O.S. Engine OS45526032 M14 Exhaust Header Pipe Nut for FS120SE FS120SIII FS155P  [OS45526032]

O.S. ENGINES M14 EXHAUST HEADER PIPE NUT FS120SE,FS120SIII,FS?\\155P
Price:
£2.75
Brand:
O.S. Engine
Model:
OS45526032
GTIN:
4531028123304
Condition:
Brand New
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M14 exhaust nut — inspection and upkeep

This M14 exhaust header pipe nut is an accessory crafted to fasten the connection between an exhaust header and muffler on O.S. Engine FS120-series nitro engines. It is intended to clamp and seal the joint, reducing exhaust leakage and helping maintain backpressure stability for regular running and servicing.

To fit the part: hand-thread the nut onto the header stub, align the pipe correctly, and then tighten progressively to prevent cross-threading. Follow common RC maintenance procedures for torque and thread engagement, and check for leaks after a short running period. The description treats this as a model-engine component and not for use on real vehicles.

The manufacturer specifies fitment for FS120SE, FS120SIII, and FS155P only. Always confirm your header thread and stub match before completing installation.

How often should I inspect the header nut for leaks or wear?

Inspect the nut and mating threads after the first few runs following installation and during routine maintenance cycles. Look for thread damage and signs of exhaust seepage.

What should I check if I detect an exhaust leak at the joint?

Re-check alignment and thread engagement, hand-start and re-tighten the nut, and inspect the header stub and pipe for deformation. Replace the nut if threads show wear.

Is any special tool required for routine checks?

No special tool is required for inspection. Use standard hand tools for final tightening, observing correct torque practice, and recheck seal after running.

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