Author Topic: Fuel Mileage  (Read 1065 times)

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Offline Cruncher

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Fuel Mileage
« on: June 29, 2017, 09:59:43 am »
WOW!!!!
Forgive me for using metric measures, but that's what we use up North!


I have 2 Kawasakis....

1994 Ninja ZX7
1999 Concours C10

Bike    Tank Size        Kms to reserve
  ZX7     17 liters            230
  C10     27 liters            275

This does not seem to be very good and I would say that I ride my ZX7 a little harder than the C10.

Offline Jim

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Re: Fuel Mileage
« Reply #1 on: June 29, 2017, 10:32:19 am »
The Concours actually has about 21 liters to reserve (5.5 gallons) with about 6 liters (1.5 gallons) of "usable" fuel left.

So, what is the actual fuel consumption (km/L) of the concours (fill-up to fill-up)?  Are you basing 275 km to reserve on the gas gauge or when the engine starts to sputter requiring you to switch to reserve? 

If you're comparing actual fuel consumption, keep in mind the ZX7 weighs 70 kg (150 lbs) less, has less frontal area, no wind blocking saddle bags and 250cc less displacement.


« Last Edit: June 29, 2017, 11:05:23 am by Jim »

Offline Herb

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Re: Fuel Mileage
« Reply #2 on: June 29, 2017, 10:42:12 am »
My '05 C10 last went 389 km to reserve. I fill to the neck on the kickstand.

Offline Warwgn

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Re: Fuel Mileage
« Reply #3 on: June 29, 2017, 11:29:16 am »
I consistently get 240 miles (386 KM) before I need to switch to reserve and can still go another 40 miles after that. I am getting an average of a little over 40 Mpg or about 17 KM per liter. My fuel gauge hits the red right around 200 miles but wont start cutting out until I get around 240-245 and that is when I switch to reserve.

Offline jettawreck

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Re: Fuel Mileage
« Reply #4 on: June 29, 2017, 12:08:23 pm »
Both my 2002 and 2005 C10's went rather consistently to 270-280 miles before reserve. The 2002 for whatever reason(s) always did a bit better mileage than the 2005 and it was stock carb setup as far as I knew. It typically got upper 40's (47-48) and several 50 mpg average tanks. The 2005 always returned lower numbers (45-48) right from when I bought it and even after the SISF carb work and exhaust sprocket.
If my conversions are close, I would have been around 430 km before reserve.
Always filled to the bottom of the cap neck on the centerstand. Kept log books but all went to the new owner(s).
I drove rather conservatively. Mostly two lane rural stuff under 70 mph.
Snowmobiles, I have a bunch.
Motorcycles-I haven't had anything except dirtbikes 30 years ago, so this will be all new to me.
2005 C10 with Rifle w/s, SISF Exhaust sprocket, overflow tubes, 2 minute jet mod. (SOLD)
2004 Honda ST1300-the current mule.

Offline KLRPhil

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Re: Fuel Mileage
« Reply #5 on: June 29, 2017, 01:56:54 pm »
I consistently get 240 miles (386 KM) before I need to switch to reserve and can still go another 40 miles after that. I am getting an average of a little over 40 Mpg or about 17 KM per liter. My fuel gauge hits the red right around 200 miles but wont start cutting out until I get around 240-245 and that is when I switch to reserve.
Ditto for my 2006.
My Connie followed me home after the test ride...

Offline Warwgn

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Re: Fuel Mileage
« Reply #6 on: June 29, 2017, 01:57:55 pm »
I drove rather conservatively. Mostly two lane rural stuff under 70 mph.

I forgot to add that bit which is very important, most of my riding is 75-85 Mph Lot of interstate riding but do get hwy's some. I did ride a 2 lane hwy one day for a fair bit and managed 46 MPG on that tank.

Online Harry Martin

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Re: Fuel Mileage
« Reply #7 on: June 29, 2017, 02:33:02 pm »
If in a pinch, slow down to 55 MPH or less in 6th gear, you can squeeze over 50 MPG out of the old girl.
I routinely get 250 to 300 miles before I hit reserve.

However, I have many factors in my favor like, light weight, small windshield, zero traffic, very light on throttle, E0 fuel, etc., etc.
Harry in Wild and Windy Casper, WY - 1986 Vintage "Silverdammit" - 2015 "Greendammit"

Offline Thud300

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Re: Fuel Mileage
« Reply #8 on: June 29, 2017, 03:08:10 pm »
Unmodified 98 ZG1000, moderate riding over mostly flat terrain, 38ish city, 43ish highway.
Returning old Kawis to riding glory since 2014
1998 Concours "Connimus Prime"  CDA #555
1991 Voyager XII "Xaviera"
1989 454 LTD "Merlin"

Offline kkja13

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Re: Fuel Mileage
« Reply #9 on: June 29, 2017, 05:11:22 pm »
I'm usually right around 40 mpg. 
But I have a problem with the gogo grip on the right.  :motonoises:
2004 C10
2003 Suzuki SV650s
2000 Kawasaki Eliminator 125 (75mpg!)
1993 Suzuki DR350; 1984 Honda XR200R (RFVC); 1985 Yamaha PW80; 1975 Yamaha DT175;
1974 Honda ST90; 1973 Honda Z50 (first bike, still runs)

Offline jettawreck

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Re: Fuel Mileage
« Reply #10 on: June 29, 2017, 09:30:55 pm »
I drove rather conservatively. Mostly two lane rural stuff under 70 mph.

