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Registered User
Join Date: Oct 2005
Posts: 68
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Fuel Reg. Mod ? anyone?
anyone remember the details (or whereabouts thereof) on swapping the r1100s fuel press. reg. for the k1200's . It sounded like it helped out for mimimal cost / time.
THX Reino |
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02-10-2006, 04:18 PM
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Pull the tank and then the battery/battery box ( much easier if you don't gots ABS ) - the reg. is right in front of the air box. A good time to install quick disconects for the fuel lines...and change the fool filter....
jeff ..ooooooo....."smoke two joints" ( Toyes ) is on the radio.... must be friday get away time..... ya mon....
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_________________________ jeff clark 99 R1100S 82 Alfa Romeo Spider Veloce |
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02-10-2006, 05:12 PM
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Living on borrowed time!
Join Date: Dec 2003
Location: Tacoma, WA, USA
Posts: 7,018
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of course, you can just mod the stocker via the 'crush' method. However, just willy-nilly upping the pressure some unknown amount isn't very efficient. I've been toying with the idea of (and RBRSR aleready has a setup) of a bosch billet adjustable regulator with gauge.
do a good 0=0 TPS dialin with the voltage set to .380MV (do a search here and you'll find volumes on this) and I'd bet lunch the surging will go away; also try some conventional NGK plugs (BKR7EA-11, a honda motorcycle part #). or you couold just tape over 1/2 the snorkel; that'll fatten it up across the board 
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Better a has-been than a wanna-be 'I am John Andrew Moffett of the Clan Moffat and by god I live, love, seek, fail, grieve and die as I so choose and I call no man master save me'. |
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02-10-2006, 05:18 PM
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Registered User
Join Date: Aug 2003
Location: San Andreas CA
Posts: 326
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I did the k12 with good results, but I also had aftermarket exhaust, sj power filter and duct. have to breath in and out better to use that fuel. I think it was a 3.4 bar. stock is 3.0 bar. cost of regulator was 40 bucks.
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02-10-2006, 06:17 PM
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Registered User
Join Date: Dec 2003
Location: Western Kentucky
Posts: 312
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I introduced this mod to the board in 2000. I do not remember anyone who used it having a negative result other than a slight loss of gas milage. It works on stock and modified bikes to richen the lean fuel map to a more desirabe one.
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02-10-2006, 07:35 PM
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Registered User
Join Date: Oct 2005
Posts: 68
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Thanks for the info. I have zteknik sp? exh. w/ k&n filter and just dont want to run too lean. I do not have chip so I was thinking it might be a bit lean. So it's under the tank, in front of the filter.
is ither anything specific about the procedure now that I know how to locate it? k1200s w/ 3.4 bar correct? Appreciate it. |
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02-11-2006, 06:05 AM
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unsafe at any speed
Join Date: Dec 2003
Location: Arkansas
Posts: 11,957
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Bill Swartzwelder 2002 R1100S Prep/2006 BMW R1200GS 1969 BSA StarFire |
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02-11-2006, 06:14 AM
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Registered User
Join Date: Aug 2003
Location: San Andreas CA
Posts: 326
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I did it without bleeding the abs system. I unbolted it and moved it just enought to change the reg, leaving the hydraulic lines hooked up on the abs.
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02-11-2006, 08:11 AM
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No try, do or not do
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part number for the K12S regulator? I have searched the Max BMW microfiches to no avail.
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2017 R1200GSW Rallye Shreddr Signature Model |
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05-30-2007, 05:30 PM
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Registered User
Join Date: Jul 2003
Location: Home Of Elvis (Memphis,Tn.)
Posts: 505
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It's k1200RS
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05-30-2007, 05:47 PM
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No try, do or not do
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found it! $61 at Max BMW
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2017 R1200GSW Rallye Shreddr Signature Model |
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05-30-2007, 06:13 PM
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Registered User
Join Date: Oct 2000
Location: Castle Pines Colorado. USA
Posts: 3,050
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It will run to rich
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Dyno'd 104Hp 74.3 ft lbs torque at the rear wheel 1150 cylinders 12:1 pistons/ race cams, Lennies induct, Laser Boxercup II Exhaust, Ohlins shocks, Dymag Carbon Fiber Five Spoke wheels, Crossover tube removed,  heads ported and polished Bigger valves installed intake and exhaust! SJ power filter, motoyoyo clamps , HID
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05-30-2007, 08:10 PM
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No Info on (t)his member
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Just a little.... overall a good mod. IMNSHO .
