Question about 1986 Honda GL 1200 Aspencade Gold Wing

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Engine miss at 45-55mph, no accleration with throttle response,

86 honda goldwing aspencade sei, new fuel filter, new plugs, has new wires, bike set for 6-7 months, cleaned all old fuel out, will run real good for 10-15 miles and engine miss starts, somtimes wot can clear problem for a little while. acts like it boggs down when throttle is opened and it will eventually clear up, can hear deep moan from throttle body

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Anytime a bike sits for that long you stand a chance of fuel system problems. It sounds like you may need to "boil out" the carburetors and of course resynchronize them with vacuum gauges when you put it back together. You can also use a mercury manometer for synching the carbs. My guess is you have varnish still in the float bowls that is causing erratic running and perhaps the vacuum operated slides are not working correctly.

Posted on Nov 30, 2008

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1986 Honda GL 1200 Aspencade Gold Wing will not go past 50 mph


Hi, George and the usual suspects are:
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2. Faulty spark plug.
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6. Low tire pressure.
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8. Clogged or faulty fuel pump or injectors.
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For more information about your issue and valuable "FREE" downloads that you will need for viewing or printing please click on the blue links below. Good luck and have a wonderful day.
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1 Answer

What is the location of the fuel pump relay on a 1987 Honda GL1200


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Nov 29, 2015 | 1987 Honda GL 1200 Aspencade Gold Wing

1 Answer

1986 goldwing sei fuel system light stays on


Fuel filter dirty? This could be a problem the '85 LTD and the '86 SEI. The fuel filter for those machines are different than the rest. They are for the pressurized fuel system and are a bit expensive. Don't know if mother Honda still has them.

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1 Answer

1993 Honda GL 1500 Aspencade Gold Wing quits running at 50% fuel mark


Hi, Bernie "ABSOLUTELY" and the usual suspects are:
1. Severely discharged or a damaged battery should have 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 batteries fail in this scenario more so than lead-acid batteries.
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, stator, magneto, 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. Faulty neutral, side stand or clutch lever safety switch.
10. Faulty or corroded kill switch.
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12. Water or dirt in the fuel system, carburetor or filter.
13. Restricted, blocked or kinked fuel line.
14. Fuel tank empty.
15. The gas cap is not venting properly or fuel tank venting system blocked, loosen gas cap and go for a test ride.
16. A failed fuel pump, pressure regulator and or fuel injectors.
17. Vacuum line from intake manifold to petcock broken, cracked, or not attached, carburetor vent line plugged.
18. Needle and seat stuck closed in the float bowl.
19. Petcock clogged or damaged.
20. Lean angle switch is faulty or needs adjustment.
21. Catastrophic engine failure, perform a compression test.
For more information about your issue and valuable "FREE" downloads that you will need for viewing or printing please click on the blue links below. Good luck and have a wonderful day.
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Sep 14, 2011 | 1993 Honda GL 1500 Aspencade Gold Wing

1 Answer

Low charging on 85 goldwing fuel injection


The GL1200 Aspencade fuel injection did not come with fuel injection. But a lot of those bikes have been piced togather from outher bikes.

The entire 1200 goldwing line had stator problems. First thing to check is the 3 yellow wires and the connector they have just to the left of the battery. Most people remove that connection and soder it after testing the stator. There is a complete checklist, along with alternative solutions at http://www.gl1200goldwings.com/ If you own a 1200, that is the best self help site for these bikes.

Apr 25, 2011 | 1985 Honda GL 1200 Aspencade Gold Wing

1 Answer

1984 GL1200 Goldwing... 80k mi. ....bike will not run without choke on 1/4 to 1/2 open... when given throttle, the engine backfires and blows black soot out of exhaust... new spark plugs with gap set at...


This sounds like a fuel flow problem. I suggest removing and rebuilding and cleaning the entire system, meaning Carbs, filters and strainers in the tank. Old fuel turns to gel, and floats absorb fuel, sometimes, so inspedt everything. When finished set carbs with carb sticks, both at idle and at 2000 RPM, using hand throttle.

Oct 26, 2010 | 1984 Honda GL 1200 Aspencade Gold Wing

2 Answers

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run an ohm test on the stator wires, make sure you get readings through all combinations of any 2 wires. if you don't get an ohms reading between 2 wires that means you have a broken stator winding and the stator needs to be replaced. hook up a volt meter to your battery and test battery voltage at rest (bike off), at idle (bike on and idling should be at least 12.5 - 13 volts), and steady around 3 - 4000 rpms (should be around 13-14.5 volts. if it exceeds 15 volts your regulator is bad and needs to be replaced. if all numbers are about what I said, have your battery tested. If your battery is over 1.5 years old it should be replaced anyway.

Jun 03, 2010 | 1986 Honda GL 1200 Aspencade Gold Wing

2 Answers

1993 Goldwing Aspencade With Slight Engine Miss??


could be a out sinked carb or gum from sitting gas won't last long

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