What are the signs of a bad ignition switch?

There are a couple of indicators of a bad ignition switch. The first indicator is if your bike will not start, and you know your battery and connections are good. This seems pretty obvious, but there are other things that can cause your ignition system to fail. If you have a neutral light, you can check to see if it is lighting when you turn your key on. If the neutral light does not come on, it may mean your motorcycle ignition switch is bad. Other indicators would include a loose-fitting key or the bike stalling when riding down the road.

How often should spark plugs be replaced?

This varies from manufacturer to manufacturer. Harley recommends changing your motorcycle spark plugs every 10,000 miles. This is not because the spark plugs have gone bad, it is simply because they are not as efficient as they were when they were new. Spark plugs wear over time. The edges of the electrodes will eventually burn down. Spending a few dollars to keep your motorcycle running like it should is a good idea. Check your manufacturer recommendations to determine when is best to change your spark plugs.

How do you know if your brake light switch is bad?

It depends on which switch you are trying to diagnose. The brake light switch actuated by your hand brake lever is a tiny momentary switch. If you listen carefully, you can hear it “click” when you apply your hand brake. If your brake light is not coming on, and you do not hear that “click”, it is a good indicator that your switch may be bad. Rear brake pedals typically use plunger mechanical switches. If your brake light is not working when you apply your rear brake pedal, locate the wires to the rear brake switch. Turn off the ignition. Unplug the two wires and jump the circuit with a small piece of wire. If you turn on the ignition and the rear brake light is on, your switch is bad.

What is the average life of a motorcycle battery?

There are a variety of variables that you need to consider when determining the average life-span of a motorcycle battery. AGM lead acid batteries will not last as long as some of the newer lithium batteries. Most lead acid AGM batteries have a 4 year service life span. If you live in a cold climate and do not maintain your battery during the winter months you will greatly reduce the life span of your battery. This applies to Conventional, AGM, and Lithium batteries. During those winter months it is a good practice to keep those batteries charged and in a warm storage area.

What gauge wire is used on motorcycles?

Most motorcycles use 16 to 18 gauge wire for the controls and lights. Items like starters and battery connections use ticker gauge wire typically 12 to 14 gauge.

Spark Plug Wires Ready Motorcycle Electrical & Wiring

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8mm Suppression Core Cloth Spark Plug Wire Sets - Black with Red tracers — Lowbrow Customs 8mm Cloth 90 Degree Spark Plug Wire Sets - Black with Red tracers
26 reviews $27.49

Lowbrow Customs 8mm Cloth 90 Degree Spark Plug Wire Sets - Black with Orange Tracers
43 reviews $27.49

8mm Suppression Core Cloth Spark Plug Wire Sets - Oak with Red and Black tracers — Lowbrow Customs 8mm Cloth 90 Degree Spark Plug Wire Sets - Oak with Red and Black tracers
35 reviews $27.49

Lowbrow Customs 7mm Cloth 90 Degree Spark Plug Wire Sets - Satin Black
5 reviews $21.99

8mm Suppression Core Cloth Spark Plug Wire Sets - Red with Black and Yellow tracers — Lowbrow Customs 8mm Cloth 90 Degree Spark Plug Wire Sets - Red with Black and Yellow tracers
20 reviews $27.49

Lowbrow Customs Brass Nuts & Nickel-Plated Ring Terminals for Spark Plug Wires
23 reviews $15.72

Lowbrow Customs 7mm 90 Degree Spark Plug Wire Sets - Clear Translucent
$21.99

Lowbrow Customs 7mm Cloth 90 Degree Spark Plug Wire Sets - Black w/ Red Tracers
4 reviews $21.99

FNA Custom Cycle Spark Plug Wire Kits - Pink/Purple Explosion
1 review $62.00

FNA Custom Cycle Spark Plug Wire Kits - Ice Explosion
$62.00

Mooneyes MOONEYES Spark Plug Wire Kits - Yellow
1 review $32.95

Mooneyes MOON Equipped Spark Plug Wire Kits - Black
1 review $32.99

Lowbrow Customs 7mm Cloth 90 Degree Spark Plug Wire Sets - Black w/ Orange Tracers
6 reviews $21.99

Lowbrow Customs 7mm Cloth 90 Degree Spark Plug Wire Sets - Yellow w/ Black and Red Tracers
8 reviews $21.99

Cycle Standard Spark Plug Boots and Terminals - 90 Degree Boots - For 8mm Plug Wire — Cycle Standard Spark Plug Boots and Terminals - 90 Degree Boots - For 7mm or 8mm Plug Wire
16 reviews $8.17

FNA Custom Cycle Spark Plug Wire Kits - Blue Explosion
$62.00

Cycle Standard Spark Plug Wire Separators - Black
$15.24

Lowbrow Customs 8mm Cloth Straight Spark Plug Wire Sets - Black with Red tracers
1 review $27.49

Cycle Standard High Tension Spring Terminals for your Spark Plug Wires - 6 Pack
15 reviews $6.66

Cycle Standard 7MM Universal Spark Plug Wire Set - 20 inch
1 review $19.35

Lowbrow Customs 8mm Cloth Straight Spark Plug Wire Sets - Oak with Red and Black tracers
$27.49

Cycle Standard Magneto or Coil Rubber Boots - Set of 6 - For 7mm or 8mm Plug Wire
8 reviews $9.99

Lowbrow Customs 8mm Cloth Straight Spark Plug Wire Sets - Black with Orange Tracers
2 reviews $27.49

Cycle Standard Spark Plug Wire Separators - Chrome
$15.24

Lowbrow Customs 7mm Cloth 90 Degree Spark Plug Wire Sets - Green w/ Yellow Tracers
1 review $21.99

Lowbrow Customs 7mm Cloth 90 Degree Spark Plug Wire Sets - Oak w/ Red and Black Tracers
3 reviews $21.99

Lowbrow Customs 8mm Cloth Straight Spark Plug Wire Sets - Red with Black and Yellow tracers
3 reviews $27.49

Lowbrow Customs 7mm Cloth 90 Degree Spark Plug Wire Sets - Red w/ Black and Yellow Tracers
4 reviews $21.99

Cycle Standrad Spark Plug Boots and Terminals - Straight Style - 7mm or 8mm — Cycle Standard Spark Plug Boots and Terminals - Straight Style - for 7mm or 8mm Spark Plug Wire
12 reviews $8.17

Cycle Standard Spark Plug Wire Separators - Aluminum
$15.24

FNA Custom Cycle Spark Plug Wire Kits - Brown/Yellow/Orange Explosion
$62.00

Colony #3259-1 Parkerized Wire Clip 1924 - 1929 Harley-Davidson J JD DH 1930 VL VL VC and 1931 - 1932 Singles
1 review $16.50

Colony #3222-1 Spark Plug Cable Bracket 1966 - 1984 Harley-Davidson Big twins OEM 32000-37A
$13.92

Cycle Standard Vintage Style Rajah Terminals for Custom Spark Plug Wires
6 reviews $13.30

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