I removed the vacuum line from the intake manifold so I could spray starter fluid down the hole while I turned the engine over. Unfortunately my battery (relatively new) is shot.
I boosted the battery from a known good battery. I am getting 12.5 volts on the scooter battery when boosting. When I turn it over when while boosted and spray starter fluid in the intake manifold it wouldn't fire.
What should I check next? Is this a good enough test since the battery was shot while I tested it?
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