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I believe its 30w but you might check your local dealer to be sure

20w50 or just plain 50 depending on where the bike is operated.

I suggest you invest in a manual. It'll be the best thing you've ever bought for your bike.

The "w" stands for "winter" not weight.

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13y ago
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Q: What weight oil should you use for 03 Harley Davidson sportster?
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