How to Change the Oil on a Suzuki LTR 450

Written by don bowman
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The Suzuki LTR 450 should have the oil changed depending more on how it's used as opposed to a specific time interval. The cleaner the oil, the longer it will last. If it is used hard, as in competition, it should be changed after every race. Changing the filter is not necessary unless metal shavings are found in the oil. The oil and filter should be changed every season if it's only moderately used. Suzuki recommends synthetic oil although a good grade of 10-40 oil suffices.

Skill level:

Things you need

  • Set of wrenches
  • Drain pan

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  1. 1

    Run the engine for five minutes to warm up the oil. Place the drain pan under the engine. Remove the two large bolts in the case and the bolt in the oil tank, using a wrench. Allow the oil to drain for 15 minutes.

  2. 2

    Install the two bolts and the oil tank bolt, taking care not to strip the threads. The oil tank has very thin threads, so care must be taken not to overtighten the plug or it will strip.

  3. 3

    Remove the oil filter cover, using a wrench. Drop the cover, followed by the spring and the filter. Insert the filter, followed by the spring and then the cover. Tighten it down with the wrench.

  4. 4

    Fill the clutch housing with 400ml and the oil tank with 1400ml of oil. Run the engine for five minutes. Shut it off and check the level. Do not thread the dipstick in, just drop it down to the base of the cap and withdraw it to check. Add oil as needed.

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