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  #1  
Old 10-13-2018, 10:13 AM
DanFellows DanFellows is offline
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Member posting for 1st time

Hi Folks

My name is Dan Fellows here in Mechanicsville VA!

I currently have a 1999 K1200RS! Iím having a problem with. Appears that #3 xxl is running a lot cooler than other three Cylinders and just after warmup Iíve picked up a (skip?). Do not have ga911 so do not know what code is being thrown. Iíve put in new fuel filter kit, QC, file lines, TB vent tube, removed canister, replaced injectors, plugs and wires, used coil, checked O2 sensor, TPS, IAC, cleaned TBís, verifies no vacuum leaks, adjusted throttle cable, added air box booster plug, checked battery, and added fuel pressure gauge at fuel rail (showing 54 psi steady). Iíve verified OHMís on plug wires. It is idling high so suspect TPS but have never moved it on TBís! I did relax the springs on the TBís due to spring rates on these bikes but thatís it! Also have a wrecked 2001 K1200RS due to accident!! Iím lost to what to do next!

Thx Dan
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Old 10-13-2018, 10:33 AM
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Welshman Welshman is online now
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Re: Member posting for 1st time

Dan

i can't help with your RS issues but welcome to the site anyway. Someone will be along in a moment who knows about these things.
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  #3  
Old 10-13-2018, 02:10 PM
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Re: Member posting for 1st time

Welcome, Have you done a leak down test for compression? The RS series is known to carbon up valve faces.
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Old 10-13-2018, 02:31 PM
DanFellows DanFellows is offline
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Re: Member posting for 1st time

Thx Beech

I have not done a leak Down test but will and let you know what I get! Appreciate your response!!

Dan
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Old 10-13-2018, 06:58 PM
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Re: Member posting for 1st time

Dan:

Welcome to the site.
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Old 11-14-2018, 10:11 AM
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Re: Member posting for 1st time

Welcome to I-bmw Dan.




Best site there is!





Where are you with your problem?
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Old 11-14-2018, 03:18 PM
DanFellows DanFellows is offline
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Re: Member posting for 1st time

Hello Louis

Have not gotten a leak down tester yet but working on it!

Thx Dan
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Old 11-14-2018, 05:16 PM
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Re: Member posting for 1st time

Compression test first,forget the leak down just yet.A compression test will tell you enough for now.

And find a 4-columns manometer to see about TBs balance.

Replaced injectors? I got caught by that after an injector cleaning.Didn't clean the fuel lines and contaminated my freshly cleaned injectors right away.

TPS adjustement is pretty easy with a voltmeter once you attach two small wires (or just one at pin 1) at the TPS connector to read the Voltage with TVA removed.That has been shown and posted for other BMWs with same TPS/Voltage.I have Jean's method with pics but I am rather busy today.If nothing gets posted in the next few hours I'll come back with pics.
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2003 K1200 RS at 53 (Oh Yeah......over 6000RPM)
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Old 11-14-2018, 06:09 PM
DanFellows DanFellows is offline
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Re: Member posting for 1st time

Thank you!

Just ordered compression tester so should have in a couple days!

Put new fuel filter and all new fuel lines along with injectors! But will still keep in mind!

Have done to TPS test with the TVS REMOVED (on bench) but can also do again to be sure itís got proper voltage!

Thx again Iíll get back with results!

Dan
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  #10  
Old 11-15-2018, 11:37 AM
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Re: Member posting for 1st time

You need a special tool to reach the inner TPS screw.I use a 6" length of steel brake pipe with a slight bend in it.And stick the Torx wrench in the pipe.

Mind you for all that playing with that I may have done.....TPS is always at the scratch reference mark I put on it years ago.Right in the middle of the adjustement slots.

Fuel pressure good but how is the bleed down? Once pressurized system should hold pressure for a good long while.1/2 hr is the check time that most FI specialists recommend but a tight system will hold pressure overnight.

One can put tank/lines/rail/injectors on the bench and run it in close loop.Power pump to pressurize and inspect injectors for seepage.And click open each injector in turn with a cheap pulser to inspect spray pattern etc...!

I picked up a few supplies a couple days ago to do just that as part of my yearly check ups.And finish my project from 2 yrs ago.I may even show & tell with pics but that won't be for a few weeks.

But careful if spraying gas out of them injectors....they'll shoot 8' at +50PSI.
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Benelli 50cc at 14
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Yamaha RD350 at 17
Honda CB750F at 18
Honda V45 Sabre at 24
85 BMW K100RS at 28 (Very nice and sorely missed)
90 BMW R100GS at 34 (Too slow, too cranky)
2003 K1200 RS at 53 (Oh Yeah......over 6000RPM)
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