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Beta Motorcycles RR 125 2T MY 2018 User Manual

Beta Motorcycles RR 125 2T MY 2018
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125 2T
200 2T
WORKSHOP MANUAL
035.44.009.00.00

Table of Contents

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Beta Motorcycles RR 125 2T MY 2018 Specifications

General IconGeneral
Engine TypeSingle cylinder, 2-stroke
Displacement124.8 cc
Bore x Stroke54 mm x 54.5 mm
Compression Ratio12.5:1
StarterKick
Transmission6-speed
ClutchWet multi-disc
Final DriveChain
Front Tire90/90 - 21
Rear Tire120/90 - 18
Seat Height930 mm
Ground Clearance320 mm
Fuel Tank Capacity9.5 liters
Dry Weight94 kg
Cooling SystemLiquid-cooled
Fuel SystemCarburetor
FrameSteel
Rear SuspensionMonoshock
Front BrakeSingle disc, 260 mm
Rear BrakeSingle disc, 240 mm

Summary

INTRODUCTION

TECHNICAL FEATURES OF ENGINE

SPECIAL EQUIPMENT

ENGINE REMOVAL FROM VEHICLE

ENGINE DISASSEMBLY

CLUTCH/GEAR OIL DRAIN

Draining clutch and gear oil before disassembly.

REMOVAL OF PINION SPACER

Removing the pinion spacer and O-ring.

REMOVAL OF PISTON, CYLINDER AND HEAD

Removing piston, cylinder and head assembly.

REMOVAL OF IGNITION UNIT

Removing the flywheel, stator and pick-up unit.

REMOVAL OF ELECTRIC IGNITION - ONLY RR200

Specific steps for removing electric ignition on RR200.

INTAKE SYSTEM

Procedures for removing the intake manifold and reed valve.

CRANKSHAFT, GEARBOX UNIT AND INTERNAL GEARSHIFT

Accessing and disassembling crankshaft and gearbox.

DISASSEMBLY OF PARTS FROM CRANKCASES

Removing components attached to crankcases.

ENGINE CHECKS AND ASSEMBLY

CRANKCASE HALF

Checking and preparing crankcase halves before assembly.

APPLICATION OF RIGHT CRANKCASE HALF PARTS

Installing parts onto the right crankcase half.

SPECIAL APPLICATIONS FOR LEFT CRANKCASE HALF

Specific installation steps for the left crankcase half.

CONNECTING ROD AND ENGINE SHAFT CHECK

Inspecting the connecting rod and crankshaft for wear and alignment.

ASSEMBLY OF COMPLETE CRANKSHAFT

Installing the crankshaft into the crankcase.

GEAR UNIT: CHECKS AND REASSEMBLY

Inspecting and reassembling the gearbox unit.

CLOSING THE ENGINE CRANKCASE

Sealing the engine crankcase halves together.

EXTERNAL GEARSHIFT

Checking and reassembling the external gearshift mechanism.

KICKSTARTER DEVICE - OPTIONAL RR200

Checking and assembling the optional kickstarter.

PRIMARY GEAR AND CLUTCH UNIT

Inspecting and assembling the primary gear and clutch assembly.

COOLANT LIQUID PUMP AND CENTRIFUGAL UNIT

Procedures for water pump and centrifugal unit.

OUTER CLUTCH COVER COUPLING

Attaching the outer clutch cover.

ELECTRIC IGNITION UNIT - ONLY RR200 -

Checks for the electric ignition unit specific to RR200.

IGNITION SYSTEM

Checking the ignition system components.

POWER UNIT

Checks and assembly of the cylinder, piston, and related parts.

CHECK OF INTAKE UNIT AND ASSEMBLY

Inspecting and assembling the intake manifold and reed valve.

INSERTION OF PINION SPACER AND APPLICATION OF THE OIL EXHAUST CAP

Installing the pinion spacer and oil exhaust cap.

ENGINE REASSEMBLY IN THE VEHICLE

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