I forgot to add that bit which is very important, most of my riding is 75-85 Mph Lot of interstate riding but do get hwy's some. I did ride a 2 lane hwy one day for a fair bit and managed 46 MPG on that tank.

Yep, most things start to get a bit thirsty above 55/60 mph. Hard to beat the wind and laws of physics.
Snowmobiles, I have a bunch.
Motorcycles-I haven't had anything except dirtbikes 30 years ago, so this will be all new to me.
2005 C10 with Rifle w/s, SISF Exhaust sprocket, overflow tubes, 2 minute jet mod. (SOLD)
2004 Honda ST1300-the current mule.

Offline Cruncher

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Re: Fuel Mileage
« Reply #11 on: June 30, 2017, 09:39:59 am »
WOW. There has to be something wrong. I had 275Kms when it sputtered and I had to switch to reserve. It took 21 liters of fuel to top up. So that equates to 30.8 MPG. I will keep checking and try to do some things.....

1. Lose weight (good luck with that) I am 67. Weight does not shed quickly.  :-[
2. Remove saddle bags. That's an easy one.   ;)
3. Ride the ZX7 more often. Also easy to do.  :great:


Cruncher.

Offline Pbfoot

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Re: Fuel Mileage
« Reply #12 on: June 30, 2017, 01:41:11 pm »
I get 225 at 80 mph and then hit reserve.  My best is 43mpg, my worst was 22
If you don't have time to do it right, when do you have time to do it over.                                                                17" wheels, Nissin 4 piston calipers.1kg Sonic Springs.Cartridge Fork Emulators. KB Brace. Galfer brake lines  Free power mod.

Offline Mettler1

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Re: Fuel Mileage
« Reply #13 on: June 30, 2017, 03:45:41 pm »
  I have had my C10 for 23 yrs. Longest I have ridden is 250 miles on a tank. I have never used reserve. (Bet I was close though ::) ) On a road trip I usually get about 48 mpg. Most of the time I only stop for a pee or butt  break on the E-way.
« Last Edit: June 30, 2017, 03:50:24 pm by Mettler1 »
'94 Concours 115,000 miles-- 7th gear,2MM,KB fork brace,Over flowtubes,Stick coils,Tcro shifter,GPS,SiSF'sTorque cams,SPOOKFAK,block off plates, SS brake & clutch lines,KB risers, FENDA EXTENDA, emulators, SiSF carb Spa, Delkevic exhaust, Murphs' knee savers +grips, etc

Offline Canadian Steve

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Re: Fuel Mileage
« Reply #14 on: July 02, 2017, 11:44:46 am »
Cruncher

Unless you are riding really fast and hard ALL the time there is definitely something not right.
My 99 would routinely do 400-450 km before reserve riding 2up on 2 Lane roads. I have on a few occasions hit 500km but tank was getting quite low.

New plugs, clean air filter, no dragging calipers

It may be time to send your carbs to SISF for a tuneup, especially for overflow tubes.
1999 Concours ...stock cept fer some tweaks by SSIF (sold May/16--goodbye old friend)
2014 FJR

Offline TnRider

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Re: Fuel Mileage
« Reply #15 on: July 02, 2017, 04:43:34 pm »
43 mpg for me this a.m. after a 100 mile ride on highways including around 30 miles revving it around curvy roads (weight between 250 and 300 lbs. and am 63).   :beerchug:
« Last Edit: July 02, 2017, 04:47:01 pm by TnRider »

Offline Catrinus

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Re: Fuel Mileage
« Reply #16 on: July 17, 2017, 07:55:30 pm »
I seldom get less than 40 MPG and on long trips (but keeping it to 65 MPH or less) I have experienced 48-50.  I tend to be a conservative, steady rider.  Speeds above 70 MPH definitely eats into my fuel efficiency.
94 C10 (since Oct 2013) CDA #528
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Offline Cruncher

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Re: Fuel Mileage
« Reply #17 on: August 12, 2017, 02:11:50 pm »
It seems that I may have found the problem. I decided to check out the electrical system, so I removed the tank, coils, spark plug wires and lastly the plugs. The last plug I removed was the #1 and I found it was all rust. I assume the previous owner had left it out in the rain on the side-stand and water had gathered on the left side of the head and slowly seeped past the boot and down into the #1 well. The connector in the boot was also full of crud and rust. I replaced and gapped all 4 plugs, cleaned the boots, put dielectric grease around the top of each boot, got on the gear and went for a test ride. WOW, it now performed just like a heavier 1,000cc bike should.  :great: I filled up the tank and went out for a long ride. Now I did not ride like a newbie, I rode the go-grip hard jus because I like the response in all 6 gears. I rode hard and cornered hard (even scraped the centre-stand on a corner). The result was 40mpg!!!!!  :))

I LOVE THIS BIKE NOW. I want to ride it everywhere!!!!!!

