Parts for Ryobi 725R: Engine Parts

Protective cover assembly that shields the muffler on gas tillers and trimmers. Replace if cracked, broken, or missing to safely house exhaust components.

Carburetor rebuild kit for gas-powered outdoor equipment. Replace when engine runs rough, won't start, or idles poorly. Verify model compatibility.

Air filter cleaner for gas trimmers and tillers. Replace when clogged or engine runs rough to restore performance. Confirm fit with your model number.

Engine piston ring set prevents fuel leakage and maintains compression. Replace when you notice reduced power, excessive smoke, or oil consumption. Verify fit with your model number before ordering.

Engine won't start or has no compression? This short block assembly restores power to your gas trimmer. Professional-level repair for experienced DIYers.

Snow thrower won't start in cold weather? A broken choke lever prevents proper cold starting. This replacement lever restores choke control.

Replacement clutch spring for tillers and trimmers. Restores proper clutch tension and engagement. Order a new spring if yours is broken, stretched, or missing.

Line won't feed or trimmer line keeps breaking? This reel assembly holds and feeds cutting line properly. Common DIY replacement for worn or damaged reels.

Engine won't start or runs rough? This tiller carburetor assembly mixes fuel and air properly for smooth operation. Moderate DIY repair in 30-45 minutes.

Replacement shoulder strap for line trimmers and leaf blowers. Attaches to equipment for comfortable, hands-free operation. Replace if worn, frayed, or broken.

Seals between carburetor and engine to prevent air leaks and maintain proper compression. Replace if damaged, cracked, or during carburetor rebuild. Verify fit with your model number.

Primer bulb and hose assembly adds fuel to the carburetor for easier starting. Replace if bulb stays hard, won't create suction, or cracks. Verify fit.

If your trimmer won't start, runs rough, or stalls frequently, a faulty carburetor may be the cause. This carburetor assembly restores proper fuel flow.

Engine won't start or runs rough? This reed valve assembly controls air-fuel mixture in 2-cycle engines. Common fix for power equipment starting issues.

Seals the crankcase to carburetor mount, preventing air, fuel, and oil leaks in outdoor power equipment engines. Replace if cracked or worn.

Crankcase service assembly for snow throwers and outdoor power equipment. Replace if housing is cracked, damaged, or leaking oil. Essential structural component.

Replacement fuel cap assembly for tillers and outdoor power equipment. Seals fuel tank, prevents debris entry, and features vent slots. Needed when original cap is cracked, broken, or gasket is worn.

Fuel return line hose routes excess fuel from the carburetor back to the tank. Replace if cracked, brittle, leaking, or damaged to prevent fuel loss.

Fuel line assembly transports gas from tank to carburetor on tillers and outdoor power equipment. Replace if cracked, brittle, or leaking. Verify fit.

Flywheel assembly for tillers and outdoor power equipment. Replaces cracked, damaged, or worn flywheels that affect engine timing and cooling fan operation.

Engine won't start when you pull the cord? This recoil starter pulley restores smooth pull-start operation on snow throwers, tillers, and trimmers.

Rope won't retract after pulling? This recoil starter spring restores proper rope tension in lawn equipment engines. Essential starter assembly component.

Fix a lawn mower or trimmer that won't pull start with this recoil starter rope guide. Guides the pull rope smoothly to engage the engine. Simple DIY fix.

Replacement pull start handle for edgers and outdoor power equipment. Installs on the recoil starter assembly. Order if yours is cracked, broken, or missing.

Replace a frayed or broken starter rope that prevents your engine from starting. This pull rope wraps around the starter pulley for manual ignition.

Fastening screw for outdoor power equipment. Secures components and reduces vibration. Replace if stripped, corroded, or missing from your machine.

Trimmer won't engage or power head spins constantly? This clutch drum assembly houses the clutch mechanism that engages cutting tools at proper RPMs.

Cover screw for attaching metal housing parts, assemblies, and shrouds on outdoor power equipment. Replace if missing, stripped, or damaged during maintenance.

Anti-rotation screw for line trimmer drive shaft housing. Prevents housing from turning inside main assembly. Replace if stripped, missing, or broken.

Excessive engine noise from your gas trimmer? This muffler assembly reduces motor sound during operation. Direct-fit replacement for string trimmers.

Engine losing power or not running smoothly? A clogged spark arrestor restricts exhaust flow. Simple cleaning or replacement restores performance.

Replace this carburetor-to-muffler gasket when you notice exhaust leaks or loss of engine performance. Confirm fit with your tiller model number.

Engine won't start or has low compression? This cylinder assembly fixes compression issues in tillers and small gas engines. Moderate DIY repair.

Replacement mounting screw for tillers and outdoor power equipment. Secures components and panels. Order a new screw if original is stripped or missing.

Compression spring for line trimmers. Installs in the trimmer head assembly to maintain tension. Replace if worn, broken, or missing for proper operation.