About the Honda TL125 Trials
Early TL125 and TL125S fuel, ignition and engine-service applications.
Honda’s small four-stroke trials motorcycle
The TL125 belongs to Honda’s four-stroke trials range. The period TL125S brochure describes an air-cooled single-cylinder engine and five-speed transmission. For a bike returning to use, identify its complete model and the engine, carburetor and fuel tap fitted before choosing service parts.
Early TL125 parts and the TL125S application
The carburetor float and oil-filter screen include TL125 1973–1975 and TL125S 1976 applications. The featured top-end gasket set has narrower coverage: TL125 1974–1975. Follow the S-model collection for TL125S choices and match engine gaskets to the engine rather than the frame alone.
Explore Honda motorcycle parts and Honda TL parts.
TL125 and TL125S parts by application
| Model | Example years | Repair example |
|---|---|---|
| TL125 | 1973–1975 | Carburetor float and pin / oil-filter screen |
| TL125 | 1974–1975 | Top-end gasket set |
| TL125S | 1976 | Fuel petcock / carburetor float |
These are selected product applications. Use the exact year and engine identity for gasket selection; early TL125 coverage does not confirm TL125S fitment.
Know your modelTL125 model and parts differences
Early model applications
TL125 engine work
The TL125 1974–1975 top-end gasket set should be compared with the engine and joints being opened. Do not carry its year range across to a TL125S.
S-model applications
TL125S fuel-system parts
The TL125S 1976 fuel petcock lists the S model. The carburetor float and pin lists early TL125 and 1976 TL125S applications separately.
Motorcycle and component detailsTL125 identification checklist
- Model and year: Confirm the TL125 or TL125S designation and the correct model year.
- Engine and cylinder head: Record engine identification and compare gasket shapes and openings before selecting a set.
- Carburetor and tank: Check the fitted carburetor, float shape, petcock mounting and outlet direction.
- Controls and electrical parts: Compare the installed levers, perches, wiring and ignition component specifications.