Question about 1988 BMW K 100 RT
Just got bike went for ride it cut out and opulent start again
Posted by Anonymous on
Hi, Anonymous the following applies to carbureted also fuel injected models and the usual suspects are:
1. Severely discharged or damaged battery, 9 volts or lower.
2. Failed alternator/generator and or voltage regulator.
3. Loose or corroded battery terminals and or cables especially the "NEGATIVE" cable, look for loose, corroded, or broken connectors inside the cable harness at "BOTH" ends.
4. Failed main circuit breaker or ignition switch, check for loose connections and continuity.
5. Failed system and or ignition relay, check for continuity.
6. Failed ignition coil, ignition/electronic module.
7. Failed CKP, CPS, CMP, MAP, TPS, or BAS sensor, corroded, loose or broken wire connector pins/sockets.
8. Throttle cables and or idle speed improperly adjusted hot idle speed should be 950 RPM to 1000 RPM.
9. Air/fuel mixture screw improperly adjusted.
10. Water or dirt in the fuel system, carburetor or filter.
11. Restricted, blocked or kinked fuel line.
12. Fuel tank empty.
13. Gas cap is not venting properly or fuel tank venting system blocked.
14. A failed fuel pump, pressure regulator and or fuel injectors.
15. Vacuum line from intake manifold to petcock broken, cracked, or not attached, carburetor vent line plugged.
16. Needle and seat stuck closed in the float bowl.
For more information about your issue, please visit the websites below. Good luck and have a nice day.
BMW Motorcycle Parts Fiche OEM BMW Motorcycle Parts online 1970 present BMW
Posted on Dec 28, 2015
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Posted on Jan 02, 2017
SOURCE: My 1985 BMW R80 is
What you are describing sounds like an ignition coil breaking down as soon as it come up to temperature. It could also be as simple as a spark plug and most probably is. I tend to disagree with the suggestion you received about the contact points (if your motorcycle actually has them). Generally points will make a mess out of starting and if they are failing wouldn't wait 20 minutes to let you know. I'm going to say spark plug(s) (change 'em both) then possibly a coil OR the high tension lead is shorting against the block or some part of the frame. Now I can't say names or someone will get upset but a German made motorcycle doesn't generally work to well with spark plugs made in America. Been in the Recreational business for a lot of years and if there is one spark plug that just works it's found in every Honda MC and of course is made in Japan. Hope you picked up on were i was trying to lead you ;-). Cheers have a great day, hum you riding your motorcycle and I'm up to my bum in snow and getting another foot of the stuff :-(
Posted on Jan 31, 2011
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