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TOPIC: Re:POOR MPG Forum Tools Post New Topic Show latest posts Rules

#522706 Curt (Moderator) Never to old to ride! Moderator Posts: 14922 Re:POOR MPG 10 Months, 3 Weeks ago   You can run the 172.5 and move the clip on the needle to 3rd slot with white spacer and 2 silver wahers. That is what I was running with my OEM carb here in the Dallas area and I could get up to 52 mpg at 65-7- mph. Around town I would get around 36-38 but I twisted it in town. But do check for leaks at the manifold and pipes first the PMS good spot is around 2-2.5 out.   Logged     My Site Black Ice is Shiny, Black Ice is Deadly, Ya Wanna Ride My BlackIce?   The administrator has disabled public write access. #522708 Plumbwader (User) Romans 10:9 Senior Boarder Posts: 295 Re:POOR MPG 10 Months, 3 Weeks ago   SKWEARpeg wrote: Plumbwader wrote: I am running regular unleaded. I was running about 2 3/4 out until yesterday and I did the adjust the PMS in until rough idle then back it out and it seemed to run best at about 3 1/8. I was getting some decel pop when I would decel from high speeds(80 plus). That's why I wanted to turn it out a little. Felt like I was lean. I think I'd check real good for a leak that may be starting at the manifold and head joint. Check the tightness on your exhaust manifold bolts also. If their loose, it can cause some popping. Although 85 will suck the fuel big time, now that your back to the usual routine, your fuel mileage should resemble what it was before. Did you set the idle up to about 900rpms with the motor warmed up good before you did your tweaking on the PMS?I will get some starting fluid today to see if I have leaks. My bike was definitely warm but I'm not sure about the rpms as I don't have a tack. I just set the idle until I get a good giddy up lope. Something else I forgot to mention was I have been having to adjust the idle a lot at stop signs when I come off the highway. It always seems to be idling high after being under load.   Logged     05 midnight, AIS removed, Arlen Ness Big Sucker, V and H 2 into 1 propipe HS, 172.5 main, pms 2.5, 3rd groove 2 washers, 650 ASL   The administrator has disabled public write access. #522710 Plumbwader (User) Romans 10:9 Senior Boarder Posts: 295 Re:POOR MPG 10 Months, 3 Weeks ago   How do I check to see if my pipes are leaking? Do I spray soapy water on the flanges at cold start?   Logged     05 midnight, AIS removed, Arlen Ness Big Sucker, V and H 2 into 1 propipe HS, 172.5 main, pms 2.5, 3rd groove 2 washers, 650 ASL   The administrator has disabled public write access. #522778 SKWEARpeg (User) Platinum Boarder Posts: 5883 Re:POOR MPG 10 Months, 3 Weeks ago   Plumbwader wrote: SKWEARpeg wrote: Plumbwader wrote: I am running regular unleaded. I was running about 2 3/4 out until yesterday and I did the adjust the PMS in until rough idle then back it out and it seemed to run best at about 3 1/8. I was getting some decel pop when I would decel from high speeds(80 plus). That's why I wanted to turn it out a little. Felt like I was lean. I think I'd check real good for a leak that may be starting at the manifold and head joint. Check the tightness on your exhaust manifold bolts also. If their loose, it can cause some popping. Although 85 will suck the fuel big time, now that your back to the usual routine, your fuel mileage should resemble what it was before. Did you set the idle up to about 900rpms with the motor warmed up good before you did your tweaking on the PMS?I will get some starting fluid today to see if I have leaks. My bike was definitely warm but I'm not sure about the rpms as I don't have a tack. I just set the idle until I get a good giddy up lope. Something else I forgot to mention was I have been having to adjust the idle a lot at stop signs when I come off the highway. It always seems to be idling high after being under load. At 900rpms, the lope is gone, its about as smooth as a V-twin Roadie can idle. It will sound kinda fast. At 700rpms, you just start the lope. Constantly screwing with the idle probably is a sign its to low. I set mine at 700rpms, and leave it alone. You can check for leaks around the exhaust, by using a lit cig if you smoke, or an incense stick(that Zen dude Curt, started that). The burning tip will flare with any leak as the air blows by...like blowing on charcoal.   Logged       The administrator has disabled public write access. #525831 Plumbwader (User) Romans 10:9 Senior Boarder Posts: 295 Re:POOR MPG 10 Months, 2 Weeks ago   OK I've run two tanks of gas through her since my adjustments and I'm getting a shade under 44 MPG on both tanks. I still smelled rich, whichever has been a problem since I bought the roadie, so I did the choke knob trim. That eliminated the.rich smell on the way in today so I'm excited to see if that will also improve my mileage. Thanks for everyone's help.   Logged     05 midnight, AIS removed, Arlen Ness Big Sucker, V and H 2 into 1 propipe HS, 172.5 main, pms 2.5, 3rd groove 2 washers, 650 ASL   The administrator has disabled public write access. #525840 SKWEARpeg (User) Platinum Boarder Posts: 5883 Re:POOR MPG 10 Months, 2 Weeks ago   44 is great for commuting mileage. On a steady run at a reasonable speed for good mileage(south of 75 ) it should be really good. You can tweak the duration screw on the accelerator pump now too. I'm about 2 1/2 turns off the lock nut, with the nut on top of the arm. It'll take some of the response out when leaving a stop, but you can find a happy medium between the stock, and where its to sluggish. There's a Tech Article about it.   Logged     Last Edit: 2012/08/03 07:29 By SKWEARpeg.     The administrator has disabled public write access. #526019 smokescreens (User) lifes better riding twins Platinum Boarder Posts: 10377 Re:POOR MPG 10 Months, 2 Weeks ago   Plumbwader wrote: How do I check to see if my pipes are leaking? Do I spray soapy water on the flanges at cold start? Smoke, and watch for it to be disturbed. Look at all the conection points.   Logged     feel free to look thru my albums email me at jasonwoody1982@yahoo.com my 2005 midnight 1700 ORIGINAL ROAD SLAMMER   The administrator has disabled public write access. #526113 Gonzodad (User) Junior Boarder Posts: 162 Re:POOR MPG 10 Months, 2 Weeks ago   When i bought my R it was getting 37mpg and had a huge piece of plexi for a shield. Had the shield off once and ran 200 miles up to OKC from Dallas at sustained speeds of 80+ and got 47. Then I added the batwing and dropped to 43. I can live with that. Gonz   Logged     2004 XV1700 Original Roadwing Version!!   The administrator has disabled public write access. #531397 dforbes (User) Fresh Boarder Posts: 9 Re:POOR MPG 10 Months, 1 Week ago   Hey,just a thought, how much oil did you spray on your filter when you recharged it? I've over oiled mine before and suffered on gas milage. Just a thought>   Logged     The administrator has disabled public write access.

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