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Why can't a scooter start after rain?

1 Answers

VanDante

07/29/25 7:15pm

Failure to start and accelerate after getting wet in rain is generally caused by water entering the air filter, fuel tank, or carburetor, or moisture in the ignition system components such as the ignition coil, high-voltage coil, high-voltage wire, spark plug cap, ignition switch, and wiring connections. Common reasons for starting difficulties in scooters are as follows: 1. Fuel system issues: Mainly caused by fuel valve failure (no fuel flow), clogged fuel filter, carburetor issues (no fuel flow or overly rich mixture), or bent fuel lines. 2. Electrical system issues: Short circuits in electrical components (e.g., ignition switch, high-voltage coil, ignition coil, or magneto failure), or open circuits due to loose wiring harness connectors. 3. Air pressure issues: Insufficient cylinder compression, improper air filter resistance, or engine intake/exhaust system faults.

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