Question about 1984 BMW K 100 RT

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I have a 1984 bmw k 100 rt. The problem is at different times the spark plugs are flooding. Sometimes, it is plug 2, next time plug 3.

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Time for carburator clean up!

Posted on May 03, 2010

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1 Answer

Why won't it start when hot?


Hi, John and the usual suspects are:
1. Fuel tank empty.
2. Fuel supply valve/petcock turned off.
3. Fouled spark plugs.
4. Engine flooded as a result of overuse of the enricher.
5. Vacuum hose to the fuel supply valve/petcock disconnected, broken, cracked, or pinched.
6. Fuel valve/petcock or filter clogged.
7. Discharged battery, check battery terminals for damage or corrosion, check the battery cables at "BOTH" ends for loose, corroded, or broken connectors, "INSIDE" and outside the cable harness, perform connector wiggle test and check cables with an ohmmeter if necessary.
8. Loose or corroded wire connection at the coil, battery or plug between ignition sensor and module.
9. Spark plug cables in bad condition and shorting, cable connections loose, or connected to the wrong cylinders.
10. Ignition timing incorrect due to a faulty ignition coil, ignition module or sensors (MAP, CMP, CKP, O2 and/or BAS).
11. Security alarm needs a reset.
For more information about your issue, please visit the websites below. Good luck and have a nice day.
Free BMW Motorcycle Service Manuals for download Free Rider Manual Download BMW R1200RT
BMW R1200RT Starter Starting Upgrade
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Dec 17, 2015 | 2005 BMW R 1200 RT

3 Answers

Why won't it start?


it is flooding . turn off the choke and remove the plug
dry the plug and pull the rope about 10 times to blow all excess fuel ot of the system
refit plug and try it again

May 02, 2015 | Garden

1 Answer

Engine started missing @ all R P Ms after running great @ bike week Datona


Hi, Opie and the usual suspects are:
1. Spark plugs in bad condition or partially fouled.
2. Spark plug cables in bad condition and leaking.
3. Spark plug gap too close or too wide.
4. Faulty ignition coil, module, and or sensor.
5. Battery nearly discharged.
6. Check battery terminals for damage or corrosion, check the battery cables at "BOTH" ends for loose, corroded, or broken connectors, "INSIDE" and outside the cable harness, perform connector wiggle test and check cables with an ohmmeter if necessary.
7. Intake air leak.
8. Water, dirt, or rust in the fuel system, carburetor and/or filter.
9. Fuel tank vent system plugged or carburetor vent line closed off.
10. Carburetor controls misadjusted.
11. Damaged carburetor.
12. Loose, dirty, or corroded ignition module connector at crankcase.
13. Faulty MAP, CKP, O2, and/or CMP sensors.
14. Incorrect valve timing.
15. Weak or broken valve springs.
16. Damaged intake or exhaust valve.
For more information about your issue, please visit the websites below. Good luck and have nice a day. K1100LT
HES Problem or on 2000 R1100RT BMWSportTouring Forums
https://www.rbracing-rsr.com/downloads/BMW_R1100(RT-RS-GS-R)_Repair_Manual.pdf
BMW Motorcycle Parts Fiche OEM BMW Motorcycle Parts online 1970 present BMW
http://www.bmw-motorrad.com/us/en/index.html?content=http://www.bmw-motorrad.com/us/en/services/manuals/manuals_main.html¬rack=1

Mar 18, 2013 | 1999 BMW R 1100 RT (ABS)

