This manual covers the SX 175 and SX 250 motorcycles produced between 1974 and 1976. These models represent an entry into the dual-sport and motocross market during the 1970s, often incorporating technology from Italian manufacturer Aermacchi. The SX series was designed for versatility, suitable for both on-road and off-road use, offering a robust platform for riders seeking adventure and performance.
This comprehensive workshop service repair manual provides all necessary information for maintaining and repairing your SX 175 or SX 250. It includes detailed procedures for general information, maintenance, chassis, fuel system, cooling system, engine, clutch, lubrication, drive, transmission, wheels, brakes, suspension, steering, frame, and the electrical system, including wiring diagrams. With step-by-step instructions, troubleshooting guides, and hundreds of photos and illustrations, this manual is an invaluable resource for both do-it-yourself enthusiasts and professional mechanics.
Years Covered:
1974, 1975, 1976
Product Name:
Harley Davidson SX 175 SX 250 1974-1976 Service Manual PDF Download
Positioning:
Essential resource for maintaining and repairing Harley-Davidson SX 175 and SX 250 motorcycles
Value Proposition:
Inexpensive way to keep your vehicle working properly, saves money compared to professional labor
Accessibility:
Instant download, no shipping delays, printable for convenience
Completeness:
Complete official factory service repair manual covering all aspects of maintenance and repair
Primary Coverage:
Complete official full factory service repair manual
Styles Covered:
All styles
Estimated Page Count:
Hundreds (specific number not provided, but implies comprehensive)
Type:
Workshop Service Repair Manual
Intended Audience:
Do-it-yourselfer and experienced mechanic
Delivery Method:
Instant PDF download
Printability:
Printable without restriction
Compatibility:
All PC based Windows operating systems and Mac
General Information:
Included
Engine Lubrication System:
Included
Engine Removal Installation:
Included
Electrical System:
Included
Clutch System:
Detailed diagnostics and repair procedures for the clutch assembly.
Final Drive System:
Information on chain maintenance, adjustment, and replacement.
Steering System Components:
Coverage of steering head bearing maintenance and adjustment.
Wheel And Tire Service:
Procedures for wheel removal, balancing, tire mounting and dismounting, and spoke tightening.
Frame And Suspension Alignment:
Guidance on checking and adjusting suspension components and frame geometry.
Repair Procedures:
Step-by-step instructions based on complete disassembly
Troubleshooting:
Combined with electrical service procedures
Diagnostic Procedures:
Included
Depth Of Detail:
High level of detail with hundreds of photos and illustrations
Instruction Format:
Numbered instructions, detailed substeps, notes, cautions, and warnings
Illustration Support:
Hundreds of photos and illustrations, enlarged inset details, bold figure numbers
Requirements:
Adobe PDF Reader
Print Quality Description:
Professional quality, in-depth
Binding Type:
N/A (Digital PDF download)
Paper Type:
N/A (Digital PDF download)
Engine Type:
Two-stroke (typical for SX models of this era)
Engine Sizes:
175cc and 250cc variants
Horsepower And Torque:
Detailed specifications within manual (specific figures not provided in product info)
Carburetion:
Details on carburetor adjustment, cleaning, and rebuilding
Fuel Tank:
Specifications for fuel capacity and type
Engine Lubrication System
Oil Mixture Ratio:
Likely covers proper two-stroke oil and fuel mixture ratios
Engine Removal Installation
Procedure Coverage:
Comprehensive steps for safely removing and reinstalling the engine
Transmission Type:
Likely a 5-speed manual transmission (common for this model)
Optional Transmissions:
N/A (as per typical motorcycle offerings of the era)
Gear Ratios:
Specifications for individual gear ratios and final drive ratios will be present
Clutch Operation:
Detailed information on clutch adjustment, maintenance, and repair
Overall Dimensions:
Detailed dimensions provided within the manual (specific figures not in product info)
Dry Weight:
Specifications for dry weight of both models will be included
Gross Vehicle Weight Rating:
Likely covered in maintenance or chassis sections
Crash Test Results:
N/A (Motorcycle safety ratings are typically not comparable to automotive standards)
Braking System:
Detailed coverage of front and rear brake systems (likely drum brakes)
Frame Integrity:
Information on frame inspection and maintenance for structural integrity
Infotainment System:
N/A (Basic motorcycle technology of the era)
Electronic Aids:
N/A (No electronic driver assistance features)
Connectivity Features:
N/A
Recommended Intervals:
Detailed service intervals for routine maintenance (e.g., oil changes, filter replacements, spark plugs) will be specified.
Engine Oil:
Specific grades and quantities for engine oil will be detailed.
Transmission Fluid:
Specifications for transmission lubrication, if separate from engine oil.
Brake Fluid:
Type and capacity for brake fluid will be listed.
Coolant:
If liquid-cooled, coolant type and mixture will be specified.
Common Problems:
The manual will likely address common wear items and potential issues specific to these models, such as clutch wear, electrical gremlins, and carburetor tuning.
Tune Up Components:
Covers spark plug gap and replacement, carburetor adjustment, air filter cleaning/replacement, and timing.
Harley Davidson Legacy:
Manual pertains to a period when Harley-Davidson was expanding its model range, including off-road/dual-sport offerings.
Sx Series Context:
The SX series was Harley-Davidson's foray into the growing motocross and dual-sport market of the 1970s, often utilizing Italian Aermacchi technology.
Manufacturing Origin:
Harley-Davidson SX models from this era were often manufactured in collaboration with/derived from Aermacchi motorcycles in Italy.
Model Awards:
N/A (No specific awards mentioned for the SX models in the product description, but the manual itself is presented as a professional tool).
