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Hirth 3203 — hard start when cold
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500cc
Updated 2026-06-27
Overview
Hypotheses
3
Notes
1
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Possible Causes
None of these? →
#1
Sticking needle valve in carburetor
82%
#2
Weak ignition coil at low temperatures
61%
#3
Pilot jet undersized for ambient temperature
44%
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