5. FUEL SYSTEM MXU 500 IRS
Check top cap and spring for cracks and
damage.
Top Cap Spring
Spring Covers
Check the diaphragms (coasting enrichment
valve and accelerating pump) for tears.
Check the spring (coasting enrichment valve
and accelerating pump) and cover (coasting
enricher and accelerating pump) for damage.
Diaphragms Spring
Jet Needle
Check jet needle, needle jet, slow jet, needle
jet holder, main jet, and pilot screw for bends,
wear and damage. Needle Jet
Slow Jet
Needle Jet Holder
Pilot Screw
Main Jet
5-15