JAWA 50 21 User Manual (English)

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JAWA 50 21 Specifications

General

Brand	JAWA
Model	50 21
Category	Scooter
Language	English

Summary

Maintenance Table

Lubrication Chart

Undercarriage

Removing the Front Wheel

Step-by-step procedure for removing the front wheel.

Removing the Rear Wheel

Procedure for dismantling and removing the rear wheel.

Change of Bearing in the Wheels

Dismantling the Rear Chain Wheel and Change of Bearings

Disassembly and Assembly of the Cowls

Front Cowl

Procedure for dismantling and assembling the front cowl.

Protective Front Shield

Steps for dismantling the protective front shield.

Rear Cowl

Procedure for dismantling and assembling the rear cowl.

Dismantling the Fork from the Frame

Dismantling the Sliders from the Front Fork Shoulders

Dismantling the Rear Telescopic Shock Absorbers

Dismantling the Rear Swinging Fork

Carburetter

Disassembly and Assembly the Carburetter 2917 PSb

Detailed steps for dismantling and reassembling the 2917 PSb carburetor.

Cleaning and Maintenance of Carburetter

Procedure for cleaning and maintaining the carburetor.

Engine

A. Disassembly and Assembly Without Removing the Engine from the Frame

25. Dismantling the Head and Cylinder

26. Change of Piston Rings

Disassembly and Assembly of Piston

Dismantling the Cylinder and the Head

Disassembly and Assembly of Starting and Shifting Levers

Dismantling the R. H. Cover

Disassembly and Assembly of Secondary Chain Wheel

Advanced Ignition Adjustment

Magneto Disassembly and Assembly

Dismantling the Primary Transmission and the Clutch

Change of Sealing Rings (Gufero)

Dismantling the Exhaust Silencer and Carbon Deposit Removal

Disassembly and Assembly as to Remove the Engine from the Frame

37. Dismantling the Engine from the Frame

38. Dismantling the Engine Box

Dismantling the Gear Box

Dismantling the Crank Mechanism from the Box

Repair (Disassembly) and Centring the Crank Mechanism

Pressing Out the Bearings from the Engine Box

Assembly of Engine (Working Procedure)

Assembly of Bearings and Lock Rings

Assembly of the Crank Mechanism

Assembly of the Gear Box

Assembly of the Box Halves

Assembly of Other Parts of Engine

Electrical Equipment

Electric Energy Source and Electrical Equipment Connection

Ferrite Magdynamo

Ignition

Electric Wiring Diagram

Failures and Their Clearing

Small Engine Output

Seizing and Whistling in the Engine

The Engine Knocks

Carburetter Failures

Gear Shift Failures

Defects of Clutch and Its Adjustment

The Defect of the Undercarriage

Ignition Defects

Engine Does Not Work Regularly - It Fails Sometimes

Defects of Lighting

Defects of the Sound Signalling

Service Tools for Jawa 50/23, Jawa 50/20 and Jawa 50/21 Motorcycles

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