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Aprilia ROTAX Engine Type 120 - 154 -177 Service Manual

The service manual has been prepared as an aid to improve the quality of repairs by giving the serviceman an accurate understanding of the product and showing him the correct way to perform repairs and make judgements.

Make sure you understand the contents of this manual and use it to full dffect at every opportunity.
This service manual mainly contents the necessary technical information for operation performed in a service workshop.

This Service and Repair Manual Covers the following Models:
- Aprilia ROTAX Engine Type 120 - 154 Leonardo and Aprilia ROTAX Engine Type 120S - 154S - 177S Scarabeo Workshop Service Manual

This service manual contains:

- Important Information
- Dismantling the engine
- Servicing procedures
- Crankcase
- Half crankcase, flywheel side (MS) - flywheel side servicing
- Half crankcase, clutch side - removal and refitting of plain bearings, ball bearings, oil seal, etc
- Transmission cover - servicing
- Crankshaft
- Transmission
- Variator , primary drive side - check
- Secondary drive
- Timing gear
- Chain guide and chain tension guide
- Oil pump and water pump gearing
- Oil pressure retaining valve
- Cylinder
- Piston and piston pin
- Piston rings
- Cylinder head
- Valves
- Valve seats
- Rocker arms
- Thermostat - check (Leonardo 120 only)
- Valve cover
- Ignition
- Ignition cover
- Spark plug
- Electric starter gearing
- Idle gear
- Starter motor
- Reassembling the engine
- Half crankcase, flywheel side
- Half crankcase, clutch side
- Oil strainer and magnetic drain plug Piston - refit
- Cylinder - refit
- Chain guide and chain tension guide
- Cylinder head - refit
- Chain tensioner - refit
- Valve clearance - adjust
- Oil filter - refit
- Flywheel side components - refit
- Water pump, idle gear and ignition cover - refit
- Carburetor hose - Starter motor - install
- Variator cover - refit
- Refitting engine onto frame
- Filling
- Engine test
and more...

This service manual is specifically written for the do-it-yourselfer as well as the experienced mechanic. Using this repair manual is an inexpensive way to keep your vehicle working properly. Each manual provides step-by-step instructions based on the complete disassembly of the machine. It is this level of detail, along with hundreds of photos and illustrations, that guide the reader through each service and repair procedure. Simply print out the pages you need or print the entire manual as a whole!!!

Detailed substeps expand on repair procedure information.
Notes, cautions and warnings throughout each chapter pinpoint critical information.
Numbered instructions guide you through every repair procedure step by step.
Bold figure number help you quickly match illustrations with instructions.
Detailed illustrations, drawings and photos guide you through every procedure.
Enlarged inset helps you identify and examine parts in detail.
Numbered table of contents is easy to use so that you can find the information you need fast.

The Aprilia ROTAX Engine Type 120 - 154 Leonardo and Aprilia ROTAX Engine Type 120S - 154S - 177S Scarabeo, manual also makes it easy to diagnose and repair problems with your machines electrical system! Troubleshooting and electrical service procedures are combined with detailed wiring diagrams for ease of use.

After your payment, you will have instant access to your download! No shipping fee, no waiting on postal delivery, you can start doing your repairs right away!


Manufacturer: Aprilia
Model: ROTAX Engine Type 120 - 154 Leonardo and Aprilia ROTAX Engine Type 120S - 154S - 177S Scarabeo
Language: English, Italian and German
Format: Adobe Acrobat Document (.pdf)
Compatible: All Versions of Windows & Mac

File Data

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File Size 43 megabytes
File Type PDF
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