```html

Aprilia Rotax Type 122 Engine: A Comprehensive Overview

Introduction

The Aprilia Rotax Type 122 engine is a liquid-cooled, two-stroke, single-cylinder powerplant that was used in a variety of Aprilia motorcycles from the mid-1980s to the early 2000s. It is a compact and lightweight engine that produces good power and torque for its size.

Design

The Rotax Type 122 engine has a bore of 66 mm and a stroke of 57 mm, giving it a displacement of 124.8 cc. The engine uses a reed valve intake system and a rotary disc valve exhaust system. The cylinder is made of aluminum and has a Nikasil coating for improved durability.

The crankshaft is made of forged steel and runs on two main bearings. The connecting rod is made of forged aluminum and has a big-end bearing that is lubricated by a needle bearing. The piston is made of forged aluminum and has two piston rings.

The engine is lubricated by a wet sump system. The oil is stored in a reservoir in the bottom of the engine and is circulated by a gear-type oil pump. The oil is filtered by a screen filter.

The engine is cooled by a liquid cooling system. The coolant is circulated by a water pump and is cooled by a radiator.

Performance

The Rotax Type 122 engine produces a maximum power output of 30 bhp at 9,500 rpm and a maximum torque output of 22 lb-ft at 7,500 rpm. The engine has a wide powerband and is very responsive to throttle input.

The Rotax Type 122 engine is a reliable and durable powerplant that has been used in a variety of successful motorcycles. It is a good choice for riders who are looking for a compact and lightweight engine that produces good power and torque.
```

---

This is the COMPLETE Service Repair Manual for the Aprilia Rotax Type 122 Engine. It contains service, repair procedures, assembling, disassembling, wiring diagrams and everything you need to know.

The Service Manual contains detailed information, electrical and hydraulic diagrams, actual real photo illustrations and schemes, which give you complete step-by-step operations on repair, Diagnosing, servicing, technical maintenance & troubleshooting procedures for your machine. this manual offers full information you need for repair your machine. the information in this manual will enable you to find trouble and to understand how to repair and maintain your machine without going into service. YOU CAN DO THE REPAIRS YOURSELF AND SAVE MONEY $$$

Service Repair Manual Contains:
=========
Important Information
Technical Data
Removal Of The Engine
Engine Disassembly
Individual Component Maintenance
Engine Resassembly
Index

and a Lot More..

=========

** Model Specification: Aprilia Rotax Type 122 Engine
** Language: English
** Total Pages: 99
** File Format: PDF
** Requirements: Adobe PDF Reader
** Compatible: All Versions of Windows & Mac, Linux OS, Iphone, Ipad, Android etc...

===========

This QUALITY manual is 100 percents COMPLETE and INTACT, no MISSING/CORRUPT pages/sections to freak you out! It also is Bookmarked and SEARCHABLE to make what you need easy to find. Complete download comes in PDF format which can work under all PC based Windows operating system and Mac also. It saves to your hard-drive and can be burned to CD-ROM. It can be viewed on any computer, as well as zoomed and printed.

This manual is INSTANT DOWNLOAD. It means no shipping cost or waiting for a CD / paper manual to Arrive in the Mail. You Will receive this Manual today via Instant Download on Completion of Payment via our secure Payment Processor. We Accept All Major Credit/Debit Cards and Paypal. Buy From us and I Guarantee Youll be a Satisfied Customer and Contact us if You have any Questions.

Looking for some other Service Repair Manual, please check:


Thanks for Visiting!