There is a bike-GOD up there!  :)

Offline connie_rider

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Re: Fuel Mileage
« Reply #18 on: August 12, 2017, 02:43:25 pm »
Great news Cruncher!   :great: :great:

By the bye; I've found that the MPG is directly proportional to the twist of the wrist!!    :-\

Not sure what you've done to the bike?
  Have you done the baffelectomy or the free power Mod??
    If not, do them.
            Both are free and both will make the bike better..

By aware of the Farkelitis disease: More grins are just a few $$ away.     :)
    I suggest Steve's 2 min jett kit and his Torque Cam {or Ex sprocket}.
           <evil grin>

Ride safe, Ted
« Last Edit: August 12, 2017, 02:46:30 pm by connie_rider »
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Offline Mettler1

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Re: Fuel Mileage
« Reply #19 on: August 12, 2017, 03:02:49 pm »
 Another is SiSF's 7 gear mod. Better mileage and less vibration at E-way speeds. One of my better upgrades! :great:

                  https://sites.google.com/site/shoodabenengineering/7th-gear-unit
'94 Concours 115,000 miles-- 7th gear,2MM,KB fork brace,Over flowtubes,Stick coils,Tcro shifter,GPS,SiSF'sTorque cams,SPOOKFAK,block off plates, SS brake & clutch lines,KB risers, FENDA EXTENDA, emulators, SiSF carb Spa, Delkevic exhaust, Murphs' knee savers +grips, etc

Offline VTconnie

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Re: Fuel Mileage
« Reply #20 on: August 12, 2017, 03:09:10 pm »
It seems that I may have found the problem. I decided to check out the electrical system, so I removed the tank, coils, spark plug wires and lastly the plugs. The last plug I removed was the #1 and I found it was all rust. I assume the previous owner had left it out in the rain on the side-stand and water had gathered on the left side of the head and slowly seeped past the boot and down into the #1 well. The connector in the boot was also full of crud and rust. I replaced and gapped all 4 plugs, cleaned the boots, put dielectric grease around the top of each boot, got on the gear and went for a test ride. WOW, it now performed just like a heavier 1,000cc bike should.  :great: I filled up the tank and went out for a long ride. Now I did not ride like a newbie, I rode the go-grip hard jus because I like the response in all 6 gears. I rode hard and cornered hard (even scraped the centre-stand on a corner). The result was 40mpg!!!!!  :))

I LOVE THIS BIKE NOW. I want to ride it everywhere!!!!!!

There is a bike-GOD up there!  :)

Cool, well done! We have to be careful about judging bikes when they are not 100%. If you don't have any SISF goodies for the carbs, they make the riding experience even better. Steve's 2MM provides better fueling off-idle through the midrange, and you can really feel all 1000cc of brunt, especially in 5th or 6th gear.

40+ MPG, maybe 45 Mpg with mixed and even hard riding was my experience too, with stock 32mm carbs and the same set with the 2 Minute Mod. After bumping up to 36mm SISF built carbs, and dialing the fueling up myself a little, 40 Mpg is now my upper range! And I go through back tires, not sure if there is a causation..
 :) :motonoises:
« Last Edit: August 12, 2017, 03:12:44 pm by VTconnie »
<--2003 Concours C-10 "Conifer", -AKA- The Cruise Missile
1980 CB900C DOHC "Old Iron" -AKA- The Hill Climber                

Offline Nosmo

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Re: Fuel Mileage
« Reply #21 on: August 12, 2017, 08:01:49 pm »
Having three cylinders supply power with the fourth jug being nothing but an air compressor can have several effects on performance.  Glad you found the problem.  Connie may be old and fat, but she'll run if she can. :motonoises:

For comparison, I also have SISF's 2-min carb mod, 7th gear mod, and cam gear reset mods, and get 45 MPG regularly.
« Last Edit: August 12, 2017, 08:05:40 pm by Nosmo »
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Offline VTconnie

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Re: Fuel Mileage
« Reply #22 on: August 12, 2017, 09:00:21 pm »
Having three cylinders supply power with the fourth jug being nothing but an air compressor can have several effects on performance.  Glad you found the problem.  Connie may be old and fat, but she'll run if she can. :motonoises:

For comparison, I also have SISF's 2-min carb mod, 7th gear mod, and cam gear reset mods, and get 45 MPG regularly.

And that is with spirited riding too, I imagine. We should try some hyper-mile'ing with the Concours, especially ones with a 7th gear unit. 
<--2003 Concours C-10 "Conifer", -AKA- The Cruise Missile
1980 CB900C DOHC "Old Iron" -AKA- The Hill Climber