1 Answer

My BMW K100 1984 TURNS OVER BUT NO SPARK CAN YOU HELP


Hi, Anonymous if you have a CKP sensor it needs compression to send the correct signal to the ICM/ECM, make sure both spark plugs are in heads and use a grounded third plug to check for spark or hold spark plug cable close to spark plug in the head. If still not getting spark the usual suspects are:
1. Fouled spark plugs.
2. Discharged battery, check battery terminals for damage or corrosion, check the battery cables at "BOTH" ends for loose, corroded, or broken connectors, "INSIDE" and outside the cable harness, perform connector wiggle test and check cables with an ohmmeter if necessary.
3. Loose connection at ignition coil or plug between ignition sensor and module.
4. Spark plug cables in bad condition, shorting / leaking, spark plug cable connections loose.
5. Faulty ignition coil or ignition / electronic module
6. Failed CKP, CMP, or BAS sensor.
7. Faulty ignition switch.
8. Security alarm failing to disarm needs reset
For more information about your issue, please visit the websites below. Good luck and have a nice day.
http://www.k100-forum.com/t502-1984-k100-won-t-start
No spark BMW Luxury Touring Community
http://www.rbracing-rsr.com/downloads/K1100LT_RS_Repair.pdf BMW Motorcycle Parts Fiche OEM BMW Motorcycle Parts online 1970 present BMW
http://www.bmw-motorrad.com/us/en/index.html?content=http://www.bmw-motorrad.com/us/en/services/manuals/manuals_main.html¬rack=1

Mar 26, 2012 | BMW K 1100 RS Motorcycles

1 Answer

NO SPARK/CURRENT COMING OUT FM SPARK PLUG,ACCIDENTALLY TESTED IGNITION SENSOR WITH BATTERY KNOWING IT WAS THE STARTER


Hi, Anastacio if you have a CKP sensor it needs compression to send the correct signal to the ICM/ECM, make sure both spark plugs are in heads and use a grounded third plug to check for spark or hold spark plug cable close to spark plug in the head. If still not getting spark the usual suspects are:
1. Fouled spark plugs.
2. Discharged battery, check battery terminals for damage or corrosion, check the battery cables at "BOTH" ends for loose, corroded, or broken connectors, "INSIDE" and outside the cable harness, perform connector wiggle test and check cables with an ohmmeter if necessary.
3. Loose connection at ignition coil or plug between ignition sensor and module.
4. Spark plug cables in bad condition, shorting / leaking, spark plug cable connections loose.
5. Faulty ignition coil or ignition / electronic module
6. Failed CKP, CMP, or BAS sensor.
7. Faulty ignition switch.
8. Security alarm failing to disarm needs reset
For more information about your issue, please visit the websites below. Good luck and have a nice day.
No Spark Diagnosis Motorcycle 4 Wheeler Starting Issues Using Multimeter
BMW Service BMW R1150R No Start
Bmw r100 service manual
BMW Motorcycle Parts Fiche OEM BMW Motorcycle Parts online 1970 present BMW
http://www.bmw-motorrad.com/us/en/index.html?content=http://www.bmw-motorrad.com/us/en/services/manuals/manuals_main.html¬rack=1

May 16, 2011 | 1982 BMW R 100 RT

1 Answer

Hello, my name is marco and my bmw k100lt 1989 has a starting problem, i changed the alternator and battery. it wants to turn over but nada. i hear a clunking sound sometimes when trying to start it but...


Hi, Madpaintingl and the usual suspects are:
1. Fuel tank empty.
2. Fuel supply valve/petcock turned off.
3. Fouled spark plugs.
4. Engine flooded as a result of overuse of the enricher.
5. Vacuum hose to the fuel supply valve/petcock disconnected, broken, cracked, or pinched.
6. Fuel valve/petcock or filter clogged.
7. Discharged battery, check battery terminals for damage or corrosion, check the battery cables at "BOTH" ends for loose, corroded, or broken connectors, "INSIDE" and outside the cable harness, perform connector wiggle test and check cables with an ohmmeter if necessary.
8. Loose or corroded wire connection at the coil, battery or plug between ignition sensor and module.
9. Spark plug cables in bad condition and shorting, cable connections loose, or connected to the wrong cylinders.
10. Ignition timing incorrect due to a faulty ignition coil, ignition module or sensors (MAP, CMP, CKP, O2 and/or BAS).
11. Security alarm needs a reset.
For more information about your issue, please visit the websites below. Good luck and have a nice day.troubleshooting starting
http://www.i-bmw.com/showthread.php?t=41848
http://www.k100.biz/pdf/OFF/K100_K75_2V_eng.pdf
BMW Motorcycle Parts Fiche OEM BMW Motorcycle Parts online 1970 present BMW
http://www.bmw-motorrad.com/us/en/index.html?content=http://www.bmw-motorrad.com/us/en/services/manuals/manuals_main.html¬rack=1

