Description
Fuel Pump Nipple 9/5.7 mm (Rotax Part No. 840745)
Description
This precision-machined metal fuel pump nipple connects the inlet side of the mechanical fuel pump to the fuel line on Rotax 912/914 engines. Accurate dimensions and OEM specifications ensure a secure, leak-free connection and reliable fuel delivery.
Key Features
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Inlet nipple sizing: 9 mm to 5.7 mm
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Manufactured to Rotax OEM tolerances for use with mechanical fuel pumps
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Durable corrosion-resistant metal construction
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Compact component suitable for standard tool installation
Benefits
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Maintains precise fuel flow with a secure fitting
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Prevents fuel leakage under vibration and pressure variations
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Ensures OEM-quality compatibility and durability
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Essential during pump servicing or replacement
Application Notes
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Service Bulletin SB‑912‑076UL recommends using new inlet and outlet nipples together with gasket rings during pump overhaul
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Use appropriate thread sealant (e.g., Loctite 577, leaving first thread free) and tighten to approximately 10 Nm per fitting
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Always inspect and replace nipple if signs of wear or damage are present during maintenance
