Hi rod! i have a problem with 89 honda elite lx scooter will not stay krunk . I can apray starter fluid in breather element and crank until the fluid gone. I took to shop and ripped off i believe. the guy replaced the cdi box and it not the right one bike ran for one day went back to same problem. bike sat a while i cleaned lines carb.suggestions- hint tips
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hi,sounds to me like your cdi pickup unit has failed,i am not 100% certain but this will be located on the end of the crankshaft behind one of the enginecovers,there could be two other possibilities,motox bikes are notorious for breaking wires so check the wiring from the cdi sender unit to the cdi box and the coil,also check your "off"button it may be stuck in the "kill" position..hope this helps..cheers ian
You definitely need to change all with a kit of : ECU, engine main switch, seat lock and you will get in the kit 3 new keys, 2 black and 1 red.The black ones need to be programmed from the red one at a dealer's workshop.Then store the red some place safe.
To my understanding, the problem is 'no spark' yet the engine cranks. Generally, to consider are:
pulser coil (least likely);
ignition coil (likely);
CDI (most likely).
Offhand, the CDI would be the main suspect. Since the CDI is sealed, it is not possible to do component level checks. The only way to check if the CDI is good is to check the external connections; if they are good and yet no spark, then the CDI is bad.
How to check the above:
to check the pulser coil, measure the low voltage coming from it using an analog/needle type AC voltmeter. While cranking, it should show a flickering low voltage;
to check the ignition coil, use a continuity tester. Primary should measure 3 ~ 5 ohms while primary to the high voltage end would measure 15 ~ 18 kilo ohms;
the ignition coil has 1 terminal connected to the IGN +12 while the other terminal is connected to the CDI. This should have a pulsating voltage when cranking.
all the interlocks could be checked with a continuity tester. Please note that most interlocks has a diode connected in series with their wires.