1987-2000 Yamaha SH50 Razz Workshop Manual

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🏷️ Basic Information Identification Make: Yamaha Model: SH50 Razz Model Variant: SH50 (all variants 1987-2000) Production Years Covered: 1987-2000 Vehicle Type: 50cc two-stroke scooter 👋 Introduction Market Position Target Audience:...

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Tip: Scooter

Vânzător:

Sku: 256090

Etichete: 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 Motorcycles Razz Scooter SH50 Razz Yamaha

Variante de produse

Description

🏷️ Basic Information

Identification

Make:

Yamaha

Model:

SH50 Razz

Model Variant:

SH50 (all variants 1987-2000)

Production Years Covered:

1987-2000

Vehicle Type:

50cc two-stroke scooter

👋 Introduction

Market Position

Target Audience:

Entry-level commuters, students, and urban riders seeking a lightweight 50cc scooter

Competitive Advantage:

Simple two-stroke drivetrain, low weight, and easy home maintenance compared to four-stroke competitors

Segment:

Lightweight 50cc step-through scooter

Key Features

Engine Layout:

Air-cooled single-cylinder two-stroke with autolube oil injection

Transmission:

Continuously variable transmission (V-belt automatic)

Weight:

Approximately 55-60 kg, making it easy to handle and store

Starting System:

Electric and kick start (varies by year)

📋 Manual Details

Publication Data

Coverage Areas:

All SH50 Razz model years 1987 through 2000

Manual Type:

Professional service repair workshop manual

Language:

English

Page Count:

N/A - varies by section; comprehensive factory-level coverage

Level of Detail:

Technician-grade with step-by-step procedures

Format and Delivery

File Format:

Delivery Method:

Instant digital download

Binding:

Digital (PDF document)

Compatibility:

Printable; works on PC, tablet, and smartphone

📖 Manual Coverage

Engine and Fuel System

Engine Removal and Installation:

Complete step-by-step procedures

Cylinder, Piston, and Crankshaft Service:

Measurements, limits, and wear specifications

Two-Stroke Autolube System:

Oil pump inspection, adjustment, and bleeding

Carburetor:

Disassembly, cleaning, jetting specifications, and tuning

Air Intake and Exhaust:

Inspection and replacement procedures

Cooling System:

Air-cooled fin cleaning and inspection

Chassis and Drivetrain

CVT Transmission:

Belt, roller weight, and pulley service procedures

Final Drive / Reduction Gear:

Gear oil change and inspection

Front Fork and Steering:

Teardown, bushing service, and steering head adjustment

Wheels, Tires, and Brakes:

Drum brake service and tire specifications

Frame and Body Panels:

Removal and installation of covers and bodywork

Electrical System

Ignition System:

CDI testing, spark plug specifications, and timing checks

Charging System:

Stator/coil output tests and battery service

Starting System:

Starter motor and starter circuit diagnosis

Wiring Diagrams:

Complete schematics for troubleshooting

Lights and Switches:

Bulb specifications and switch continuity testing

Reference Data

Torque Specifications:

Factory torque values for all fasteners

Maintenance Schedules:

Service intervals and lubrication points

Troubleshooting Charts:

Symptom-based diagnosis for engine, chassis, and electrical faults

Special Tools:

Required and recommended tools listed per procedure

📊 Manual Specifications

File & Compatibility

File Format:

PDF (searchable, bookmarked, zoomable)

Compatibility:

Windows, macOS, Linux, iOS, and Android — any device with a PDF reader

Requirements:

A PDF reader application (e.g. Adobe Acrobat Reader, free)

Searchability:

Fully text searchable for fast lookup of any topic

Print & Binding

Print Quality:

High-resolution digital pages, printable at full clarity

Binding Type:

N/A — digital download, no physical binding

Paper Type:

N/A — digital download, no physical paper

⚙️ Engine Specifications

Engine

Primary Engine:

Single-cylinder air-cooled two-stroke

Displacement:

49cc class

Bore x Stroke:

40.0 mm x 39.2 mm

Compression Ratio:

Approximately 7.0:1

Lubrication:

Yamaha autolube oil injection system

Starting:

Electric and kick start

Performance and Fuel

Carburetor:

Slide-type carburetor

Fuel Type:

Regular unleaded gasoline with two-stroke oil via autolube

Fuel Tank Capacity:

Approximately 5 liters

Rated Output:

N/A - see factory service data in the manual for exact figures

🔧 Transmission

Transmission

Standard Transmission:

Continuously variable transmission (V-belt automatic)

Optional Transmission:

N/A - no alternative transmission offered on this model

Primary Reduction:

Gear-driven primary reduction

Final Drive:

Gear final drive in sealed transmission case

Service Features:

CVT belt, roller weights, and drive pulley serviceable with hand tools

Transmission Oil Capacity:

Approximately 0.1 liters of gear oil (change annually)

📐 Dimensions

Exterior

Wheelbase:

Approximately 1,140 mm

Overall Length:

Approximately 1,660 mm

Overall Width:

Approximately 610 mm

Seat Height:

Approximately 700 mm, low step-through design

Ground Clearance:

Approximately 105 mm

Weights

Curb Weight:

Approximately 55-60 kg

Maximum Load:

See factory data in manual; single rider with light cargo

🛡️ Safety Features

Ratings

Crash Test Ratings:

N/A - 50cc scooters of this era were not crash tested by NCAP or IIHS

Features

Brakes:

Drum brakes front and rear (specification varies by year)

Lighting:

Headlight, taillight, and turn signals

Mirrors:

Left and right rearview mirrors

Passive Features:

Step-through frame and low seat height for rider control

Ignition:

Keyed ignition switch

💡 Technology Features

Infotainment

Audio System:

N/A - not equipped on this model

Instrumentation:

Speedometer, fuel gauge (varies by year), and indicator lamps

Driver Assistance

Advanced Driver Assistance:

N/A - none; 1987-2000 50cc scooter era predates ADAS

Electrical Convenience:

Electric start on applicable model years

Storage:

Underseat storage compartment and glovebox (varies by year)

🔧 Maintenance

Service Intervals

Engine Oil (Autolube Tank):

Check frequently; refill with Yamalube 2-stroke injection oil

Transmission Gear Oil:

Change annually or every 3,000 km

Spark Plug:

Inspect every 1,500 km; replace every 3,000 km

Air Filter:

Clean every 1,500 km, more often in dusty conditions

CVT Belt:

Inspect regularly; replace when worn or cracked

Brake Adjustment:

Check free play at every service

Fluids and Wear Items

Fuel System:

Carburetor cleaning recommended after extended storage

Common Wear Items:

CVT roller weights, drive belt, brake shoes, and spark plug

Known Issues:

Two-stroke carbon buildup in exhaust and clogged carburetor jets after storage

Chassis Lubrication:

Grease steering head bearings and cables per schedule

📚 Vehicle History

Heritage and Evolution

Manufacturer:

Yamaha Motor Company, a leading Japanese powersports manufacturer founded in 1955

Model Evolution:

Razz introduced in 1987 as Yamaha's compact 50cc scooter; sold through 2000 with incremental updates rather than a redesign

Production Location:

Japan (Yamaha Motor facilities)

Market:

Sold primarily in North America as the Razz; SH50 designation used in other markets

🏆 Awards & Recognition

Recognition

Awards:

N/A - no formal awards documented for this model

Recognition:

Long production run (1987-2000) reflects strong market acceptance

Reputation:

Known as a reliable, easy-to-maintain commuter scooter with a large used market and strong parts support

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1987-2000 Yamaha SH50 Razz Workshop Manual