Description
Compensating Tube, 66 mm (Rotax Part No. 956143)
Description
A genuine Rotax compensating tube used to equalize intake manifold pressure between dual carburettors on Rotax 912UL(S), 912iS, and 914 engines. This rigid tube ensures consistent vacuum balance for smoother engine performance.
Key Features
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Length: approximately 66 mm, with a tolerance of ±3 mm
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OEM Rotax part, typically referenced under intake manifold component assembly
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Lightweight and precisely engineered to maintain intake pressure consistency
Benefits
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Balances vacuum pressure across carburettors to prevent uneven fuel mixture
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Reduces throttle response surges and rough running
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Reliable fixed-length construction ensures consistent performance compared to flexible hoses
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OEM compatibility provides easy drop-in replacement during service
Application Notes
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Used in pairs—one per intake bank—as indicated in intake manifold diagrams
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Inspect the tube for damage or deformation during maintenance and replace if compromised










