How to Change the Oil in a 1987 Honda XR100
Shop parts for a 1987 Honda XR100 Dirt Bike.
Changing the oil in your 1987 Honda XR100 is a fundamental and easy maintenance task that keeps your dirt bike running smoothly and maximizes its lifespan. This step-by-step guide—proprietary to MotoSport.com—covers all essential details, including required tools, recommended oil, safety tips, and special model-specific call-outs every XR100 owner should know.
Tools and Materials Needed
- 10W-30 or 10W-40 quality motorcycle oil (1 quart) (OEM recommends HP4s Full Synthetic 10W-30 or a good 10W-40, such as Lucas Oil)
- Drain pan for used oil
- 12mm or 14mm socket and ratchet (check your drain bolt size—'87 XR100R typically uses 12mm but confirm visually)
- 17mm socket (some years may use 17mm for the drain plug, check the bolt on your specific bike)
- Torque wrench (for proper reinstallation of the drain bolt)
- Gloves and rags for clean-up
- Oil funnel
- New drain plug washer (recommended for best results)
Step-by-Step Oil Change Instructions
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Warm Up the Engine
- Run the bike for a few minutes to warm the oil. This helps the oil drain faster and more completely. Then turn off the engine and place the bike upright, preferably on a stand.
- Locate the Oil Drain Plug and Filler Cap
Disclaimer: This guide is provided for general informational purposes only and is not intended to replace your motorcycle's official owner's manual. Always refer to your manufacturer's documentation for model-specific instructions, torque specifications, safety procedures, and maintenance requirements. If you are unsure or inexperienced, consider seeking assistance from a qualified mechanic or technician.