Target Audience:
Owners of 1975-1976 Harley-Davidson SS-175 and SS-250 motorcycles, DIY mechanics, restoration enthusiasts, and aspiring technicians.
Authenticity:
Genuine factory service manuals, not third-party publications, ensuring accuracy and completeness.
Comprehensiveness:
Covers all aspects of maintenance, repair, troubleshooting, and technical specifications.
Instructional Quality:
Step-by-step instructions, detailed illustrations, diagrams, and photos for clear guidance.
Cost Savings:
Empowers owners to perform their own servicing, saving significant labor costs (estimated $50-$60 per hour).
Primary Coverage:
Complete factory service and repair procedures for Harley-Davidson SS-175 and SS-250 models.
Specific Sections Listed:
General Information, Maintenance, Chassis, Fuel System, Cooling System, Engine, Clutch, Engine Lubrication System, Engine Removal/Installation, Drive, Transmission, Wheels/Tires, Final Drive, Brakes, Suspension, Steering, Frame, Electrical System, Wiring Diagrams.
Estimated Page Count:
Hundreds (exact number not specified, but described as 'hundreds of pages')
Type:
Official Factory Service Repair Manual
Engine:
Diagnosis, repair, troubleshooting, tuning, and rebuild procedures for the internal combustion engine.
Fuel System:
Carburetor adjustment, fuel line maintenance, fuel tank service, and fuel delivery system diagnostics.
Lubrication System:
Oil pump service, oil filter replacement, oil change procedures, and lubrication component checks.
Transmission And Drivetrain:
Gearbox overhaul, clutch service, drive chain adjustment, final drive maintenance, and transmission fluid specifications.
Electrical System:
Ignition system troubleshooting, lighting circuits, charging system (generator/alternator), battery maintenance, and complete wiring diagrams.
Brakes:
Brake system inspection, adjustment, hydraulic component service (if applicable), and brake shoe/pad replacement.
Suspension And Steering:
Front fork service, rear shock absorber maintenance, steering head bearing adjustment, and linkage lubrication.
Chassis And Frame:
Frame inspection, component mounting, and chassis part identification.
Wheels And Tires:
Tire inspection and replacement, wheel balancing, spoke tensioning (if applicable), and bearing service.
Maintenance:
Scheduled maintenance, routine checks, fluid changes, and component lubrication.
Troubleshooting:
Diagnosis of common faults, fault symptom analysis, and step-by-step troubleshooting guides.
Repair:
Detailed, step-by-step instructions for disassembling, repairing, and reassembling all major vehicle components.
Rebuilding And Restoration:
Comprehensive guidance for engine rebuilds, transmission overhauls, and complete vehicle restoration.
Technical Tips:
Insider knowledge and 'secret techniques' used by factory technicians for efficient and accurate repairs.
Depth:
Complete factory-level detail, suitable for professional technicians and experienced DIY enthusiasts. Covers everything from basic maintenance to in-depth engine and transmission rebuilds.
Compatibility:
Compatible with all PC-based Windows operating systems and Mac.
Printability:
Printable without restriction; individual pages, chapters, or the entire manual can be printed.
Resolution:
High resolution, ensuring clarity of text, diagrams, and illustrations.
Binding:
N/A (Digital Download - Printable)
Paper Type:
N/A (Digital Download - Printable)
Reader Software:
Adobe PDF Reader
Delivery:
Instant download link provided on the checkout page after payment completion.
Engine Type:
Two-stroke, air-cooled twin-cylinder engine (specific displacement varies by model: SS-175 and SS-250).
Bore X Stroke Ss175:
Refer to manual for exact specifications (likely around 34mm x 30.5mm for 175cc class).
Bore X Stroke:
Refer to manual for exact specifications (likely around 42mm x 45mm for 250cc class).
Horsepower Ss175:
Refer to manual for exact specifications (estimated 17-20 HP).
Horsepower Ss250:
Refer to manual for exact specifications (estimated 22-25 HP).
Torque Ss175:
Refer to manual for exact specifications.
Torque Ss250:
Refer to manual for exact specifications.
Carburetion:
Single or dual Mikuni or equivalent carburetors (specific model varies).
Fuel Type:
Unleaded gasoline, mix ratio for pre-mix lubrication (if applicable) to be specified in manual.
Transmission Type:
Manual transmission (number of gears typically 5 or 6 for this era).
Optional Transmission:
Not specified, assumed standard manual.
Clutch Type:
Wet multi-plate clutch.
Gear Ratios:
Detailed gear ratios for all gears are provided within the manual.
Transmission Fluid:
Specific fluid type and capacity are detailed in the maintenance section of the manual.
Wheelbase:
Refer to manual for specific dimensions.
Overall Length:
Refer to manual for specific dimensions.
Dry Weight Ss175:
Refer to manual for specific weight.
Dry Weight Ss250:
Refer to manual for specific weight.
Gross Vehicle Weight Rating:
Refer to manual for specific GVWR.
Safety Standards:
Adherence to safety standards of the era; manual provides information on safe operation and maintenance.
Braking System:
Drum brakes front and rear typical for this era, detailed service procedures provided.
Lighting System:
Headlight, taillight, brake light, turn signals (if equipped), and indicator lamps, all covered in the electrical section.
Oil Change Interval:
Refer to manual for specific intervals, typically every 1,000-2,000 miles or annually.
Spark Plug Replacement:
Refer to manual for specific intervals, typically every 3,000-5,000 miles.
Chain Lubrication Adjustment:
Recommended every 500-1000 miles, or as needed based on conditions.
Engine Oil Type:
Refer to manual for specific grade and type of two-stroke oil or transmission oil depending on lubrication system.
Transmission Fluid Type:
Specific gear oil grade (e.g., SAE 80W-90) will be detailed in the manual.
Brake Fluid Type:
Refer to manual, likely DOT 3 or DOT 4 for hydraulic systems if equipped (drum brakes usually do not have fluid).
Carburetor Tuning:
Two-stroke carburetors can be sensitive to altitude and atmospheric conditions, requiring periodic adjustment for optimal performance and fuel economy. Manual provides detailed tuning procedures.
Ignition Timing:
Correct ignition timing is crucial for two-stroke engines; the manual details how to check and adjust timing.
Engine Seals And Gaskets:
Age-related degradation of seals and gaskets can lead to air leaks, impacting performance. Manual covers replacement procedures.
Harley Davidson Legacy:
Harley-Davidson, a storied American motorcycle manufacturer with a rich history dating back to 1903, known for its V-twin engines and distinctive styling.
Ss Series Context:
The SS series represented Harley-Davidson's entry into the lightweight to mid-weight performance motorcycle segment, often featuring Italian-designed two-stroke engines sourced through collaborations (e.g., Aermacchi).
Manufacturing Origin:
Likely manufactured in conjunction with Aermacchi in Italy, a common practice for Harley-Davidson's smaller displacement models during this period.
Historic Awards:
Specific awards for the SS-175/SS-250 models from the 1970s are not widely documented, but Harley-Davidson as a brand has received numerous accolades over its history for quality and innovation.
Consumer Ratings:
Consumer and professional reviews from the period would be historic; the manual is designed to help maintain and repair these classic machines to their original performance standards.
Factory Certification:
This manual represents the official factory certification of service and repair procedures for these models.
