Description
Genuine Rotax Fuel Pump (Part No. 893115)
Description
An upgraded mechanical diaphragm fuel pump for Rotax 912 series engines. This third-generation pump replaces earlier models and provides reliable fuel delivery with enhanced serviceability.
Key Features
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Diaphragm and dual check-valve design ensures steady fuel flow
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Internal vent/drain port protects against oil or diaphragm leaks
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Updated from previous models (893110, 893114); designed as a standalone pump with configurable fittings
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Distinctive Serial number marking on top identifies third-generation design
Technical Performance
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Engine-driven via eccentric cam on gearbox—spring-loaded diaphragm maintains consistent 0.1–0.2 bar pressure at idle
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Available with or without pre-fitted hose adapters
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Non-serviceable assembly; seal drainage helps early fault indication
Benefits
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Compatible with Rotax 912UL, ULS.
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Improved reliability over older pumps due to enhanced diaphragm design and venting
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Maintenance-friendly: external vent hose routes potential leaks away from engine compartment
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OEM quality ensures proper fitment and compliance with service bulletins
Maintenance & Installation Notes
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When installing, configure with correct hose fittings and isolating flange per service manual instructions
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Regularly inspect the external vent line for signs of leakage
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Ensure clean fuel supply and proper torque on mounting fasteners for vibration resistance