Knowing how to change your 50cc scooter gear oil provides you an easy way to extend the life of your scooter from basic wear and tear. Oil helps wash your engine parts, keep them lubricated and captures grit that causes friction. Draining and replacing the oil regularly protects the scooter engine much the same way it does a car. The process is straightforward and requires only a few basic tools.
- Skill level:
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Things you need
- Shop rag
- New gear oil
- Drain pan
- Crescent wrench
- New oil plug gaskets
- Hand-held oil can injector
Turn the scooter on and let it run for a few minutes. If possible, take it for a 5-minute ride to warm up the gear oil. Park it in a well-lit work area and turn the scooter off. Place an oil pan below the engine transmission area of the scooter.
Locate the gear oil drain plug (bolt) at the bottom of the transmission case. Loosen it with a crescent wrench. Twist and remove the bolt when loose enough to hand twist. Allow the old gear oil to drain completely into the pan.
Wipe the drain plug with a shop rag and remove the old plug gasket. Wipe the bottom of the engine with the shop rag when the gear oil has stopped draining and insert the plug with the new gasket. Tighten until you feel firm resistance using a crescent wrench.
Remove the drain pan out of the way. Locate the fill plug higher up on the transmission case. Loosen the plug and use a crescent wrench, if necessary. Take new engine gear oil and fill up a hand-held oil can injector. Place the needle nose of the injector into the filler hole. Squeeze the can handle to inject new gear oil into the transmission chamber.
Fill the transmission chamber with new oil until the rising level reaches the fill plug. Stop filling and wipe up any spillage. Reinsert the fill plug with a new plug gasket on it. Cleanup and pour the old oil in the drainage pan into a container to later recycle the old oil at an oil recycling centre.
Tips and warnings
- Changing your oil every two to three months of regular riding is a good habit to follow. Oil is cheap and easy to buy; a ruined engine is much more expensive if regular maintenance is ignored.
- Don't change the gear oil right after a long ride. The oil will likely be very hot and you could burn your hands trying to release the drain plug.
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