AOKLEY LT-27, MS-27C, MS-27U
AOKLEY Carburetor User Manual
For Dolmar LT-27, MS-27C, MS-27U, and compatible Makita String Trimmers
1. Ro-ràdh
This manual provides essential information for the installation, maintenance, and troubleshooting of your AOKLEY replacement carburetor. This carburetor is designed to replace original parts for various string trimmer models, ensuring optimal fuel-air mixture for efficient engine operation.
1.1 Co-chòrdalachd Bathar
This AOKLEY carburetor is compatible with the following models:
- Dolmar: LT-27, MS-27C, MS-27U
- Makita String Trimmers: RBC2510, RBC2500, PTR2500, EM2500U, ER2600L, EM2600L, EM2600U
It replaces Makita Part Numbers: 168669-7, 525-60860-00, DA00000417, 671000417.
1.2 Susbaint a’ phacaid
Tha na co-phàirtean a leanas anns a’ phacaid:
- 1 x Carburadair
- 1 x gaskets
- 1 x Fuel Filter
- 1 x Pluga Sradag
- 2 x Bulbaichean Prìomhachaidh
- 2 x Fuel Lines
Key features of this product include its durability, precise fit, ease of installation, and long service life.
2. Setup agus Stàladh
Proper installation is crucial for the optimal performance of your new carburetor. If you are unsure about any step, it is recommended to seek professional assistance.
2.1 Ceumannan Sàbhailteachd
- Dì-cheangail uèir a’ phluga lasachaidh an-còmhnaidh mus dèan thu obair-chàraidh no stàladh sam bith gus casg a chuir air tòiseachadh gun fhiosta.
- Obraich ann an sgìre le deagh fhionnarachadh.
- Cuir ort uidheamachd dìon pearsanta iomchaidh, leithid miotagan agus dìon-sùla.
- Handle fuel with extreme care. Ensure no open flames or ignition sources are nearby.
- Allow the engine to cool completely before beginning work.
2.2 Ceumannan Stàlaidh (Stiùireadh Coitcheann)
- Ag ullachadh: Drain any remaining fuel from the fuel tank. Remove the air filter cover and air filter.
- Disconnect Old Carburetor: Dì-cheangail na loidhnichean connaidh, ceangal an t-sròin, agus ceangal an t-sròin gu faiceallach bhon t-seann charbadair. Thoir fa-near an suidheachadh aca airson ath-chruinneachadh.
- Thoir air falbh an seann charburetor: Fuasgail an seann charbadair bhon iomadachd einnsein. Bi faiceallach mu ghaisgtean sam bith.
- Stàlaich Gasgaidean Ùra: Ensure the mounting surfaces are clean. Place the new gaskets (included) in their correct positions between the engine, carburetor, and air filter housing.
- Cuir Carburetor Ùr air: Attach the new AOKLEY carburetor to the engine manifold, securing it with the bolts. Do not overtighten.
- Reconnect Linkages and Fuel Lines: Reconnect the throttle and choke linkages. Install the new fuel lines and primer bulbs if necessary, ensuring correct routing and secure connections. Install the new fuel filter in the fuel tank.
- Install Spark Plug: Replace the old spark plug with the new one provided.
- Co-chruinneachadh Deireannach: Reinstall the air filter and air filter cover. Refill the fuel tank with the appropriate fuel mixture.

Figear 2.2.1: Os a chionnview of the AOKLEY Carburetor kit, showing the main carburetor unit, fuel lines, primer bulbs, spark plug, fuel filter, and gaskets.
3. Prionnsabalan Obrachaidh
The carburetor is a vital component responsible for mixing air and fuel in the correct ratio for combustion within the engine. Once installed, the carburetor operates automatically to deliver the necessary fuel mixture based on engine demand.
For detailed operating instructions of your specific string trimmer model, please refer to the original equipment manufacturer's user manual.
4. Cumail suas
Regular maintenance of your carburetor and associated components will ensure long-term performance and reliability of your equipment.
4.1 Carburetor Cleaning
- Periodically inspect the carburetor for external dirt or debris. Clean with a soft brush and carburetor cleaner if necessary.
- If the engine experiences performance issues, internal cleaning of the carburetor may be required. This typically involves disassembling the carburetor and cleaning jets and passages with carburetor cleaner and compressed air. This task is best performed by experienced individuals.
4.2 Cumail suas Siostam Connaidh
- Filter connaidh: The included fuel filter should be replaced periodically (e.g., annually or every 50 hours of operation) to prevent contaminants from reaching the carburetor.
- Loidhnichean connaidh: Inspect fuel lines for cracks, hardening, or leaks. Replace them if any damage is observed. New fuel lines are provided in the kit.
- Primer Bulbs: If the primer bulb becomes cracked or loses its elasticity, replace it. Two new primer bulbs are included in your kit.
4.3 Cumail suas plug spark
- Inspect the spark plug (BM6A type, included) regularly for wear, carbon buildup, or damage.
- Clean the spark plug electrodes with a wire brush if necessary.
- Ensure the spark plug gap is set correctly according to your equipment's specifications.
- Replace the spark plug if it is fouled, worn, or damaged.

Figure 4.3.1: Components for fuel system and ignition maintenance, including fuel lines, primer bulbs, and spark plug.
5. A ’dèanamh trioblaid
This section addresses common issues that may arise and provides basic troubleshooting steps. Always ensure safety precautions are followed before attempting any repairs.
| Trioblaid | Adhbhar a dh’fhaodadh a bhith ann | Fuasgladh |
|---|---|---|
| Engine will not start or starts with difficulty. |
|
|
| Engine runs rough or stalls. |
|
|
| Tha dìth cumhachd aig an einnsean. |
|
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If problems persist after following these steps, it is advisable to consult a qualified service technician or the equipment's original manufacturer for further assistance.
6. Sònrachaidhean
| Feart | Mion-fhiosrachadh |
|---|---|
| Seòrsa Bathar | Pasgan Carburetor Ath-chur |
| Brand | AOKLEY |
| Modalan co-fhreagarrach | Dolmar LT-27, MS-27C, MS-27U; Makita RBC2510, RBC2500, PTR2500, EM2500U, ER2600L, EM2600L, EM2600U |
| A’ cur an àite àireamhan pàirt | 168669-7, 525-60860-00, DA00000417, 671000417 |
| Cuideam nì | 0.035 unnsa |
| Dèanadair | AOKLEY |
| Dùthaich Tùs | Sìona |
7. Barantas agus Taic
For any questions regarding the AOKLEY Carburetor, including installation assistance, troubleshooting beyond this guide, or warranty inquiries, please contact the manufacturer directly through your point of purchase or the official AOKLEY support channels.
Cùm dearbhadh ceannach airson tagraidhean barantais sam bith.