BMW K bikes (Bricks)

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Matthew-Brisbane

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Hello all

So i washed the bike today and this has caused me no ends of grief

1) idling rough ? TPS ?

2) choke light on with no choke ?
Would brighten and dim when increasse of revs

3) Netural light on in gear

4) gear indincator would show 0 ? In first and second
But third would show 3rd

Surgestions

I have left it on trickel charge over night ? Hopefull drying out will clear it ?

    

Dai

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1. Possibly. Check to see if the case is in one piece
2. Check the throttlebody bar bar is returning to closed correctly (put your finger on it and push down)
3. and 4. You've got water in the GPI switch. Chances are that the cover has rotted and split - they all do it.


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'83 K100 upgraded to K100RS spec
Others...
'78 Moto Guzzi 850-T3, '79 Moto Guzzi 850-T3 California,'93 Moto Guzzi 1100ie California,
'03 Suzuki Blandit GSF600SK3 (NFS any more because wifey has claimed it)
    

charlie99

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i think you got it all in one dai


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cheezy grin whilst riding, kinda bloke ....oh the joy !!!! ...... ( brick aviator )

'86 K100 RT..#0090401 ..."Gerty" ( Gertrude Von Clickandshift ) --------O%O
    

Two Wheels Better

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I used to have gear position indicator issues after washing the bike or riding in heavy rain. Turned out to be the 'gel-like' material used to seal the switch on the back of the gearbox was perishing, cracked, alowing the ingress of moisture. I removed it whilst doing a clutch replacement and packed it up to level with a neutral gasket maker putty. Has worked a charm ever since.

I try to direct short blasts of forced air from a compressor at the vital lekky connections to dry them off quickly after washing the bike, steering clear of bearings and seals, however.


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1987 K100RS, '93 K11/K12 hybrid 'Big Block', '09 K1300GT, '07 K1200R, '04 R1150RT, '95 R100 Mystic, '77 R75/7.
Have we accomplished half of what we dreamt we would? There may still be time.
    

92KK 84WW Olaf

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You didn't by any chance use a power washer?


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1992 K100LT 0193214 Bertha Alaska Blue 101,000 miles
1984 K100RT 0022575 Brutus Baja Red bought 36,000 now 89,150 miles
1997 K1100LT 0188024 Wotan Mystic Red 58,645 now 83,050 miles
    

Matthew-Brisbane

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No only the tap with no hose nozzel

Well the choke light has sorted it self out and the idling

But looks like im up for a spline lube
But was hoping to do that in winter

Sitting in a tin shed on a 35 + Deg day not fun

    

Born Again Eccentric

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Nothing wrong with using a pressure washer -as long as you keep a suitable standoff distance and keep away from sensitive parts like electrics, GPI sensor (actually quite hard to get to with a pressure washer) or radiator fins...

In my part of the world, a pressure washer is the only way to get the mud off, the mud that our local , generous farmers, insist on taking from their fields and liberally spreading on the road.

The fact that your GPI has gone kaput with just a regular garden hose, suggests that the seal is well and truly goosed and will continue to allow any flavour of moisture in. The good news, of course, is that you don't actually need a GPI to ride the bike. OK, so it is very convenient to know what gear you're in, great to have that glowing green neutral light and the ability to start the bike without pulling in the clutch...but back to basics and going up and down through the gears and finding neutral the old fashioned way is not hard to do. You'll even have the added bonus of being in 9th gear (indicated) at times while living with a dodgy indication.

You will still want to change the GPI (or strip, deoxit, clean and reseal the old one (do it in a cardboard box or you'll be hunting tiny springs and little pins for weeks)) at some point - but living with it for now, will perhaps give you more comfortable temperatures to do the job in, later on.


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Paul

"Heidi" K100LT 1991 (Grey) (VIN 0190172 Engine No. 104EB 2590 2213) - 5th owner. January 2014 (34,000 - 61,000 miles and counting....)
"Gretel" K100LT 1989 (Silver Grey) (VIN 0177324 Engine No. 104EA 2789 2211) - 4th+ owner. September 2015 (58,500miles and counting....). Cat C Insurancewrite-off rebuild Feb 17
"Donor" K100LT 1990 (Red) (VIN 0178091 Engine No. 4489 2024) - 6th & final owner (crash write-off now donor bike). June 2012 (73,000 miles) to November 2013 (89,500 miles)
    

92KK 84WW Olaf

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GPI went kaput on my RT and I left it like that until I as doing the rear main seal and then did everything while I was in there. No problem managing without it, but you need to make sure your clutch switch is good. Always worth having a spare switch in the shed in case it acts up.


__________________________________________________
1992 K100LT 0193214 Bertha Alaska Blue 101,000 miles
1984 K100RT 0022575 Brutus Baja Red bought 36,000 now 89,150 miles
1997 K1100LT 0188024 Wotan Mystic Red 58,645 now 83,050 miles
    

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