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_________________________ jeff clark 99 R1100S 82 Alfa Romeo Spider Veloce |
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05-30-2007, 08:16 PM
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Moderator
Join Date: Aug 1999
Location: Austin, TX. USA
Posts: 11,605
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It's a bit of a hack mod unless airflow through the motor has been drastically increased. Parts of the stock mixture curve are of course too lean, but some are right and some too rich. You're fixing one part, and hurting two parts, in most cases.
This is like most short cuts where fools believe they're getting something for (almost) nothing. In a well mod'd bike like Ed's, it can be useful, but for most, it's just burning more fuel and enjoying the placebo effect. This is just like all the guys in the old days with mildly modified V8s that thought they needed 850 double pumpers. Just makes no sense.
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99 R11S w/ BBP, InDuct, Öhlins, PVMs, Braking, SJ-Filter, ZTech, HIDs D675 R90Cafe R60/2 M900 SV650-SS CBR150R XR125 & CRF175 Motards OnRoad OffRoad Cycles, Austin, TX: BMW, Ital, Suspension, Electrics Dealer for K-Tech, JRI, GP Suspension, Penske, Öhlins, RaceTech, Elka, Wilbers, IKON & Works www.ororcycle.com CMRA EXPERT #841 Various Formula 5, 6 & 7 championships 2006-2012 A3, Navigator, |
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05-31-2007, 09:24 AM
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No try, do or not do
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would my laser exhaust and induct count as a drastic increase in airflow? or am i just a fool?
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2017 R1200GSW Rallye Shreddr Signature Model |
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05-31-2007, 03:56 PM
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Moderator
Join Date: Aug 1999
Location: Austin, TX. USA
Posts: 11,605
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no, not drastic,
you can probably use some enrichment on bottom and top, but not mid.
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99 R11S w/ BBP, InDuct, Öhlins, PVMs, Braking, SJ-Filter, ZTech, HIDs D675 R90Cafe R60/2 M900 SV650-SS CBR150R XR125 & CRF175 Motards OnRoad OffRoad Cycles, Austin, TX: BMW, Ital, Suspension, Electrics Dealer for K-Tech, JRI, GP Suspension, Penske, Öhlins, RaceTech, Elka, Wilbers, IKON & Works www.ororcycle.com CMRA EXPERT #841 Various Formula 5, 6 & 7 championships 2006-2012 A3, Navigator, |
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05-31-2007, 04:01 PM
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Registered User
Join Date: Oct 2000
Location: Castle Pines Colorado. USA
Posts: 3,050
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Something that will fix the problem in the works !
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Dyno'd 104Hp 74.3 ft lbs torque at the rear wheel 1150 cylinders 12:1 pistons/ race cams, Lennies induct, Laser Boxercup II Exhaust, Ohlins shocks, Dymag Carbon Fiber Five Spoke wheels, Crossover tube removed, heads ported and polished Bigger valves installed intake and exhaust! SJ power filter, motoyoyo clamps , HID
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05-31-2007, 05:25 PM
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No try, do or not do
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fess-up EZ, whatcha working on?
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2017 R1200GSW Rallye Shreddr Signature Model |
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05-31-2007, 05:31 PM
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Registered User
Join Date: Oct 2000
Location: Castle Pines Colorado. USA
Posts: 3,050
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just wait and see new product !
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Dyno'd 104Hp 74.3 ft lbs torque at the rear wheel 1150 cylinders 12:1 pistons/ race cams, Lennies induct, Laser Boxercup II Exhaust, Ohlins shocks, Dymag Carbon Fiber Five Spoke wheels, Crossover tube removed, heads ported and polished Bigger valves installed intake and exhaust! SJ power filter, motoyoyo clamps , HID
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05-31-2007, 07:06 PM
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R1100S
Black Beauty
