ATHENA Exhaust Gasket for SHERCO SE 125 2018-2025

On SHERCO SE 125 from 2018 to 2025, the ATHENA S410462012002 exhaust gasket fits in place of the original part. At the junction between the engine and the exhaust, this gasket has to cope with very hot gases and vibration. Crushed or hardened, it lets gases escape: noise, spitting and loss of power.

Specifications

• Brand: ATHENA
• Manufacturer part number: S410462012002
• EAN code: 8051757131679
• Engine: 2-stroke

When to replace it?

• Black or oily marks at the exhaust outlet.
• Spitting, a leaking noise at idle, backfiring on deceleration.
• Gasket crushed, brittle or burnt on removal.

Every time the header pipe or expansion chamber is removed, and as soon as a leak appears.

Fitting tips

1. Clean the gasket seat on both the engine side and the exhaust side.
2. Offer up the exhaust without forcing it, fit all the fasteners, then tighten progressively.
3. Warm the engine up, let it cool down and check the tightness again.

Why ATHENA?

Founded in 1973 near Vicenza, Athena is an Italian engine gasket specialist that has made its gaskets on its own production lines since day one, as well as a renowned manufacturer of pistons and cylinder kits. The brand supplies original equipment to manufacturers such as KTM, Ducati, Fantic, Piaggio and Triumph, and is a partner of the MXGP motocross world championship.

Spare parts and items to plan

• Top-end gasket kit : ATHENA P400462600004 · ATHENA R4626-004

Frequently asked questions

Can I reuse the old gasket?
No: it crushes and deforms as it heats up. A new gasket costs little and prevents a leak.

Compatibility

Check the exact model and year of your bike in the list below before ordering.

Fits:
SHERCO SE 125 2025
SHERCO SE 125 2024
SHERCO SE 125 2023
SHERCO SE 125 2022
SHERCO SE 125 2021
SHERCO SE 125 2020
SHERCO SE 125 2019
SHERCO SE 125 2018