251WS - Saw Shindaiwa - Free user manual and instructions
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| Product type | Gasoline chainsaw |
| Brand | Shindaiwa |
| Model | 251WS |
| Engine | 2-stroke gasoline, 25.4 cc |
| Power | 1.1 kW (1.5 hp) |
| Guide bar length | 35 cm (14 inches) |
| Chain pitch | 3/8" Low Profile |
| Fuel tank capacity | 0.25 L |
| Chain oil tank capacity | 0.15 L |
| Weight (without bar and chain) | 4.2 kg |
| Ignition system | Electronic |
| Starting | Recoil starter |
| Noise level | 110 dB(A) |
| Vibrations (front handle) | 3.0 m/s² |
| Carburetor | Diaphragm |
| Air filter | Felt |
| Clutch | Centrifugal |
| Chain brake | Yes |
| Handle type | Rear |
| Box contents | Chainsaw, guide bar, chain, assembly tool, user manual |
Frequently Asked Questions - 251WS Shindaiwa
What fuel should I use for the Shindaiwa 251WS?
Use a mixture of unleaded gasoline (octane rating 95) and 2-stroke oil at a 50:1 ratio. Follow the proportions indicated in the manual.
How to start the chainsaw when cold?
Set the choke, pump the primer bulb until fuel appears, pull the starter cord until the engine coughs, then open the choke and pull again.
What chain oil to use?
Use a biodegradable chain oil or a special chainsaw oil. Never use used motor oil.
How to sharpen the chain of the 251WS?
Use a round file matching the chain pitch (3/8" Low Profile). File each tooth at a 30° angle while respecting the depth gauge height.
What to do if the chainsaw does not start?
Check the fuel mixture, ignition (spark plug), air filter, and carburetor purge. If the problem persists, consult a professional.
How to adjust chain tension?
Loosen the guide bar nuts, turn the tension screw until the chain touches the underside of the bar, then tighten the nuts. The chain should be able to spin freely.
What safety precautions to take?
Always wear protective equipment: helmet, face shield, gloves, cut-resistant pants, safety shoes. Never work alone and keep children away.
How to clean the air filter?
Remove the filter cover, take out the felt filter, clean it with compressed air (from inside to outside) or replace it if very dirty.
Where to find Shindaiwa spare parts?
Check an authorized Shindaiwa dealer, specialized websites, or online platforms like Shindaiwa-parts.com. Always use genuine parts.
How to store the chainsaw?
Empty the fuel tank, run the engine until it stalls, clean the machine, oil the chain, and store it in a dry, clean place.
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USER MANUAL 251WS Shindaiwa
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Product information
Brand : Shindaiwa
Model : 251WS
Category : Saw