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Page 10 For technical questions, please call 1-888-866-5797. ITEM 61725
SAFETY OPERATION MAINTENANCESETUP
High Altitude Operation Above 3000 feet
WARNING! TO PREVENT SERIOUS INJURY FROM FIRE:
Follow instructions in a well-ventilated area away from ignition sources.
If the engine is hot from use, shut the engine off and wait for it to cool before proceeding. Do not smoke.
NOTICE: Warranty void if necessary adjustments are not made for high altitude use.
At high altitudes, the engine’s carburetor, governor, and any other parts that control the fuel-air ratio will need
to be adjusted by a qualified mechanic to allow efficient high-altitude use and to prevent damage to the engine
and any other devices used with this product. The fuel system on this engine may be influenced by operation
at higher altitudes. Proper operation can be ensured by installing an altitude kit at altitudes higher than 3000 ft.
above sea level. At elevations above 8000 ft, the engine may experience decreased performance, even with
the proper main jet. Operating this engine without the proper altitude kit installed may increase the engine’s
emissions and decrease fuel economy and performance. The kit should be installed by a qualified mechanic.
High Altitude Kit Parts List - A
Part Description Qty
A1 Left Main Jet 3000-6000 ft. 1
A2 Right Main Jet 3000-6000 ft. 1
A3 Left Main Jet 6000-8000 ft. 1
Part Description Qty
A4 Right Main Jet 6000-8000 ft. 1
137d Outer Bowl O-ring (replacement) 1
137e Inner Bowl O-ring (replacement) 1
Disassembly
1. Turn off the engine.
2. Close the fuel valve.
3. Remove the Air Cleaner Top Knob (142a) and the
two Air Cleaner Front Knobs (102). See Figure D.
Air Cleaner
Top Knob (142a)
Air Cleaner
Front Knob
(102)
Figure D: Remove Knobs
4. Remove the Air Cleaner Front Cover (101),
pulling it up then out. See Figure E.
Air Cleaner
Front Cover (101)
Figure E: Remove Front Cover