1990 BETA ALPINA 240 Parts List ITALIAN

🏷️ Basic Information

Make:

Beta

Model:

Alpina 240

Model Variant:

Trials / off-road motorcycle, 2-stroke

Production Years Covered:

1990 model year

Document Type:

Parts List Manual

Language:

Italian

👋 Introduction

Target Audience:

Owners of the Beta Alpina 240, independent workshops, and parts suppliers specializing in off-road and trial motorcycles.

Specialty Segment:

Niche market for vintage trials motorcycle enthusiasts and restorers.

Value Proposition:

Enables owners to accurately identify and source original or equivalent replacement parts, reducing reliance on dealerships and potentially saving significant costs on repairs and maintenance.

Availability Of Information:

Obtaining original parts manuals for specialized European off-road bikes from this era can be challenging, making this product valuable.

Diagnostic Aid:

Although a parts list, understanding component relationships from diagrams can assist in initial diagnosis of issues.

Restoration Guide:

Invaluable for owners undertaking restoration projects, ensuring all correct components are accounted for and sourced.

📋 Manual Details

Overall Coverage:

Comprehensive parts listing for the entire Beta Alpina 240 motorcycle, from front to back.

Specific Systems Coverage:

Engine, Transmission, Chassis, Suspension (Front & Rear), Brakes, Wheels, Electrical System, Fuel System, Exhaust System, Controls, Bodywork & Plastics.

Estimated Pages:

N/A - variable for parts lists of this era, typically 100-250 pages depending on complexity.

Type:

Parts Catalog / Parts List

File Format:

PDF

Delivery Method:

Instant digital download

Binding:

Digital

📖 Manual Coverage

Engine Assembly:

Detailed breakdown of engine components including cylinder, piston, crankshaft, valves, camshafts, gaskets, and internal lubrication components.

Transmission Components:

Lists all gears, shafts, bearings, clutch components, and shift mechanism parts.

Suspension And Steering:

Includes diagrams and part numbers for front forks (internals, seals, springs), rear shock absorber, swingarm bearings, and steering head bearings.

Braking System:

Covers brake calipers, master cylinders, brake lines, pads, discs, and associated hardware.

Electrical Components:

Part numbers for wiring harness, ignition coils, stator, rectifier, lights, and switches.

Fuel Tank And Petcock:

Lists components for the fuel delivery system, including the fuel tank, petcock assembly, and fuel lines.

Exhaust System:

Details for the exhaust header pipe, silencer, and mounting hardware.

Control Mechanisms:

Throttle cables, clutch cables, brake levers, shift levers, kickstarter mechanism, and associated linkages.

Bodywork And Plastics:

Covers fenders, side panels, seat assembly, fuel tank shrouds, and graphics/decals.

Wheel And Tire Components:

Lists spokes, nipples, rims, hubs, bearings, and tire mounting hardware.

Chassis Fasteners:

Includes listing of bolts, nuts, washers, and specialized fasteners used throughout the motorcycle.

Part Identification:

Visual diagrams (schematics) with exploded views clearly identifying each part and its corresponding part number.

Part Number Lookup:

The primary procedure is the accurate lookup of part numbers for ordering and replacement.

Part Ordering:

Crucial for ordering correct replacement parts, ensuring compatibility and fitment.

Basic Assembly Reference:

Provides a fundamental understanding of how components are assembled, aiding in DIY repairs and maintenance.

Part Interchangeability Reference:

Parts lists can sometimes hint at interchangeable parts across slightly different models or revisions, requiring careful cross-referencing.

Depth:

Highly detailed for parts identification and sourcing. Does not typically include repair instructions or diagnostic procedures, but is essential for any repair involving part replacement.

Schematic Detail:

Typically provides clear, often hand-drawn or digitized line art schematics for each major sub-assembly and component group.

Compatibility Check:

Essential for ensuring that parts from different years or variants (if any) are compatible, using the part numbers as a reference.

Part Numbers:

Factory Beta part numbers listed for each component in exploded view diagrams.

Oversize Components:

Lists oversize piston and ring part numbers where applicable for engine service.

Hardware Reference:

Includes specialized fasteners and hardware specific to the Alpina 240.

📊 Manual Specifications

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 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 Type:

Two-stroke, single-cylinder, typical for Beta trial bikes of this era.

Displacement:

Approximately 240cc, as implied by the Alpina 240 model designation.

Bore X Stroke Estimate:

Likely around 72mm x 60mm or similar, resulting in approximately 240cc displacement.

Horsepower Estimate:

Estimated 25-35 HP range, common for 240cc competition trial engines of the period.

Torque Estimate:

Estimated 20-28 Nm, typical for a competition 2-stroke engine.

Carburetor Type:

Likely a Dell'Orto or Mikuni carburetor; specific model number would be in the manual.

🔧 Transmission

Gearbox:

Likely a 6-speed constant-mesh gearbox.

Clutch Type:

Wet, multi-plate clutch.

Clutch Actuation:

Cable-actuated.

Optional Gearbox:

N/A - no optional transmission documented for this model.

📐 Dimensions

Frame Type:

Typically a chrome-moly steel, single-cradle frame for trial bikes.

Wheelbase Estimate:

Around 1350-1380 mm (53-54 inches).

Seat Height Estimate:

Around 650-680 mm (25.5-26.5 inches) for trials configuration.

Dry Weight Estimate:

Around 100-110 kg (220-240 lbs) depending on specific configuration.

🛡️ Safety Features

Crash Test Information:

N/A - not applicable for off-road competition motorcycles of this era.

Front Brake:

Disc brake.

Rear Brake:

Disc brake.

Frame Integrity:

The manual lists all frame components, critical for maintaining structural integrity.

💡 Technology Features

Audio System:

N/A - not applicable for this type of off-road motorcycle.

Driver Assistance Features:

N/A - not applicable. Focus is on mechanical components.

🔧 Maintenance

General Maintenance Focus:

While the manual is a parts list, understanding component wear based on part identification is key to preventative maintenance.

Engine Top End Overhaul:

Depending on usage, piston/ring replacement might be recommended every 50-100 hours of hard use. The manual lists the specific piston and ring part numbers for various oversizes.

Engine Oil Type:

Recommended 2-stroke pre-mix oil ratio and type (e.g., semi-synthetic or fully synthetic for competition).

Transmission Oil:

Type and viscosity of transmission oil (e.g., SAE 75W/80 or 75W/90 GL-4).

Common Wear Items:

Clutch plates, piston rings, air filter, spark plug, brake pads, fork seals, and wheel bearings. The manual details the specific part numbers for these.

Suspension Leaks:

Fork seals and rear shock seals are common wear items. The manual provides the specific seal part numbers for replacement.

📚 Vehicle History

Manufacturer:

Beta Motor S.r.l.

Beta Motor History:

Italian motorcycle manufacturer founded in 1905, known for its off-road motorcycles, particularly in trials and enduro disciplines. By 1990, Beta was well-established in the European trials market.

Alpina Series:

The Alpina series represented Beta's trail and off-road offerings. The 240 model was a competitive entry in the 2-stroke trials category of its time.

Manufacturing Location:

Italy.

🏆 Awards & Recognition

Model Recognitions:

N/A - no formal awards documented for this model, though the Beta Alpina series was a respected competitor in the European trials market of its era.

Competitive Standing:

By 1990 Beta was well-established in the European trials and enduro market, with the Alpina series recognized among enthusiasts for trail and off-road use.