blackjesus
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Posts: 3
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Registered: Jan 8, 2018 23:05:55 GMT -7
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Post by blackjesus on Jan 8, 2018 23:14:02 GMT -7
So, I changed my sparkplugs yesterday to new stock replacements. I noticed after commuting today that there's a serious drop in MPG my average would fluctuate around 30-34 where it usually does around 37-40. That didn't seem to serious, but I noticed that one trip to work (~30 miles) resulted in an almost empty tank from full. I usually get to and from work about 2 1/2 times before I refuel, depending on how fast in driving. Sometimes it's a bit more, sometimes less. I'm pretty sure I put everything back together as is supposed to since the bike started right up after the maintenance. But, I'm thinking maybe I'm supposed to reset something on the computer?
Any ideas would be super helpful.
Usa FZ10 2017
30134 miles
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Post by RedAndBlack on Jan 9, 2018 13:14:12 GMT -7
What does that mean, OEM?
If you got non-OEM plugs, could be the gap in the spark plugs is not right which could certainly affect fuel mileage.
Also, did you change or clean your air filter?
Also, not sure where you live but cold weather could be affecting gas mileage. Cold weather affects everything from the bike's electronics (starter and battery work harder) to the fluids that are thicker and cause more friction and worse performance on the engine. Additionally, a lot of places use "winter blends" of gasoline in the winter which notoriously are shit and reduce gas mileage.
Keep us updated especially if you figure it out. |
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superspirit
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Post by superspirit on Jan 9, 2018 16:10:23 GMT -7
What does that mean, OEM?
stands for original equipment manufacturer
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av8er
Junior Member
If my bike could travel at the speed of light, would my headlights work?
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Registered: Jun 21, 2017 1:47:08 GMT -7
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Post by av8er on Jan 9, 2018 16:16:40 GMT -7
What does that mean, OEM? stands for original equipment manufacturer Pretty sure he knows what OEM stands for. I believe his question is do you mean by “new stock replacements”, are they OEM? |
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superspirit
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Post by superspirit on Jan 10, 2018 6:08:34 GMT -7
oops
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Post by RedAndBlack on Jan 10, 2018 11:37:22 GMT -7
What does that mean, OEM? stands for original equipment manufacturer Pretty sure he knows what OEM stands for. I believe his question is do you mean by “new stock replacements”, are they OEM?
Lol! Yes, that's what I meant.
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fastback89
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Registered: Sept 10, 2017 4:01:52 GMT -7
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Post by fastback89 on Jan 10, 2018 17:55:01 GMT -7
30 mpg is better than I've ever gotten with mine, too many wheelies I guess.
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blackjesus
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Post by blackjesus on Jan 11, 2018 14:09:51 GMT -7
What does that mean, OEM? stands for original equipment manufacturer Yes, sorry. That's what I was alluding to. OEM plugs. I live in San Diego, so even when it's cold out, it's not very cold out. A bit spoiled here. But, to note; last year we got about 3 months of daily rain and the bike performed like a dream. She was newer then though, only about 10-15k on the Oodometer. I don't know if fuel is an issue, I religiously use Chevron; or Shell if i really have to. I try to avoid 'mom and pop' shops for fuel. I did notice during today's commute the MPG meter fluctuated wildly between 30-43 mpg which is even more drastic than before and when I hopped off there was a faint burnt smell. Might be the box after all.... Admittedly, I did not change the airbox when I did the plugs. I completely forgot if I'm being honest. I suppose that could possibly be it, I just find it odd since it wasn't an issue with the old plugs installed. I plan on getting a new airbox this week (riding on a budget) once I get paid. Since the bike is my only way about I should really stop procrastinating. I'll change the box and double check the gap this weekend an update you guys. Thanks for the input. |
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Post by RedAndBlack on Jan 11, 2018 16:10:33 GMT -7
What does that mean, OEM? stands for original equipment manufacturer Yes, sorry. That's what I was alluding to. OEM plugs. I live in San Diego, so even when it's cold out, it's not very cold out. A bit spoiled here. But, to note; last year we got about 3 months of daily rain and the bike performed like a dream. She was newer then though, only about 10-15k on the Oodometer. I don't know if fuel is an issue, I religiously use Chevron; or Shell if i really have to. I try to avoid 'mom and pop' shops for fuel. I did notice during today's commute the MPG meter fluctuated wildly between 30-43 mpg which is even more drastic than before and when I hopped off there was a faint burnt smell. Might be the box after all.... Admittedly, I did not change the airbox when I did the plugs. I completely forgot if I'm being honest. I suppose that could possibly be it, I just find it odd since it wasn't an issue with the old plugs installed. I plan on getting a new airbox this week (riding on a budget) once I get paid. Since the bike is my only way about I should really stop procrastinating. I'll change the box and double check the gap this weekend an update you guys. Thanks for the input.
I live in SD as well. Can't wait to ride this weekend.
It could be the air filter because the newer plugs will obviously be performing better than the old plugs but I would think with a dirty air filter and fresh plugs, it's possible the bike could run a little rich.
Good luck! Hope to see you out there!
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blackjesus
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Post by blackjesus on Jan 19, 2018 17:01:37 GMT -7
Hello All,
Sorry for the late update. I have been a busy dude.
I got a resolution to the issue, and it was an odd/small/quick fix.
I didn't get a new air filter yet as the shops didn't have any so I've got one coming in this week. But, I went a took the tank back off to check inside and see if there were any unplugged hoses. This essentially was just a visual inspection in which I noticed that a tube was bent in an odd way (Fuel Tank breather hose #6 in the Cable Routing Diagram) It was kinked pretty much at a 30 degree angle. Which explains the change in the MPG guage every time I hit a little bump in the road. After re routing it under the the right hose and 'breather box' (not sure if that's the right name) and the issue is gone. I'm still going to change the filter this week, but def thought I'd share the update.
Lesson learned, always double check your hoses.
Thanks everybody.
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Post by papawheelie on Jan 19, 2018 19:14:03 GMT -7
Thanks for sharing your experience and resolution!
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sam07
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Post by sam07 on Jan 20, 2018 5:05:13 GMT -7
Thanks for the update.
I remember the first time I lifted the tank, those lines have limited slack and the resistance was caused from the lines moving up out of their routing. It makes sense that if the vent lines are not routed correctly the slack pulled at the top will kink.
If the tanks coming off, I remove the lines from their routing first and the rest is cake.
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