Question about Honda VT 1100 C2 Shadow Sabre Motorcycles
Posted by Anonymous on
Hi, Anonymous before testing any electrical component in the Starter System it is "IMPERATIVE" that you have a fully charged battery of 12.5 volts or more and be able to pass a proper "LOAD" test if necessary, you may have a preliminary reading of 12.5 volts or more but little or zero amperage, the battery is faulty and must be replaced. AGM type batteries fall into this scenario more so than lead acid batteries.
A motorcycle starter relay is an electronic mechanical switch that has a small coil winding around a piece of metal that requires low amperage and thin wires to be activated. When you turn on your ignition switch power 12 volts is sent to the relay coil which in turn becomes a magnetic contact point that pulls a spring-loaded contact point to itself completing an electrical circuit that allows more amperage necessary to be accessed by the starter solenoid which in turn acts in the same way as the relay but on a larger scale with its stronger heavier contacts making available the necessary amperage to turn the starter motor. If your battery has low voltage it, in turn, makes the magnetic contact point weak in trying to pull its counterpart to make a connection. These relays are usually encased in a plastic housing that may or may not be sealed depending on the quality of the product. When activated they will produce a small amount of heat to their metal components which in turn can create the perfect environment for condensation to form depending on weather conditions and how careless you may be with a water hose or sprayer while washing your bike. After a period of time, several months to several years depending on the circumstances this condensation is the starter button for electrolysis and the slow build up of corrosion which ends by preventing the magnetic contacts in making a solid connection and alerts you to this situation with the customary greeting "CLICK or BUZZ". The relay is inexpensive and needs to be replaced however in a pinch they can be forcibly opened cleaned and resealed with silicone. In a nutshell, motorcycle starter relays take in low amperage and send out higher amperage when activated and for curious minds, the voltage remains constant at whatever your battery reads at the time.
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lost all electrical power
Honda shadow vt1100 Owners Workshop Manual
Honda VT1100C2 Owner Manual Page 3
Posted on Jul 10, 2017
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Posted on Jan 02, 2017
check cut/safety switches . not sure about the circuit on this model but could be the side stand switch or the brake switch (on the handle bar)also check the rear tail light bulb is working when brakes applied. good luck...spaz.......Regards.....tabbycat
Posted on Jun 13, 2009
SOURCE: 91 yamaha breeze,wont turn over
Check fuses. Check voltage. Could be a burned, or just broken fuse. Could be a dead battery. Could be as simple as poor battery connections. If not, perhaps the following will help:
A starter can be tested in a very simple way, by applying 12vdc to the power input, and grounding the case. If it spins, then it's on to step 2, checking connections.
Starters are much too simple to be more complicated than that, but the electrical system can be. Check the circuit between the relay and the starter. Is is a direct wire with no breaks? If so, check the voltage at the power output and input of the relay. If it is good, check the power input and grounding of the starter.
Most new bikes have a clutch switch, and it may interrupt the 12vdc to the starter, without affecting the relay. Same thing goes for the nuetral switch.
Try starting in nuetral, with the clutch pulled. Check the relay for conections that you may have taken off, and not replaced. Same thing for the starter.
Posted on Oct 02, 2009
Testimonial: "accurate and outstanding advice, new starter bad, many thanks"
Charge battery to full, start in neutral, still clicks? Bad ground, or bad connection. Jump starter solenoid with screwdriver,etc. if motor turns over the relay is bad. Chaz Moto DC
Posted on Jan 22, 2010
SOURCE: i replaced the starter relay
When you push the start button and the relay clicks the lead from the relay to the starter should have 12volts. If it doesnt you either the relay is bad or the cable(lead) is bad from the relay to the starter.Hope this helps.
Posted on Sep 27, 2010
HI, LETS REMEMBER THE STARTER RELAY IS ONLY A MAGNETIC SWITCH, WHICH WHEN THE STARTER SWITCH IS PRESSED IT OPENS THE CIRCUIT AND ALOWS 12V DC TO COMPLETE THE CIRCUIT TO THE STARTER MOTOR, IF YOU BRIDGE THE 2 THICK WIRES AT THE STARTER RELAY WITH THE IGNITION SWITCHED ON, 1 COMES FROM THE BATERY, AND THE OTHER GOES TO THE STARTER MOTOR, AND YOU HAVE SUFICIANT POWER IN YOUR BATTERY THE ENGINE WILL TURN OVER AND START, THUS ELIMINATING THE RELAY, IF THE STARTER DOES NOT TURN OVER THE ENGINE WHEN YOU DO THIS IT IS LIKELY THE STARTER MOTOR ITSELF IS NOT WORKING CORRECTLY, YOU COULD ALWAYS REMOVE THE WIRE FROM THE RELAY AND PUT IT MOMENTARILY DIRECT TO THE POS SIDE OF THE BATTERY, INSTEAD OF BRIDGING AT THE RELAY, REMEMBER THAT IF THE BIKE RUNS WHEN YOU JUMP START IT, THEN THE PROBLEM IS WITH THE STARTING SIDE , AND NOT THE IGNITION SIDE AS THE IGNITOR IS CONECTED TO THE IGNITION SIDE REPLACING THIS WOULD BE A WASTE OF FUNDS. THESE MACHINES ALSO HAD PROBLEMS EARLY ON WITH STARTER MOTORS & THE STARTER CLUTCH, WHICH IS A ONE WAY CLUTCH LOCATED IN THE LH ENGINE COVER ALONG WITH THE AC GENERATOR
Posted on Nov 29, 2010
Testimonial: "I really appreciate your help in this matter! Thank You!"
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