Description
Compensating Tube, 81 mm (Rotax Part No. 956141)
Description
A genuine Rotax compensating tube measuring approximately 81 mm in length. This rigid tube is designed to connect the crossover port between intake manifolds on ROTAX 912UL/ULS and 914 engines, ensuring even pressure distribution across both carburettors.
Key Features
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Length: 81 mm ± 3 mm, as specified by Rotax
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OEM part (No. 956141), replacing prior references such as 956143 for certain applications Rigid tubing manufactured to original equipment specifications
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Lightweight design, approximately 0.2 kg
Benefits
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Balances intake vacuum between dual carburettors, supporting smooth engine performance
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Prevents uneven mixture distribution that can cause rough running or power loss
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Precision-length tube eliminates air pressure imbalances caused by unsupported hose
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Superior to flexible hoses thanks to reliable, fixed dimensions
Service Notes
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Two tubes are used—one per engine side—as illustrated in Rotax intake manifold diagrams (Fig. 73‑10‑00‑1)
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Check tube for cracks or deformation during intake inspections; replace if damaged
