Subaru SP170 Instructions For Use Manual page 15

Periodic Maintenance Schedule Table
Maintenance Items
Clean engine and check bolts and nuts
Check and refill engine oil
Change engine oil (*Note 1)
Clean spark plug
Clean air cleaner
Clean spark arrester (Optional part)
Replace air cleaner element
Clean fuel cup
Clean and adjust spark plug and electrodes
Replace spark plug
Remove carbon from cylinder head (*Note 2)
Check and adjust valve clearance (*Note 2)
Clean and adjust carburetor (*Note 2)
Replace fuel lines
Overhaul engine if necessary (*Note 2)
*Note 1: Initial oil change should be performed after first twenty (20) hours of operation. There after change oil every hundred
(100) hours. Before changing oil, check for a suitable way to dispose of old oil. Do not pour it down into sewage
drains, onto garden soil or into open streams. Your local zoning or environmental regulations will give you more
detailed instructions.
*Note 2: As to the procedures for these items, please refer to the SERVICE MANUAL or consult your nearest service dealer.
The emission control system consists of the following parts:
• Carburetor and internal parts
• Cold start enrichment system, if applicable
• Intake manifold, if applicable
• Air cleaner elements
• Spark Plug
• Magneto or electronic ignition system
• Spark advance / retard system, if applicable
• Exhaust manifold, if applicable
• Hoses, belts, connectors, and assembles
The maintenance schedule indicated in the table above table is bases on the normal engine operation.
Should the engine be operated in extremely dusty conditions or in heavier loading condition, the maintenance intervals must be
shortened depending on the contamination of oil, clogging of filter elements, wear of parts, and so on.
Every 50
Every 8 hours
hours
(Daily)
(Weekly)
• (Daily)
• (Refill daily up to upper level)
• (Initial 20 hours)
• (Every 100 hours)
• (Every 100 hours)
•
• (Every 100 hours)
Every 200
Every 500
hours
hours
(Monthly)
•
•
•
•
•
•
•
Every 1000
hours
• (Yearly)
•