Question about 1983 Honda vt 500 ft ascot
Have a 1984 honda vt500 ascot. it bogs at low rpm. took carbs apart and clean them. still does the same thing. @
Hi, cant help with the tool kit but i think you can get the manual from here...http://www.manualz.info/Manuals_pdf/
Posted on Jan 15, 2009
Sounds like a loose piece of crud in the main jet. Have you had the jet and tube above it out? It could also be a spark problem. See if you have spark when it tries to die ( put a nail in the plug boot and get it sparking 1/4" or so to the plug at idle then rev it up, it should continue jumping. I think that bike will also have mechanical spark advance on the rotor on the end of the cam. If the springs are loose on that the spark timing will be all over the map and can make it run intermittantly.
Posted on Oct 03, 2009
Bike Bandit has everything you need to rebuild the carburetor on your 1983 Honda VT500FT V-Twin Ascot, click on the link below to view
Posted on Apr 18, 2010
I believe that Alex is talking about the "idiot light" labeled "Tail light" on the dash of his 84 Shadow. When this idiot light is lit, it is supposed to mean the tail light has burned out. My 85 VT700 has a problem where that idiot light fades on and off even though the tail light is working fine. If I apply the brakes (an brake light comes on), that idiot light goes out.
I have not solved the problem, but I did investigate this about 2 years ago. The Idiot light is connected to a small rubber encased box about 2 by 2 by 2 inches located under the tank, near the air filter on the right side. Several wires come out of that box. One wire provides power to the tail light. Another wire goes to the idiot light. My memory is fuzzy, but there probably is a ground and/or a battery lead coming out of the box as well.
I believe the circuit is measuring the current going to the tail light. If the current is too low (implying the bulb is burned out), then it connects the wire to the idiot light to ground or battery+. The circuit is falsely detecting low current.
Several things might fix this:
1) Change the bulb to one that draws more current.
2) Put a resistor in parallel with the tail light, to double the current.
3) Buy another "box" on ebay (I tried this, and it did not solve my problem).
I also have a related (?) problem with the low fuel light not working when it should. I tested the circuit to the low fuel sensor in the reserve tank, by grounding the wire, and Low fuel light works. I replaced the low fuel sensor, no change in problem.
I noticed, that if I take a several hour trip on the turnpike, the tail-light indicator will eventually go out and stay out. If that happens, and I run low on fuel, the "low fuel" indicator works again.
This has me thinking this could be a voltage problem. After a long high speed trip, the main voltage regulator normally reduces the voltage, to prevent over charging the battery.
I have wondered if the sensor circuit has a secondary voltage regulator (or a Zener Diode) in the idiot light cluster, which instead is providing full battery voltage to the sensor circuits. This would also explain why the "tail light" indicator turns off when I apply the brakes, since the overall voltage drops a little when the brake lights come on. The wiring diagram in my Honda repair manual does not go into that much detail, and I have not pursued this theory.
Posted on May 14, 2010
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