Sears 917.25591 Possible Cause Will not Start, Hard to Start, Possible Remedy, Engine Overheats

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TROUBLE SHOOTING

POSSIBLE CAUSE

WILL NOT START

Clutch-Brake Pedal in drive position

Attachment Clutch Switch in "ENGAGED" position No gasoline in Fuel Tank or clogged Fuel Line or Fuel

Filter

Blown Fuse

Dead Battery

Defective Ignition or loose Wiring

Spark Plug fouled

HARD TO START

Choked improperly, flooded Engine

Clogged Fuel Tank, Fuel Line or Fuel Filter

Spark Plug fouled

Defective Battery

Defective Ignition or loose wiring

Water in gasoline or old fuel

Improper Carburetor adjustment

Poor compression

POSSIBLE REMEDY

Push Pedal into brake position (Fig, 8).

Move Lever to "DISENGAGED" position (Fig, 9)

Fill Tank with fresh Gasoline, Check Fuel Line (Fig, 44) and Carburetor (clean if necessary)

Check for fault and replace Fuse Recharge or replace Battery Check Wiring

Replace Spark Plug and adjust gap (Fig. 42)

Place Throttle Control in fast position (Fig, 9) and run

starter several times to clean out gas Remove and clean (Fig, 44)

Replace Spark Plug and adjust gap (Fig, 42) Recharge or replace

Check the wiring and Spark Plug

Drain Fuel Tank and Carburetor, use fresh fuel and replace Spark Plug

Make necessary adjustments (Fig 50)

Major engine overhaul

ENGINE MISSES OR LACKS POWER

Engine overloaded

Ctogged Fuel Filter

Clogged Fuel Tank

Partially plugged Air Cleaner

Improper Carburetor adjustment Dirty Air Screen

Low oil level

Spark Plug fouled, improper gap or wrong type

Faulty ignition

Poor compression

Gasoline in oil

Dirty Air Cleaner

ENGINE OVERHEATS

D_rty Air Screen

Low oll level

Dirty Engine

Partially plugged Muffler

Improper Carburetor adjustment

NO LIGHTS

No Headlight with Light Switch in "ON" position and engine running

WON'T CHARG E

Blown Fuse

Defective Battery

Shift to a lower gear or reduce load Remove and replace (Fig, 44) Remove and clean

Remove and clean (Fig, 36)

Make necessary adjustments (Fig, 50)

Clean Air Screen, Cylinder Fins (Fig, 41) and Muffler area Add or change oil (Fig. 35)

Replace Spark Plugs and adjust gap !Fig 42) Check Spark Plugs and for any loose wires Major Engine overhaul

Drain Engine oil and refill Remove and clean (Fig, 36)

Clean Air Screen (Fig 40)

Add or change oil (Fig, 35)

Clean Cylinder Fins, rotating Screen and Muffler area Remove and clean Muffler (Fig 40)

Adjust Carburetor {Fig, 50)

Check W_re Connections and Switch. Replace Light Bulbs

Check for fault and replace

Replace

STORAGE

=

1, FUEL SYSTEM

NOTE: THE USE OF A FUEL ADDITIVE, SUCH AS STA-

BIL, OR AN EQUIVALENT, WILL MINIMIZE THE FOR- MATION OF FUEL GUM DEPOSITS DURING STORAGE. SUCH AN ADDITIVE MAY BE ADDED TO THE GASO-

LINE IN THE FUEL TANK OF THE ENGINE, OR TO THE GASOLINE IN A STORAGE CONTAINER,

If Sta_Bi! is not used all fuel should be removed from fuel tank.,

a, Drain fuel tank and carburetor by allowing the engine to run out of gasoline, I_IOTE: GASOLINE LEFT IN YOUR ENGINE WILL LEAVE GUM DEPOSITS CLOG- GING FUEL SYSTEM.

b, Dispose of gasoline if not to be used. NOTE: GASO-

LINE STORED FOR SEVERAL MONTHS LOSES

ITS VOLATILITY (ABILITY TO BURN EFFECT-

IVELY)°

2.ENGINE OIL

Drain (with engine warm) and replace with ctean engine oil.

(See chart, page 6),

3.CYLINDERS

a. Remove Spark Plugs°

bPour one ounce of oil through spark plug holes into cy- linders.

c, Turn Ignition Key to "START" position for a few seconds to distribute oil

d,, Replace with new Spark Plugs=

4.BATTERY

al Remove battery if tractor is not used regularly during winter months, Store in cool, dry place {above 50°F.).

CAUTION: A DIRTY BATTERY CAN RUIN A

FLOOR. CLEAN BATTERY BEFORE STORAGE.

b.Re-chargeeach month if necessary. NOTE: BATTERIES NOT IN USE FOR SEVERAL MONTHS AND NOT

KEPT FULLY CHARGED, PRODUCE SULPHATE DEPOSITS ON PLATES WHICH CANNOT BE RE- MOVED BY RECHARGING.

5.GENERAL CLEANING

Clean engine, battery, seat, finish, etc. of all foreign matter,

6, STORE IN A CLEAN AND DRY AREA.

