How to Tune Up a Honda XR 250

Written by matt wooddy
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How to Tune Up a Honda XR 250
Keep the Honda XR250 regularly tuned for maximum performance. (riding image by AZPhoto from Fotolia.com)

Honda released the XR250 off-road motorcycle to consumers in 1979. With a four-stroke, 249cc engine as the powerhouse, this bike was intended for less competitive and easier riding. A six-speed, manual transmission handles shifting gears and relies on chain-driven technology. Fuel capacity of the XR250 is about 2.4 gallons, an adequate size to keep this off-road bike operating all day. Depending on the frequency of use and the conditions of riding, the Honda XR250 requires only routine tuning and maintenance.

Skill level:
Moderately Challenging

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Things you need

  • Oil recycling container
  • 15W/40 synthetic oil
  • Wrench
  • Fresh oil filter
  • Fresh air filter

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Instructions

    Oil and Oil Filter

  1. 1

    Position a recycling container beneath the oil pan for draining. The XR250 should have its oil checked on a regular schedule, especially if the bike is raced or ridden under extreme conditions.

  2. 2

    Remove the oil plug from the bottom of the pan. Let the oil completely drain from the pan and replace the plug.

  3. 3

    Use a wrench to loosen and remove the old oil filter slowly.

  4. 4

    Fill the new filter with oil until 2/3 full. Overflowing occurs when filled with any more oil.

  5. 5

    Attach the new oil filter into place by hand. Using a wrench to tighten the filter might cause leaking due to strain

  6. 6

    Add 15W/40 synthetic oil to the engine's oil compartment. Monitor oil levels by checking the dipstick. Continue adding oil as necessary.

    Air Filter

  1. 1

    Loosen the bolts that connect the air filter to the rest of the air intake system. Dirt and debris will clog the filter that handles air intake, so cleaning and replacing should be routine to keep the XR250 operating properly.

  2. 2

    Remove the air filter from its position slowly. Avoid spilling debris from the filter onto the rest of the engine.

  3. 3

    Clean any dirt that has fallen into the intake system or other engine compartments.

  4. 4

    Position a new filter to line up with the air intake hose.

  5. 5

    Tighten bolts into place to secure the air filter.

    Spark Plugs

  1. 1

    Disconnect the negative connector on the XR250's engine battery to avoid electrical injury.

  2. 2

    Remove the spark plug cap to access the plug. Check the condition of the spark plug.

  3. 3

    Remove the spark plug and spark plug wire as needed. Replacing these ignition parts is cheaper and more reliable than trying to clean or repair.

  4. 4

    Attach the new spark plug wire into place with your hands.

  5. 5

    Hand-screw the new spark plug into the spark plug cap. Reattach the cap to its original position. Reconnect the negative port of the battery with the engine.

Tips and warnings

  • -Wear gloves to minimise friction on the hand caused by wrench torque

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