Powerhorse M1175B, Owner'S Manual

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Exhaust Control System (cont’d)
3. Modifying
Modifying the exhaust control system may affect the exhaust emissions to the point where it exceeds legal limits.
Illegal modification such as:
a.)
Dismantling or modification of air intake or exhaust system.
b.) Modification of takeoff speed-adjustment connection device or speed-adjustment device to result in the
engines running beyond pre-set parameters.
4. Problems Affecting Exhaust Emissions
a.) Difficult starting or difficult stopping.
b.) Unstable idling.
c.) Puffs of black smoke or excessive fuel consumption.
d.) Poor ignition sparks or sparks returned.
Should you experience any of the problems listed above, please contact your Powerhorse dealer.
Maintenance
MAINTENANCE SCHEDULE
Frequency Item
Each
Time
First
Month of
20 Hrs
Each
Season or
50 Hrs
Every 6
Months or
100 Hrs
Each
Year or
300 Hrs
Engine Oil Oil level check

Replace 
Air Cleaner Check

Clean

 *
Replace  **
Sediment Cup Clean

Spark Plug Clean, Adjust 
Replace

Spark
Eliminator Clean

Idling Check, Adjust

Valve
Clearance Check, Adjust

Fuel Tank &
Fuel Filter
Clean

Fuel Supply
Line Check Every two years (do a replacement if necessary)
* Only for inside-ventilated double core-carburetors.
** Only for paper core air cleaners. Every two years or 600 hours for dust collecting air cleaners.
Service engine more frequent if used in dusty conditions.
Should be done by your Powerhorse dealer, unless you are trained and equipped with the proper tools.
WARNING

Shut off the engine before performing any maintenance. If the engine must run, make sure the area is
well ventilated. The exhaust contains poisonous carbon monoxide gas.
CAUTION

Use replacement parts from a Powerhorse dealer or equivalent source; otherwise damage may result.