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Manuals
Brands
Yamaha Manuals
Motorcycle
1970 HS1
Service manual
Yamaha 1970 HS1 Service Manual
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Table Of Contents
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Contents
General Information
Model Description
Service Hints
Tools
Safety Hints
Theory, Troubleshooting and Tuning
Two-Stroke Engine Principles
Engine Lubrication
Engine Troubleshooting
Fuel System Troubleshooting
Carburetor
Carburetor Disassembly and Inspection
Typical Carburetor
Idle Mixture/Idle Speed Adjustment
Float Level Adjustment
Throttle Cable Free-Play
Carburetor Synchronization
Throttle Cable Replacement
Carburetor Disassembly and Assembly Notes
Mixture Control Components
Reed Valves
Starter Jet System
Removing the Reed Valve
Main Jet Sizes
Petcock Filter
Air Filter
Reed Valve Maintenance
Carburetor Mounting Flanges
Ignition System
Miscellaneous Carburetor Problems
Functionsl Operation
Spark Plug
Ignition System Malfunctions
Ignition Point Maintenance
Point Gap Adjustment
Spark Plugs and Gaps
Ignition Points Replacement
Ignition Standards
Ignition Timing
Ignition Coil
Charging System
Condenser
Hitachi 108-08 Alternator
Mitsubishi AZ2010N Alternator
Output Current
DC Generators
Troubleshooting
Yoke Inspection and Testing
Brush Inspection
Typical Generator
Armature Inspection and Testing
Voltage Regulator Inspection
Voltage Regulator Adjustment
Starter/Generator
Generatot Testing
Starter Relay
Typical Starter/Generator
Battery
Starter Troubleshooting
Resistance
Battery Service Standards
Fuse
Autolube System
Service Procedures
Minimum Pump Stroke Adjustment
Typical Autolube Pump
Pump Cable Adjustment
Bleeding the Autolube Pump
Engine, Transmission and Clutch
Preparation for Engine Disassembly
Engine Removal
Engine Installation
Cylinder Head
Removal and Installation
Cylinder Head Torques
Carbon Removal
Cylinder Removal
Cylinder Inspection
Cylinder Reconditioning
Piston Rings
Cylinder Installation
Piston Pin Removal
Piston Pin Fit
Piston Ring Replacement
Piston Clearance
Piston-To-Cylinder Clearance
Piston Ring Gap
Piston Installation
Clutch
Clutch Removal/Installation
Removal
Disassembly
DS3 and YM1 Clutch
Installation
Removal and Disassembly
YDS5, YM2, R1, R2, R3 and DS6 Series Clutch
Clutch Assembly
Clutch Inspection and Adjustment
Friction Plates
Metal Plates
Clutch Springs
Primary Driven Gear
Spacer
Clutch Adjustment
Clutch Cable Adjustment
Primary Drive Gear
Drive Sprocket and Chain
Kickstarter
Kickstarter Types
Type 1 Kickstarter
Type 2 Kickstarter
Type 3 Kickstarter
Type 4 Kickstarter
Type 5 Kickstarter
Gearshift Mechanism
Gearshift Types
Type 1 Shifter
Type 1 Gearshift Mechanism
Type 2 Shifter
Type 2 Gearnift Mechanism
Type 3 Shifter
Type 3 Gearshift Mechanism
Type 4 Shifter
Type 4 Gearshift Mechanism
Type 5 Shifter
Crankcase
Left and Right Split Type
Type 5 Gearshift Mechanism
Crankshaft
Upper and Lower Split Type
Bolt Torques
Older Type Crankshaft
Newer Type Crankshaft
Crankshaft Inspection
Crankshaft Disassembly
Crankshaft Reassembly
Crankshaft Alignment
Crankshaft Standards
Crankshaft Installation, Horizontally Split Crankcase
Crankshaft Installation, Vertically Split Crankcase
Transmission
Type 1 Transmission
Transmissions Types
Type 2 Transmission
Type 3 Transmission
Type 4 Transmission
Type 5 Transmission
Bearings and Oil Seals
Type 6 Transmission
Chassis, Suspension and Steering
Front Wheel
Front Wheel Removal
Front Tire Sizes
Front Wheel with Drum Brake
Front Wheel with Disc Brake
Front Wheel Inspection
Front Wheel Bearing Replacement
Brake Shoe Diameter
Hydraulic Brake System
Brake Disc Inspection
Caliper Disassembly and Reassembly
Brake Disc and Caliper
Master Cylinder
Master Cylinder Disassembly and Assembly
Rear Wheel
Brake System Bleeding
Rear Wheel Removal
Rear Tyre Sizes
Spokes
Rear Sprocket
Rear Wheel Inspection
Brake Shoe Wear Limits
Tires and Tubes
Front Fork
Clutch Hub
Tire Pressure
Disassembly, Except R5 Series
Typical Front Fork
R5, RD250 Series and RD350 Series Front Fork
Rear Suspension
Fork Inspection
Disassembly, R5, RD250 and RD350 Series
Fork Tube Reassembly
Steering Head
Shock Absorber Inspection
Trailing Arms
Steering Head Bearing and Race Replacement
Typical Steering Head
Periodic Service and Maintenance
Maintenance Intervals
Specifications
Models HS1 and HS1-B
Model LS-2
Models YL1 and YL1-E
Model AS2C
Model YAS1
Model YAS1-C
YCS-1 and YCS1-C
Model CS3-B and CS3-C
Cs5
DS6 and DS6-B
Ds6-C
Ds7
Models RD250 and RD250A
YDS3, YDS3-C and YM1
Yds5
Ym2
Ym2-C
R3
R3-C
R5
R5-B
R5-C
Models RD350 and RD350A
YR1, YR2 and YR2-C
Useful Formulas and Tables
Conversions
Piston Displacement
Bolt Torque
Examples of Conversions
Bolt Tightening Torques
Index
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Contents
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General Information
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Table of
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Table of Contents
Troubleshooting
Theory, Troubleshooting and Tuning
12
Engine Troubleshooting
14
DC Generators
34
Battery
40
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Summary of Contents for Yamaha 1970 HS1
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This manual is also suitable for:
1970 hs1-b
1969 as2c
1967 yas1
1968 yas1-c
1967 ycs-1
1968 ycs1-c
...
Show all
1971 cs3-b
1970 cs3-c
1972 cs5
1968 ds6
1972 ls-2
1970 ds6-b
1969 ds6-c
1972 ds7
1973 rd250
1974 rd250a
Y1965 yds3
1965 yds3-c
1967 yds5
1966 ym1
1967 ym2
1967 ym2-c
1969 r3
1969 r3-c
1970 r5
1971 r5-b
1972 r5-c
1973 rd350
1974 rd350a
1967 yr1
1968 yr2
1968 yr2-c
1966 yl1
1967 yl1-e
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