How to Troubleshoot a Yamaha V-Star 1100

Written by brianna byrne
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How to Troubleshoot a Yamaha V-Star 1100
Replacing defective spark plugs may help the V-Star 1100 work properly. (sparkplug wrench image by Aleksandr Ugorenkov from Fotolia.com)

Yamaha designed its V-Star motorcycles to compete with the powerful cruisers popular in the United States. The V-Star 1100 make of motorcycle was completely redesigned in 2009, though it still featured the powerful 1063cc air-cooled engine and a middleweight status. New V-Star 1100s were available in Classic, Custom, and Silverado trims, all available for purchase on the Yamaha website as of late 2010. For all three cycles, Yamaha recommended identical troubleshooting tips for minor repairs and problems in running and starting the bike.

Skill level:
Moderate

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Things you need

  • Gasoline (unleaded)
  • Compression gauge
  • Spark plug wrench
  • Cloth
  • NGK BPR7ES spark plugs
  • 12 volt, 12 ampere hour battery

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Instructions

  1. 1

    Check to see how much fuel is in the fuel tank.

  2. 2

    Move on to a check of the V-Star 1100's compression if there is an adequate fuel level.

  3. 3

    Refill with unleaded gasoline if there is no fuel and restart the engine. If the engine still won't start, move to the next section.

  1. 1

    Operate the electric starter to check the compression system.

  2. 2

    Ensure that there is between 63.5 and 72.6 Kilogram of compression using a compression gauge.

  3. 3

    Take the bike to a Yamaha dealer to inspect and repair the compression system if there is an inadequate level of compression.

  1. 1

    Take out the spark plugs and check the electrodes to inspect the ignition system.

  2. 2

    Dry the electrodes and spark plugs with a cloth if they are wet.

  3. 3

    Replace the spark plugs if they are faulty or damaged. Yamaha recommends NGK BPR7ES plugs.

  4. 4

    Set the spark plug gap between 0.028 and 0.031 inches.

  5. 5

    Open the throttle halfway and operate the starter. Move on to the battery system check if the V-Star 1100 still won't start.

  1. 1

    Use the electric starter and listen to the engine turn over. If the engine turns over quickly, the battery is working correctly.

  2. 2

    Tighten battery connections if the engine turns over slowly.

  3. 3

    Charge the battery to 12 volts if necessary.

  4. 4

    Replace the battery if it is damaged.

  5. 5

    Use the starter and listen to engine turn over again. If it still turns over slowly, take the V-Star to the shop for inspection.

Tips and warnings

  • Because Yamaha dealers have specific experience and all necessary tools, Yamaha recommends that owners take the bike to a certified Yamaha dealer if troubleshooting fails or if more serious repairs are needed.
  • Do not smoke or have an open flame nearby while working on the battery or fuel systems, as both give off explosive fumes.
  • Always wear gloves and goggles to avoid burning skin or eyes when working with batteries and battery fluid.

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