TB25HT - Lawn mower TROY-BILT - Free user manual and instructions
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| Product Type | Gas-Powered String Trimmer |
| Engine Displacement | 25 cc |
| Engine Type | 2-Cycle |
| Fuel Mix Ratio | 50:1 (gas:oil) |
| Starting System | Primer bulb and recoil start |
| Cutting Width (Swath) | 17 inches |
| Cutting Line Diameter | 0.095 inches |
| Line Feed | Bump feed |
| Shaft Type | Curved shaft |
| Overall Length | Approx. 60 inches |
| Weight (without fuel) | Approx. 12 lbs |
| Fuel Tank Capacity | 14 oz |
| Handle Type | J-handle with adjustable position |
| Harness Included | Yes, shoulder strap |
| Power Source | Gasoline |
| Maintenance | Clean air filter, spark plug, and fuel system regularly |
| Safety Features | Throttle lock, guard, and stop switch |
| Replacement Parts | Spark plug (Champion RCJ6Y), air filter, fuel filter, trimmer line |
| Warranty | 2-year limited consumer warranty |
Frequently Asked Questions - TB25HT TROY-BILT
What is the fuel mix ratio for the Troy-Bilt TB25HT?
The recommended fuel mix ratio is 50:1 (2.6 oz of 2-cycle oil per gallon of unleaded gasoline). Use a high-quality oil designed for air-cooled engines.
How do I replace the trimmer line on the TB25HT?
1) Stop the engine and disconnect the spark plug. 2) Press the tabs on the bump head and remove the spool. 3) Cut a 20-foot length of 0.095-inch diameter line. 4) Wind the line evenly onto the spool, leaving about 6 inches out. 5) Feed the ends through the eyelets and reassemble.
Why won't my TB25HT start?
Common causes: old fuel, clogged fuel filter, dirty air filter, or a fouled spark plug. Ensure fuel is fresh (less than 30 days old), clean or replace the air filter, and check the spark plug for gap (0.025 in) and condition.
What type of spark plug does the TB25HT use?
The recommended spark plug is the Champion RCJ6Y (or equivalent). The gap should be set to 0.025 inches (0.635 mm).
How do I adjust the idle speed on the TB25HT?
Locate the idle speed screw (marked 'LA' or 'Idle') on the carburetor. Turn it clockwise to increase idle speed, counterclockwise to decrease. The cutting head should not rotate at idle.
Can I use ethanol-blended fuel in the TB25HT?
Fuels with up to 10% ethanol (E10) are acceptable, but higher blends may cause damage. For best performance, use ethanol-free fuel and always add a fuel stabilizer.
How often should I clean the air filter?
Clean the foam air filter after every 10 hours of use. Wash with warm soapy water, squeeze dry, and lightly oil before reinstalling. Replace if damaged.
What is the correct cutting line length for the TB25HT?
When trimming, the line should extend approximately 6-8 inches from the head. The bump head automatically releases more line when tapped on the ground.
How do I store the TB25HT for winter?
1) Run the carburetor dry of fuel. 2) Remove the spark plug and add a teaspoon of oil into the cylinder, pull the starter rope slowly to distribute, then reinstall plug. 3) Clean the unit and store in a dry place.
What is the warranty period for the Troy-Bilt TB25HT?
The Troy-Bilt TB25HT comes with a 2-year limited warranty for consumer use. Commercial or rental use may have a shorter warranty. Keep your receipt.
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