Question about 1986 Honda VT 500 C Shadow

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1986 Honda VT 500 C Shadow misfires

1986 Honda VT500 starts missing and breaking down at 4k RPM. I replaced two easy plugs, the other two are still in there. I don't know about the other plugs. The bike has 18K miles on it. @

Posted by Jerry Scott on

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5 Related Answers

Anonymous

  • 59 Answers

SOURCE: Reduced power below 4000 RPM

The main relay also controls the transmission and will cause an intermittent interruption of power and indicates its going bad. about a $60.00 replacement cost. the relay is located under left side of dash.

Posted on Sep 01, 2008

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Anonymous

  • 72 Answers

SOURCE: oil around spark plugs on 1992 honda accord

Yes the oil can cause the car to lose spark, the oil leak could be caused by the valve cover gaskets around the spark openings, but 9 times out of 10 it is the spark plug tube "O" rings. The top of the valve train comes off of the head, the "O" rings are between the two halves, that will fix the oil leak.

Posted on Apr 22, 2009

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Anonymous

  • 125 Answers

SOURCE: 1996 honda VT1100c2 backfiring & missing when accelerating

Replace Fuel Filter.
Test fuel pump output.
Remove and service carburetors.

Posted on Jun 15, 2009

Anonymous

  • 83 Answers

SOURCE: 86 Shadow VT500 suddenly losing power/bogging down

first thing to do is to check fuel level. you mentioned about 290 miles since you owned it but no fillups. did you get gas from same store? not unusual to pickup trash or water in fuel from conv. stores. with that out of the way, look at your plugs and see what they look like. black and sooty would be fuel fouled and very white or very light tan would be lean. if plugs and fuel are eliminated, it could be the result of a stator coil starting to go south. these will require special tools to diagnose.

Posted on Oct 27, 2009

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David Belcher

  • 1978 Answers

SOURCE: HOW DO YOU CHANGE THE

There are four spark plugs to change. The spark plug wrench in the motorcycle tool kit will remove and replace the plugs. If the tool kit is missing you can go to the Honda dealer and order just the spark plug wrench (separately off the microfiche tool kit page) necessary to do the job (about $10). The Honda spark plug wrench has a built in grabber to lift the plug out of the deep head access hole.

Posted on Jan 12, 2011

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1 Answer

I have a 1985 Honda VT500 Shadow. It bogs down at about 5500 rpm. I changed the 4 spark plugs, checked the air filter, took off the carbs and blew out the bowls, looked clean. Put back together and


there are many air channels in the carbs, witch can be dirty, clean them with very thin wire, and first bled out the gas, check the 2 diaphragms in the carbs

May 20, 2012 | 1985 Honda VT 500 C Shadow

2 Answers

HOW DO YOU CHANGE THE SPARK PLUGS ON A 1986 HONDA SHADOW VT500?


There are four spark plugs to change. The spark plug wrench in the motorcycle tool kit will remove and replace the plugs. If the tool kit is missing you can go to the Honda dealer and order just the spark plug wrench (separately off the microfiche tool kit page) necessary to do the job (about $10). The Honda spark plug wrench has a built in grabber to lift the plug out of the deep head access hole.

Jan 12, 2011 | 1986 Honda VT 500 C Shadow

1 Answer

The bike misses when going 55mph


What else have you done or checked besides the plugs. Does it start and idle fine? Test the new plugs. The ark should be bright blue or between 7 to 8 ohms. If the ark is yellow or orange, you may have a bad plug or coil.

Jun 16, 2009 | 1986 Honda VT 500 C Shadow

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