Feb 03, 2011 | 1989 BMW K 100 LT

1 Answer

My son has a 1984 528E BMW Sedan. He last started it in May, was away until July. In July the car would not start. We have discovered ONLY ONE distributor wire point is sending Spark (Front to Back of...


How did you tell it was only sending spark to # 3 cylinder. Could be bad plug wires or very badly fouled plugs if indeed electrical, or could be an issue with the injectors or fuel system. If not sure. One quick way to test is get an inductive timing light to see if you have a spark pulse on each wire. Please give me more infor and I'll see how to help.

Aug 29, 2010 | 1984 BMW 3 Series

1 Answer

How many spark plugs are there, 2 or 4? when they say twin spark, do they mean 4 plugs or 2 of which are twin spark


On the 1200 RT Twin Spark, it means 2 plugs per cylinder. In other words 4 plugs total.
The term is often somewhat abused whereas "wasted spark" (plug firing on every stroke) is also referred to as twin spark. BMW uses this setup as well to save on components.

Aug 23, 2010 | 2008 BMW R 1200 RT

2 Answers

What is included in 100000 mile service for BMW 745li


Your BMW car has a variable time service according to the CBS daten control - Condition Base Systems control and car controled this data and must say what to need in the i-drive board computer/service control. an 100% I say to you as a change to spark plugs is it 100 000km is time of life spark plugs in car and fuel filter

Jun 21, 2010 | 2004 BMW 7 Series

1 Answer

My bmw R1100 rt misfires abobe 5k badly - in effect it won't run beyond that. I have checked plugs valve clearances new fuel filter all with no success - any ideas?


Hi, Anonymous and the usual suspects are:
1. Spark plugs in bad condition or partially fouled.
2. Spark plug cables in bad condition and leaking.
3. Spark plug gap too close or too wide.
4. Faulty ignition coil, module, and or sensor.
5. Battery nearly discharged.
6. Check battery terminals for damage or corrosion, check the battery cables at "BOTH" ends for loose, corroded, or broken connectors, "INSIDE" and outside the cable harness, perform connector wiggle test and check cables with an ohmmeter if necessary.
7. Intake air leak.
8. Water, dirt, or rust in the fuel system, carburetor and/or filter.
9. Fuel tank vent system plugged or carburetor vent line closed off.
10. Carburetor controls misadjusted.
11. Damaged carburetor.
12. Loose, dirty, or corroded ignition module connector at crankcase.
13. Faulty MAP, CKP, O2, and/or CMP sensors.
14. Incorrect valve timing.
15. Weak or broken valve springs.
16. Damaged intake or exhaust valve.
For more information about your issue, please visit the websites below. Good luck and have nice a day.
328i sputters misfires dies above 5k rpms
http://www.bmbikes.org.uk/Forum/viewtopic.php?t=13932
http://dirtypart.com/manuals/filer/Diverse/BMW_R_1100_S_R_8501200_C_R_1150_GS_Rep_Manual.pdf
BMW Motorcycle Parts Fiche OEM BMW Motorcycle Parts online 1970 present BMW
http://www.bmw-motorrad.com/us/en/index.html?content=http://www.bmw-motorrad.com/us/en/services/manuals/manuals_main.html¬rack=1

May 21, 2010 | 2002 BMW R 1150 GS Adventure

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