TROUBLESHOOTING
CAUSE ACTION
1. Incorrectly gapped spark plug 1. Clean/gap or replace plug
2. Plugged spark arrestor 2. Clean or replace spark arrestor
3. Dirty air filter 3. Clean or replace air filter
CAUSE ACTION
1. Incorrect carburetor mixture adjustment setting 1. Have carburetor adjusted by a Sears or other
qualified service dealer
2. Old or improperly mixed fuel 2. Drain gas tank (see Storage)/add fresh fuel mixture
3. Air filter is plugged 3. Replace or clean the air filter
4. Fouled spark plug 4. Replace or clean the spark plug
CAUSE ACTION
1. Incorrect starting procedures 1. Follow instructions in the Starting/Stopping section
2. Incorrect carburetor mixture adjustment setting 2. Have carburetor adjusted by a Sears or other
qualified service dealer
3. Fouled spark plug 3. Clean/gap or replace plug
4. Empty fuel tank 4. Fill fuel tank with properly mixed fuel
5. Primer bulb was not pressed enough 5. Press primer bulb fully and slowly 10 times
UNIT WON’T START OR STARTS BUT WILL NOT RUN
UNIT STARTS, BUT ENGINE HAS LOW POWER
ENGINE HESITATES
NO POWER UNDER LOAD
CAUSE ACTION
1. Fuel filter is plugged 1. Replace the fuel filter
2. Incorrect lever position 2. Move to Position 3
3. Dirty spark arrestor screen 3. Replace spark arrestor screen
4. Dirty air filter 4. Remove, clean and reinstall filter
5. Incorrect carburetor mixture adjustment setting 5. Have carburetor adjusted by a Sears or other qualified
service dealer
CAUSE ACTION
1. Incorrect carburetor mixture adjustment setting 1. Have carburetor adjusted by a Sears or other
qualified service dealer
2. Air filter is plugged 2. Replace or clean the air filter
3. Old or improperly mixed fuel 3. Drain gas tank/add fresh fuel mixture
RUNS ERRATICALLY
CAUSE ACTION
1. Incorrect carburetor mixture adjustment setting 1. Have carburetor adjusted by a Sears or other
qualified service dealer
2. Incorrect fuel mixture 2. Use properly mixed fuel (40:1 mixture)
SMOKES EXCESSIVELY
NOTE: For repairs beyond the minor adjustments listed above, contact your nearest Sears Parts & Repair center at
(1-800-4-MY-HOME®) or other qualified service dealer for an adjustment.
SPECIFICATIONS
ENGINE*
BLOWER
Engine Type ................................................................................................................................................. Air-Cooled, 2-Cycle
Displacement................................................................................................................................................. (30 cc) (1.83 cu in.)
Idle Speed RPM............................................................................................................................................. 3,400 - 4,400 rpm
Operating RPM......................................................................................................................................................... 7,200+ rpm
Ignition Type ........................................................................................................................... Electronic-MAX FIRE IGNITION™
Ignition Switch ..................................................................................................................................................... Rocker Switch
Spark Plug Gap.......................................................................................................................................... 0.025 in. (0.635 mm)
Lubrication .......................................................................................................................................................... Fuel/Oil Mixture
Fuel/Oil Ratio......................................................................................................................................................................... 40:1
Carburetor .................................................................................................................................................................. with primer
Starter.................................................................................................................................... INCREDI-PULL™ Starting system
Muffler ............................................................................................................................................................ Baffled with Guard
Fuel Tank Capacity............................................................................................................................................. 20 oz. (600 ml.)
Throttle Control ................................................................................................................................................ Finger-Tip Trigger
Blower Velocity..................................................................................................................................................... up to 170 mph
Blower Air Output .................................................................................................................................................. up to 485 cfm
Approximate Unit Weight (No fuel) ............................................................................................................................... 19.5 lb.
Use goggles and hearing protection
16 17
The U.S. Environmental Protection Agency (EPA) and the MTD LLC are pleased to explain the emission control system
warranty on your 2007 small off-road engine. In California, new small off-road engines must be designed, built and equipped to
meet the State's stringent anti-smog standards. MTD LLC must warrant the emission control system on your small off-road
engine for the periods of time listed below provided there has been no abuse, neglect or improper maintenance of your small off-
road engine.
Your emission control system may include parts such as the carburetor or fuel-injection system, the ignition system, and catalyt-
ic converter. Also included may be hoses, belts, connectors and other emission-related assemblies.
Where a warranty condition exists, MTD LLC will repair your small off-road engine at no cost to you including diagnosis, parts
and labor.
McCulloch WARRANTY COVERAGE
The 2007 small off-road engines are warranted for two years. If any emission-related part on your engine is defective, the part
will be repaired or replaced by MTD LLC