The XS1100H and XS1100SH represent an entry into the large-displacement touring motorcycle segment during their production years from 1978 to 1981. These models are characterized by their air-cooled, DOHC inline-four engines, displacing 1,098 cc, and featuring a reliable shaft drive. Upon their release, they were noted for their substantial torque, smooth power delivery, and comfortable touring capabilities, positioning them as strong competitors against other major Japanese manufacturers. Key features include electronic ignition and a 5-speed transmission, contributing to their performance and user experience.
This manual serves as a comprehensive guide for owners and technicians, covering essential operation, maintenance, and basic adjustments for the XS1100H/SH. Within its pages, you will find detailed information on engine operation, including oil checks and spark plug maintenance, as well as guidance on the transmission, brakes, electrical systems, chassis, and fuel system. The manual also outlines pre-ride checks, starting procedures, refueling, parking, and routine maintenance tasks such as lubrication and filter replacement. It is designed to assist in keeping the motorcycle in optimal condition and to help troubleshoot common issues, providing owner-level maintenance insights without delving into complex internal repairs.
Model:
XS1100H / XS1100SH
Model Code:
XS1100H, XS1100SH
Generation Identifier:
First Generation (1978-1981)
Category:
Japanese large-displacement touring motorcycle.
Competitors:
Honda CB750F/CB900F, Kawasaki KZ1000, Suzuki GS1000/GS1100.
Engine Type:
Air-cooled, 4-stroke, DOHC inline-four.
Historical Significance:
Yamaha's entry into the powerful inline-four touring segment, emphasizing torque and smooth power delivery.
Primary Coverage:
Owner's Manual
Secondary Coverage:
Operation, Maintenance, and Basic Adjustments
Estimated Page Count:
Varies by specific edition, typically 50-100 pages
Engine:
Engine operation, oil level check, spark plug maintenance, basic troubleshooting.
Transmission:
Gear shifting operation, clutch lever adjustment.
Brakes:
Brake lever and pedal operation, brake fluid level checks, pad wear checks.
Electrical:
Instrument panel functions, ignition switch operation, bulb replacement.
Chassis:
Suspension adjustment (shock absorbers), steering lock, side stand operation.
Fuel System:
Refueling procedures, fuel tank cap operation.
Controls:
Identification and operation of all motorcycle controls (levers, pedals, switches).
Accessories:
Information on permitted accessories and carrying maximum load.
Operation:
Pre-ride checks, starting the engine, moving off, braking, stopping, refueling, parking.
Maintenance:
Routine checks, basic adjustments (throttle cable), battery charging, chain lubrication and tension checking, air filter replacement, spark plug cleaning/replacement.
Storage:
Recommendations for storing the motorcycle.
Depth:
Owner-level maintenance and operation. Not a full factory service manual for complex internal engine or transmission repairs.
Quality:
Printable pages, intended for workshop use.
Binding:
Not Applicable (Digital PDF)
Paper:
Not Applicable (Digital PDF)
Operating Systems:
Compatible with all versions of Windows & Mac.
Software Requirement:
PDF reader required.
Engine Type:
Air-cooled, 4-stroke, DOHC, inline-four cylinder
Displacement:
1,098 cc (1097cc)
Bore X Stroke:
71.5 mm x 68.6 mm
Horsepower:
Approx. 95 hp @ 8,000 rpm (factory spec)
Torque:
Approx. 67 lb-ft @ 6,500 rpm (factory spec)
Carburetors:
Four Mikuni VM34SS constant velocity carburetors
Fuel Type:
Unleaded gasoline
Ignition System:
Electronic ignition (CDI)
Oil Type:
Yamaha Motorcycle Oil SAE 20W-40, SE or SF grade (or equivalent)
Oil Capacity:
Approx. 4.0 liters (4.2 US qt) with filter change
Transmission Type:
Constant mesh, 5-speed
Overall Length:
Approx. 2,225 mm (87.6 in)
Overall Width:
Approx. 790 mm (31.1 in)
Overall Height:
Approx. 1,265 mm (49.8 in)
Dry Weight:
Approx. 245 kg (540 lbs)
Wet Weight:
Approx. 258 kg (569 lbs)
Fuel Capacity:
23 liters (6.1 US gal)
Wheelbase:
Approx. 1,505 mm (59.3 in)
Safety Compliance:
Adherence to general motorcycle safety standards of the era.
Braking System:
Dual front disc brakes, single rear disc brake (XS1100H), or dual rear drum brake (XS1100SH in some markets/early models). Note: Manual will detail specific market configuration.
Lighting:
Headlight, taillight, turn signals, brake light.
Instrumentation:
Analog speedometer, tachometer, fuel gauge, voltmeter, oil pressure warning light, turn signal indicators.
Features:
None (basic rider aids of the era).
Oil Change:
Recommended every 3,000 km (1,800 miles) or 6 months.
Spark Plug Check:
Recommended at 3,000 km (1,800 miles) or 6 months, replace as needed.
Air Filter Cleaning:
Inspect and clean every 3,000 km (1,800 miles).
Chain Lubrication:
Every 1,000 km (600 miles) or after riding in rain/wet conditions.
Brake Fluid:
DOT 3 or DOT 4 brake fluid (refer to specific manual for precise recommendation).
Common Problems:
Carburetor synchronization issues, potential for starter clutch wear, electrical connector corrosion over time.
Maintenance Tips:
Regular cleaning of electrical connections and diligent lubrication of moving parts are crucial for longevity.
Manufacturer:
Yamaha Motor Corporation.
Key Variants:
XS1100H (Standard), XS1100SH (Special/Custom with different styling and seating).
Production Period:
1978 - 1981 (approximate, followed by XS1100LG, etc.)
Industry Acclaim:
Recognized for its powerful engine and comfortable touring capabilities upon its release.
