only getting 45mpg on 2001 svs?
randygrein at comcast.net
Tue Jul 22 21:42:00 PDT 2008
Jetting on my street bike is stock - no changes at all. And I just
checked, with the fairing and hard bags I'm getting 55 mpg freeway,
averaging just over 70 mph. I did drop a tooth off the rear sprocket
which seems to have helped - makes me wonder what going to a 16/45
setup would do.
Randy Grein, WMRRA #41
On Jul 22, 2008, at 12:47 PM, Jo Rhett wrote:
> I take it from your numbers that before you started jetting it was
> very lean? And that the only way to get those 50-55mpg numbers is
> to lean it out, perhaps too much?
> On Jul 18, 2008, at 12:31 PM, Mike Carter, Jr. wrote:
>> Stock jetting, I would get 50~55 mpg frequently on my 2000 naked.
>> This was normal 55mph~60mph riding on back country roads. Highway,
>> it would drop down to around 48mpg.
>> Then I rejetted when I added my dual Renegades (152.5 mains, hogged
>> out stock air filter, 17.5 pilots, drilled slide hole, 2.5 turns on
>> the A/F screw, dynojet needle on the third clip) and it was dyno
>> tuned to have the perfect A/F ratio throughout the rev range. I
>> was getting 45 mpg EVERYWHERE. No matter, if I rode two up, one up
>> loaded for touring, track days, spirited street, highway...any
>> combo... I always got 45mpg in return.
>> When I did the 03 intake cam swap, it jumped up to 48mpg everywhere
>> with no changes...but my jetting was off (according to the dyno).
>> I had to up to 160F/162.5R mains. And as expected, my mileage
>> decreased to around 44mpg.
>> Now I have a set of 41mm Kehien FCR's... I really don't care about
>> mileage...it's just too much fun to ride now.
>> What I am trying to get at here is...if you have any type of
>> jetting change, open exhaust, etc... you will get right around
>> 45mpg. I've seen it on my bike and few other first gen SV's I ride
>> with as well. If I was to jet for mileage (and rideability
>> second), I would go with the stock setup (oe filter with the
>> snorkle in it, 137.5 mains, 15 pilots at 2.5 turns and stock needle
>> with no shim under it). But to get a compromise (I have rejetted a
>> few friends to this and they love it). Stock air filter (snorkle
>> still intact), 140 Mikuni mains, 15 pilot, 3 turns on A/F, drilled
>> slide hole, 1 shim under the needle and stock exhaust. Runs much
>> better and the throttle response is VERY good.
>> And who said jetting isn't fun?
>> ----- Original Message ----
>> From: Jo Rhett <jorhett at fastlizardracing.com>
>> To: Suzuki SV650 Mailing List <sv650 at micapeak.com>
>> Sent: Friday, July 18, 2008 2:41:07 PM
>> Subject: only getting 45mpg on 2001 svs?
>> I figured my gas mileage was a bit low, but after measuring for a
>> month or so it's pretty dead average 45mpg. I swear I used to get
>> 52mpg on my 2002 before I turned it into a racebike.
>> This could all be in the throttle hand, obviously. But 7mpg seems a
>> bit much for just that.
>> Besides cleaning the air filter, anything else I should check?
>> Jo Rhett / velociRaptor Racing
>> #553 WERA / AFM
> Jo Rhett / velociRaptor Racing
> #553 WERA / AFM
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