92KK 84WW Olaf
Life time member
Number of posts : 7969
Check
1: Check the front brake activates the brake light. If not, suspect the front brake switch is faulty.
2: Check the rear brake activates the brake light. If not, suspect the rear brake switch is faulty.
3: If one works and the other does not, the non working one needs a new brake switch. Not expensive.
4: If both work, take out rear light and clean the bulbs, bulb holders and contacts. There are two knurled nuts inside the rear cowl that you unscrew by hand to get the rear light off.
5: If neither work check the rear brake lights up with a separate live wire.
6: If that works you likely have 2 faulty switches. Before anyone says you won't find that, thats exactly what happened my RS when I got it. Both switches died at the same time.
The red warning needs both front and rear brake switches working to test the circuits to get the light to go out. If one is faulty it won't go out.
There is also one on your clutch lever linked to the ignition system, you need it working so that you can start the bike with the clutch lever pulled in. Otherwise you need the green neutral light on.
Also can you put in model year, RS had lots of changes going from early 2v to later 16v engine but the above will apply to either.
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1992 K100LT 0193214 Bertha Blue 101,000 miles
1984 K100RT 0022575 Brutus Baja Red 578 bought 36,000 now 89,150 miles
1997 K1100LT 0188024 Wotan Mystic Red 689 58,645 now 106,950 miles Deceased.
1983 K100RS 0011157 Fricka 606 Alaska Blue 29,495 miles Damn K Pox Its a Bat outta Hell Now 58,200 miles.
1996 K1100LT 0233004 Lohengrin Mystic Red 38,000 miles currently 51,800 miles.
1983 K100RS 0004449 Odette R100 colours 58,000 miles. Sprint fairing now 63,390 miles
Past:
1968 Yamaha 80 YG1
1971 Yamaha 125 YAS-1
1968 Honda 125 SS
1970 Honda CD 175
1973 Honda CB500-4
Honda CX 500
Red idiot light on all time Wed Oct 23, 2019 5:45 pm
