Rato 125-S Owner's Manual

Rato 125-S Owner's Manual

Gasoline engine
125-S 145-S 170-S Gasoline Engine
(Vertical Shaft)
Owner's Manual
Table of Contents
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Summary of Contents for Rato 125-S

  • Page 1 125-S 145-S 170-S Gasoline Engine (Vertical Shaft) Owner’s Manual...
  • Page 3 Thank you for choosing a small general gasoline engine of our company. The manual gives information with respect to operation and maintenance of the 125-S 145-S 170-S general gasoline engine, and be sure to read carefully insure user’s safety and get the best results of the engine operation. If a problem should arise or if you have any questions about your gasoline engine, consult an authorized our company servicing dealer.
  • Page 7 SAFETY PRECAUTIONS 9. Refuel the fuel tank not too full so as to avoid fuel’s spilling out. If there is spilled fuel around, be sure to clean it thoroughly before starting. 10. Do not run the engine in airtight or ill-ventilated places. the engine stops.
  • Page 8: Parts Description

    II. PARTS DESCRIPTION 1. Feature OIL DIPSTICK CARBURETOR SPARK PLUG MUFFLER STARTER GRIP AIR CLEANER FUEL TANK FUEL TANK...
  • Page 9 PARTS DESCRIPTION 2. Model No. FINISHED PRODUCT NO. SER. NO. MODEL NO.
  • Page 10: Pre-Operate Inspection

    Check the engine with it stopped on a level ground. Engine oil capacity: 125-S/145-S/170-S 0.3L~0.5L Engine oil recommended: SAE15W-40 As viscosity varies with regions and temperatures, SJ class oil is recommended.
  • Page 11: Oil Dipstick

    PRE-OPERATE INSPECTION Engine oil change: Used engine oil may cause skin cancer if repeatedly left in contact with the skin for prolonged periods. It is still advisable to thoroughly wash your hands with soap and water as soon as possible after handling used oil.
  • Page 12 PRE-OPERATE INSPECTION 2. Air Cleaner Never run the engine without an A I R F I LT E R COVER air cleaner, or severe wear of the engine may be resulted in. AIR CLEANER ELEMENT 1 AIR CLEANER ELEMENT 2 1) Remove the air cleaner housing.
  • Page 13 PRE-OPERATE INSPECTION 1. Gasoline is extremely flammable and is explosive under certain conditions. 2. Refueling in a well-ventilation area with the engine stopped. Do stored or where the fuel tank is refueled. neck). After refueling, make sure the fuel tank cap is set back securely.
  • Page 15: Starting The Engine

    STARTING THE ENGINE IV . STARTING THE ENGINE 1. Starting method: Starting primer bulb operation is important operation of the starting engine. For cold starting, slightly press the primer bulb one to three times in succession and quickly pull the recoil cable grip. For hot starting, directly pull the starter cable grip.
  • Page 16: Stopping The Engine

    STOPPING THE ENGINE V . STOPPING THE ENGINE If the engine is controlled by brake lever, only turn the brake lever to “CLOSE” position for stopping engine CLOSE BRAKE LEVER OPEN Sudden stopping at high speed under heavy load is forbidden, otherwise damage will result.
  • Page 19 Frequency First Thereafter, Every 6 Every year Every month or every 3 months months or 50 or 100 hrs time 10 hrs of or 30hrs of hrs of Items operation operation operation operation Check- √ Refill Engine oil Change √ √...
  • Page 21 MAINTENANCE detergents, or explosion may happen. compressed air or lightly tap off dust and never dry to brush . (1) Gasoline is extremely flammable and explosive in certain (2) After reinstalling the deposit cup, don’t start the engine until the area around is dry.
  • Page 28: Specifications

    SPECIFICATIONS X. SPECIFICATIONS Model 125-S 145-S 170-S items L×W×H(not including crank- 325×305×250 325×305×250 325×305×250 shaft output terminal)(mm) Dry Weight(kg) Engine Type single cylinder horizontal,4-stroke, (OHV) Displacement(ml) 127.1 144.3 170.1 Bore × Stroke(mm) 61×43.5 65×43.5 70×44.2 Theoretical Maximum Power 2.0kw/3600r/min 2.5kw/3600r/min 2.8kw/3600r/min...
  • Page 30 :    Accessories list:...
  • Page 31: Safety Precautions

    SAFETY PRECAUTIONS 1. Engine alone or assembled on the ultimate machine, when it tilts towards the air filter, the angle should not beyond 26º, or oil would enter the air filter, which affects operation (engine tilts towards muffler, the angle should be within 90°;...
  • Page 32 93004-Z2P0211...

This manual is also suitable for:

145-s 4170-s

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