2001 Aprilia Rotax engine
- 120-154S
- S177
- Type 120 / 154 Leonardo
- Type 120S / 154S / 177S Scarabeo
Production year(s): 2001
Aprilia Rotax engine 120-154S, S177 workshop manual, 2001 edition
Models covered in this manual:
File specifications
File type: PDF
Language: English, Italian
Number of pages:140
Printable: Yes
Estimated download time: 0.87 Minutes
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Product Information
Table of Contents
Foreword
Important Information
- Recurrent symbols
- General precautions and safety rules
- Parts list
- Engine serial number position
- Technical data type 120 Leonardo and 120 Scarabeo
- Technical data type 154 Leonardo and 154 Scarabeo
- Technical data type 177 Scarabeo
- Engine cooling system
- Servicing and repair procedures
- Fault finding
- Service tools, equipment, sealing and lubricating agents
- Tightening torques
- Repair instructions
- Sealing and lubricating agents
- Oil circuit
- Repairs without removing engine
- Removing engine from frame
- Positioning engine on stand
Dismantling the Engine
- Starter motor—remove
- Variator box and drive cover—remove
- Clutch shoe—remove
- Remove the kick-start and decal center
- Carburetor—remove
- Air filter—remove
- Cooling fan—remove
- Starter motor and timing chain—remove
- Cylinder head—remove
- Piston—remove
- Oil filter and oil pressure switch—remove
- Ignition and electric starter gearing—remove
- Oil pump—remove
- Water pump—remove
- Crankshaft and timing chain—remove
- Oil strainer—remove
- Crankcase—remove
- Variator—remove
- Transmission—remove
- Crankshaft—remove
Servicing Procedures
- Crankcase
- Half crankcase, flywheel side (MS)—flywheel side servicing
- Half crankcase, clutch side—removal and refitting of plain bearings, ball bearings, oil seals
- Transmission cover oil seal—servicing
- Crankshaft
- Variator
- Secondary drive side—check
- Primary drive side
- Secondary drive side—check
- Oil pump and timing chain guide
- Water pump
- Cylinder and piston pin
- Piston and piston pin
- Cylinder head
- Cylinder head cover
- Valve cover
- Thermostat—check (Leonardo 120 only)
Reassembling the Engine
- Valve cover
- Ignition
- Ignition cover
- Spark plug
- Electric starter gearing
- Starter motor
- Half crankcase, flywheel side
- Half crankcase, clutch side
- Oil strainer and magnetic drain plug—refit
- Piston—refit
- Cylinder—refit
- Cylinder head and chain tension guide—refit
- Cylinder head cover—refit
- Valve clearance—adjust
- Valve cover—refit
- Magneto cover gasket and ignition cover—refit
- Carburetor—refit
- Starter motor—refit
- Fitting engine onto frame
- Engine test
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