Sears, Roebuck and Co. reserves the right to make any changes

in design or improvements without imposing any obligation

25-t°install the same upon its items heretofore manufaetured_

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Contents 8EA/RS Large variety Full SO-DAY Warranty on BatteryTRANSMISSION-six speedsforward ScuffingRules for Safe Operation Wear EYE and Face SHtELD Install BatteryWash Hands or Clothing Immedi Ately tF Accidentally in ContactIntjext Wing Wing NUT Lockwasher Close HoodCLUTCH/BRAKE Temperature Range Expected Before Next OILPosition Clutch Position Brake ShaftOUT the Deflector Shield 1N Do not Operate the Mower with Remove KEY When Leaving TracTOR to Prevent Unauthorized Avoid Stopping or Shifting on HillsEach Pulley Mower and Drive Belt StallationRetaining Washer Clip Lift Link WasherHandle Rear Suspensionmower Bracketsbracket Release PIN Fiairpin Clip Adjust the mower while tractor is parked on level ground orDriveway, Make sure tire pressures are 14 PSI in front PSI in rearTo Lower Front of Mower To Raise Frontof MowerMower Engagement RoH,RUNNER Tire Chains Cannot be Used with the Mower Housing ATTACHED=Deflector Never Remove DEFLECTOR. Keep Hands and Feet from Under MOWLutely Sure the Blades and ALl Blade ReplacementEN Securely Always USE Grade 5 Heat Treated Power TA/KE= Cleanng MowerClutch Prevent Accidental Starting beFrom Tractor Outer Blades Drive BeltStorage Attachment Loft AdjustmentJAM NUT Dischargingcharging AmperesDipstick Change Engine OILClean Front Grill Moved AS Dirt Dust will Damage the Engine Clean AIR ScreenEvery 15 Hours if Operating in Very Dusty Conditions Lubricate Steering and Front WheelsClean Engine Cooling Fins 8o Clean Battery and TerminalsLubricating Grease Amdex NO, t, Sears Part no R Refer to Engine OIL SPECS. Under Initial PreparationReplace Spark Plugs Replace AIR Cleaner Paper Cartridge Refer toLubricate Ball Joints Replace IN*LINE Fuel FilterCheck Transaxle OIL Level Brake AdjustmentIf Tractor Requires More than TUGRefer to Starting the Engine TAKE. UP IdlerBelt Removal Finish AS YOU Complete10, Hood Removal DatesGeneral Cleaning Engine Misses or Lacks PowerPossible Cause Will not Start Hard to StartRED Diode Assembly Engine Coil STARTB-S Ignition SwitchOrange Light Switch Black29 719J KEY Part Description NO. no Descr IptionStandard Washer Lock 3/8Repair Parts KEY @11 82 U L M N O P Q RGarden TRACTOR-MODEL 22t85 Repar PartsPart GT 18 Twin Garden TRACTOR-MODEL Number 917,255910C D E Mower L ! FT Pump, Fuet LiftBracket, Lift Standard HARDWARE-PURCHASERepair PT8 C D E F G REPAmR Parts 4216R Differential Gear 8119M GT 18 Twin Garden TRACTOR--MODEL Number TransaxleReduction Gear Shaft 7398H Extra Heavy 101444XRepahr Parts Description KEY Part KEY Part NO, noRpair Parts KEY Part NO. no Part Description KEY 223222848 Cover Air Guide 222847 392681 Housing- Blower222849 Cover Air Guide 222846 93163 Screw- Sere 93777Servics Notes SKY LaNE or Tree Sight and Hold Thss Level withGT 18 Twin Speed Garden Tractor

917.25591 specifications

The Sears 917.25591 is a robust lawn tractor that has earned a solid reputation among gardening enthusiasts and homeowners alike. Known for its reliability and impressive features, this model is ideal for tackling various landscaping tasks, from mowing to hauling. One of the standout characteristics of the 917.25591 is its powerful engine. Typically equipped with a Briggs & Stratton engine, this lawn tractor delivers the performance needed to handle tough grass and uneven terrain with ease. The engine provides a good balance between power and fuel efficiency, making it a practical choice for regular lawn maintenance.

Another key feature of the Sears 917.25591 is its cutting deck. With a generous width, the deck allows for efficient mowing, reducing the number of passes needed to maintain a well-groomed lawn. The adjustable cutting height settings provide versatility, enabling users to customize their mowing experience based on grass type and seasonality.

User comfort is also paramount in the design of the 917.25591. The adjustable seat ensures that operators can find their ideal position, making long hours of mowing more manageable. The ergonomic controls are intuitively placed, allowing for easy operation while minimizing fatigue. Additionally, the tractor's tight turning radius enables maneuverability around flower beds and tight spaces, ensuring that every nook of your landscape is tended to.

One of the advanced technologies integrated into the Sears 917.25591 is its automatic transmission. This feature eliminates the need for manual gear shifting, allowing for a smoother driving experience. The transmission system seamlessly adapts to changing terrains and mowing conditions, ensuring optimal performance at all times.

The sturdy construction of this lawn tractor also means it is built to last. Made from high-quality materials, it withstands the rigors of frequent use, making it a worthwhile investment for anyone serious about lawn care. Furthermore, available attachments such as baggers and snow plows make the Sears 917.25591 a versatile machine that extends its functionality beyond just mowing.

In summary, the Sears 917.25591 is a well-rounded lawn tractor that combines a powerful engine, user-friendly features, advanced technologies, and durable construction to meet the needs of any homeowner or gardener. Its reliable performance and versatility have made it a popular choice for those looking to maintain a beautiful outdoor space.
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