yea my 9 hates that LOW octane crap too with the others on that

  13. #11
    Super Moderator BoardMod's Avatar
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    Quote Originally Posted by 5Twenty View Post
    For the first time since I've had my 9, which is only a month or so, I heard some knocking and pinging today. I heard it at when the engine was under load at lower RPM. Of course, as soon as I hear this I backed off the throttle as to not 'splode my motor. I wonder if I just got some bad gas. I should also note that I live in Phoenix and it was about 105 degrees at the time. But it's always 105 here so why is this the first time I've notices this?

    I have been buying 87 octane but at least until I can get my PC-V installed, I'll be buying 92.

    What do you guys use as far as octane goes? I am presuming the PC-V is going to be able to fix this, am I correct in this thinking?

    Thanks for your help.

    Dan
    The bike is speced at 90 octane at a minimum.

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    Very Active Member 5Twenty's Avatar
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    Quote Originally Posted by BoardMod View Post
    The bike is speced at 90 octane at a minimum.
    Thanks. Good data to have. That explains a lot.

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    Very Active Member Tazdvl's Avatar
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    I only use 91 octane. And I add either Star-tron or Sea Foam every other fill up. If I go two or three fill ups without an additive, I can feel the difference. Motor runs a little rougher without the additive.


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    Very Active Member cbxer55's Avatar
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    Here in the states, and only some a that, 93 is as high as we get. Of course, the way the octane is figured is different than overseas too. And in reality, our 93 is equivalent to 98 overseas. In any event, I only use 93 in my 06. Only one station near me sells it, fortunately it's only 3.5 miles away. Occasionally put 91 in it since that station is closed on weekends. Mine has never pinged in 9 years of owning it. 2-into-q pipe, Big Air intake, tuner under the seat. Gets rotten mileage, but purrs like a kitten. At 23,000 miles now, still have the original plugs in it as well.
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    Quote Originally Posted by cbxer55 View Post
    Here in the states, and only some a that, 93 is as high as we get. Of course, the way the octane is figured is different than overseas too. And in reality, our 93 is equivalent to 98 overseas. In any event, I only use 93 in my 06. Only one station near me sells it, fortunately it's only 3.5 miles away. Occasionally put 91 in it since that station is closed on weekends. Mine has never pinged in 9 years of owning it. 2-into-q pipe, Big Air intake, tuner under the seat. Gets rotten mileage, but purrs like a kitten. At 23,000 miles now, still have the original plugs in it as well.
    The only pinging and knocking you hear [pal, is from that cheap dope you smoke




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    Very Active Member tonymontanna1983's Avatar
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    Quote Originally Posted by Nemo View Post
    The only pinging and knocking you hear [pal, is from that cheap dope you smoke




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    Very Active Member cbxer55's Avatar
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    Quote Originally Posted by Nemo View Post
    The only pinging and knocking you hear [pal, is from that cheap dope you smoke
    Errrr, that would be cigars from the Dominican Republic. And booze, which ya don't smoke. LOL

    But I do dip the ends of the stogies in liquor, then smoke em. Does that qualify as "cheap dope"?
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  20. #18
    Very Active Member carnivor's Avatar
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    95 if I can't get 98..bp or caltex

    Enter the beast for it has taken thee to its den and shared its power !!!!!



  21. #19
    Very Active Member Luvs2Play's Avatar
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    Non ethanol 87 octane will work just fine. I would use that long before I would put 91 octane with alcohol in it.

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    Very Active Member Tazdvl's Avatar
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    Quote Originally Posted by Luvs2Play View Post
    Non ethanol 87 octane will work just fine. I would use that long before I would put 91 octane with alcohol in it.
    Unfortunately, we don't have any choice here in AZ, Dave. Our gas is 10% ethanol no matter what octane, and whether we like it or not. 😢


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  23. #21
    Very Active Member cbxer55's Avatar
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    I don't agree with Dave on the 87. Here in Oklahoma we have a choice at the pump whether to use corn, or not. I never use corn. I have a 98 Ranger that pings horribly on 87 no corn. 3.0 V-6 and it pings so bad, it really does sound like marbles in a tin can. Yet it purrs like a kitten on the same brand 91. And yes, it is well taken care of and tuned up. So you really think I am going to put that 87 octane horse piss in my NINE? REALLY??
    Last edited by cbxer55; 08-30-2015 at 01:56 PM.
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    Very Active Member Luvs2Play's Avatar
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    Quote Originally Posted by Tazdvl View Post
    Unfortunately, we don't have any choice here in AZ, Dave. Our gas is 10% ethanol no matter what octane, and whether we like it or not. 


    Taz
    That sucks, they are trying to push this crap on everyone. If I didn't have a choice, I would go to the track and get some 111 octane and mix it with 91 just to limit the amount of farm waste in the fuel.

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    Very Active Member Tazdvl's Avatar
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    Quote Originally Posted by Luvs2Play View Post
    That sucks, they are trying to push this crap on everyone. If I didn't have a choice, I would go to the track and get some 111 octane and mix it with 91 just to limit the amount of farm waste in the fuel.
    Our race fuel here is 107 octane, but the price is exorbitant! $7.99 per gallon.


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  26. #24
    Very Active Member Luvs2Play's Avatar
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    That's what our 111 is, but it's not that much when you figure I get about 40 tanks out of a 5 gallon can when mixed.

    Could also find a marina, they should still have real gas.

  27. #25
    Very Active Member cbxer55's Avatar
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    I get Sunoco 110 myself, from the same place I get 93 from. And yeah, five gallons goes a long way, lasts me almost six months.
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  28. #26
    Very Active Member lost freedom's Avatar
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    Quote Originally Posted by Tazdvl View Post
    Our race fuel here is 107 octane, but the price is exorbitant! $7.99 per gallon.


    Taz
    Welcome to the world of New Zealand, we pay $1.939 per litre for 95 octane so that's $7.75 per your american gallon
    2009 Grape coloured M109R. K&N Big Air Kit. Hard Chrome Sidewinder Exhaust. De-badged and De-beavered, Toe/heel shifter fitted.

  29. #27
    Very Active Member Tazdvl's Avatar
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    Quote Originally Posted by lost freedom View Post
    Welcome to the world of New Zealand, we pay $1.939 per litre for 95 octane so that's $7.75 per your american gallon
    Your math is off a bit. After converting from litres to US gallons, the cost is $7.34 NZ per US gallon. At today's exchange rate, that's $4.74 US.
    I just paid $2.699 US for 91 octane yesterday. That would be $4.18 NZ per US gallon, or $1.10 NZ per litre.
    Either there are no refineries in NZ and you are paying a premium to have your petrol shipped over from Aussieland or the Orient. Or, you are getting screwed!!!


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    Quote Originally Posted by Tazdvl View Post
    Unfortunately, we don't have any choice here in AZ, Dave. Our gas is 10% ethanol no matter what octane, and whether we like it or not. 


    Taz
    OH CONTRA bro..You have a few choices for REAL gas....114 octane weeeeeeeeeeeeee

    http://pure-gas.org/index.jsp?stateprov=AZ



    Last edited by Nemo; 08-30-2015 at 09:06 PM.

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    Very Active Member QZephyr's Avatar
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    Yeah, that ticks me off about alcohol. We had to skip 2 stations on the way to Sturgis because they were alcohol only. 4 times we had to buy premium because it was the only non alcohol choice. Quite a bit more expensive also.

    When you do things right, people won't be sure you did anything at all.

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    Very Active Member SKIDMARK's Avatar
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    The latter applies.

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