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her gas mileage sucks (Read 220 times)

smitty58 YaBB Newbies Offline SuzukiSavage.com Rocks! Posts: 6	her gas mileage sucks 06/04/08 at 08:49:34 the wifes 2001 savage, gas mileage sucks. she gets 35 mpg. the bike runs excellent, but shouldn't she get better mpg than that? should I decrease the main jet cone air filter #55 Slow jet, #157.5 main jet, drag pipe white spacer mod thanks
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ALittlebird Senior Member Offline SuzukiSavage.com Rocks! Posts: 495 Louisville, KY Gender:	Re: her gas mileage sucks Reply #1 - 06/04/08 at 09:19:05 I have a 2001 completely stock and I am getting 50 in the city.
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Serowbot YaBB Moderator ModSquad Offline OK.... so what's the speed of dark? Posts: 28653 Tucson Az Gender:	Re: her gas mileage sucks Reply #2 - 06/04/08 at 09:23:14 Gas mileage that low seems pretty bad. I run a #150/#50 w/2/3 spacer and get 60mpg. I am at 2500ft elevation, if you're lower than that you need to be richer than me, but maybe not so rich as you are now. Try a #152.5/ #50. The pilot will affect cruising mileage most.
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Prophet_10 Full Member Offline TANSTAAFL Posts: 169 Dekalb, IL Gender:	Re: her gas mileage sucks Reply #3 - 06/04/08 at 09:39:14 Suggest to her that she stops riding at 80+ mph WOT
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smitty58 YaBB Newbies Offline SuzukiSavage.com Rocks! Posts: 6	Re: her gas mileage sucks Reply #4 - 06/04/08 at 09:51:15 thanks for the replies, I think i will go with lower jets, and see if that helps SmittY ps LOL Prophet 10
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T Mack 1 - FSO Serious Thumper Alliance Member Offline sold 2001 LS650 for a 1986 XLH1100 Posts: 2919 Emmaus,Pa Gender:	Re: her gas mileage sucks Reply #5 - 06/04/08 at 10:24:42 Also check the brakes to make sure they are not rubbing.
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bill67 Serious Thumper Offline old tired Posts: 8517 genoa city wisconsin Gender:	Re: her gas mileage sucks Reply #6 - 06/04/08 at 10:40:48 The white washer is what your riding on most of the time is yours out or just cut down.
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dropoutjohn Ex Member	Re: her gas mileage sucks Reply #7 - 06/04/08 at 18:21:01 is the tire pressure right?
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smitty58 YaBB Newbies Offline SuzukiSavage.com Rocks! Posts: 6	Re: her gas mileage sucks Reply #8 - 06/04/08 at 23:09:53 white spacer was replaced the half spacer, from the kit the tire pressure is right
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skrapiron -FSO

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Re: her gas mileage sucks
Reply #9 - 06/05/08 at 05:29:04

Older bike, right? What size is the rear tire? If my summation is correct, she's running a 140/90-15 on the back, right?

More supposition: She rides entirely around town, doesn't she? All stop-and-go traffic?

Conclusion, she's getting exactly the mileage she should be getting.

Here's why:

With the larger than stock rear tire, the accuracy of the speedometer has been thrown off even more than stock (where it can be as much as 10% off to begin with!). The odometer is affected by the larger tire as well. When the speedo indicates 45mph, the bike can be running as fast as 55mph. That means your wife is riding faster and further than she thinks she is.

Stock, the bike will turn in 45-50 mpg in all city driving. With the spacer mod, the large (157.5 is huge!) main jet, cone filter and the drag pipe, it stands to reason that the bike is going to drop well below stock mpg.

If I'm right, the bike is running just how it should given the setup.....

« Last Edit: 06/05/08 at 07:35:50 by skrapiron -FSO »

Everything I say is fully substantiated by my own opinion.

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furious70

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Re: her gas mileage sucks
Reply #10 - 06/05/08 at 08:52:07

I would agree the big jet is probably most of it, but...

Quote:

With the larger than stock rear tire, the accuracy of the speedometer has been thrown off even more than stock

would not be true on my wife's bike at least. Her speedo says she's going about 7% faster than she actually is, so a bigger tire would make it more accurate. From what I know about metric bikes, it's more common for their speedos to read high, not low. Oddly, HD speedos are normally right on.

2002 Kawasaki Mean Streak (mine)
1999 Suzuki Savage (hers)

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smitty58 YaBB Newbies Offline SuzukiSavage.com Rocks! Posts: 6	Re: her gas mileage sucks Reply #11 - 06/05/08 at 10:50:52 bike is 2001 with 4500 miles the mileage is pretty accurate because I put one of those bike computers on for the trip meter it is probably more accurate than the the stock speedo I am trying to see if Lancer has any more Jet kits thanks SmittY
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