Target Audience:
Yamaha MX100 owners, restorers, mechanics, parts suppliers, enthusiasts
Niche Market:
Caters to the vintage off-road motorcycle restoration and maintenance market.
Value Proposition:
Provides essential part identification and numbers for a classic off-road motorcycle, crucial for maintenance and restoration
Exploded Diagrams:
Prominent feature, aiding in assembly/disassembly and part visualization
Manufacturer Part Numbers:
Includes official part numbers for accurate sourcing
Digital Format:
Instant download PDF, accessible on PC & Mac, eliminating shipping delays
Ease Of Use:
Emphasized as 'Very Easy To Use!' for quick part identification and sourcing.
Applicable Years:
1975 onwards
Estimated Page Count:
Varies by specific model year/variant, comprehensive coverage indicated
Type:
Parts Catalog/Parts List Manual
Secondary Types:
Parts List, Illustrated Parts Catalog
Language:
English (implied by typical product descriptions of this nature)
Digital Delivery:
Instant Download upon payment.
Engine Components:
Cylinder, piston, crankshaft, connecting rod, bearings, seals, gaskets, lubrication system components
Transmission Components:
Gears, shafts, clutch components, shift mechanism parts
Chassis Components:
Frame, suspension parts (forks, shocks), swingarm, wheels, hubs, spokes
Braking Components:
Brake levers, cables, drums, shoes, linkage
Controls And Linkages:
Throttle controls, clutch controls, brake levers, footpegs, kick starter mechanism
Electrical Components:
Ignition system parts, lighting components, wiring harnesses (as depicted in diagrams)
Fuel System Components:
Carburetor parts, fuel tank components, fuel lines
Exhaust System Components:
Exhaust pipe, muffler, clamps
Bodywork And Trim:
Fenders, seat, fuel tank covers, side panels, graphics
Suspension Components:
Front fork internal parts, rear shock absorber components, linkage bearings.
Cooling System Components:
N/A (Air-cooled engine, no specific cooling system parts beyond potential heat sinks or shrouds).
Ignition System Components:
Spark plug, ignition coil, points (if applicable), condenser, flywheel magneto components.
Ignition Timing:
Part identification for ignition system allows for timing adjustment assistance.
Assembly Disassembly Aid:
Exploded diagrams provide visual guidance for part identification and order during assembly/disassembly
Part Identification:
Detailed listing of all individual parts with corresponding manufacturer part numbers
Part Ordering:
Enables accurate ordering of replacement parts by referencing manufacturer part numbers
Part Number Lookup:
Primary function is to provide accurate manufacturer part numbers for every component.
Depth:
Comprehensive part-level detail, suitable for restoration, repair, and parts sourcing
Diagram Enlargement:
Capability to enlarge views for detailed inspection of small parts.
Engine Type:
2-stroke, single-cylinder (Typical for MX100)
Displacement:
Approx. 98cc (Common for MX100)
Bore X Stroke:
Typically around 50mm x 49.6mm (typical for 98cc class, specific data needs original service manual)
Cooling System:
Air-cooled
Horsepower:
Approximately 10-12 HP (estimated for the era and displacement, specific figures vary)
Torque:
Approx. 8-10 Nm (estimated for the era and displacement, specific figures vary)
Carburetor Type:
Single carburetor (Specific model details vary, typically Mikuni)
Oil System:
Pre-mix fuel or Autolube system (depending on specific model year/variant)
Wheelbase:
Varies by model year, but typically around 1300-1350 mm for 100cc motocross bikes of the era
Length:
Varies by model year, typically around 1800-1900 mm
Width:
Varies by model year, typically around 750-850 mm (handlebar width)
Height:
Varies by model year, typically around 1100-1150 mm (seat height)
Dry Weight:
Varies by model year, but typically around 70-80 kg for 100cc motocross bikes of the era
Gross Vehicle Weight Rating:
Not typically specified for off-road motorcycles in this format.
Part Replacement Guidance:
The manual facilitates maintenance by clearly identifying wearable parts and their part numbers.
Preventative Maintenance Aid:
Helps identify parts needed for routine maintenance such as filter changes, seal replacements, and gasket renewals.
Fuel Mix Ratio:
Requires 2-stroke engine oil mixed with gasoline at a specified ratio (typically 20:1 or 32:1, check specific model specs not detailed here).
Transmission Oil:
Yamaha recommends specific gear oil for the transmission (refer to original service manual for exact specs).
Common Wear Items:
Parts like piston rings, clutch plates, brake shoes, and seals are common wear items identified in parts catalogs.
Manufacturer Focus:
Yamaha is renowned for its extensive history in motorcycle racing and off-road performance.
Mx Series Context:
The MX series represents Yamaha's commitment to motocross competition, with the MX100 being an entry-level or junior class machine.
Dirt Bike Development:
Part of Yamaha's early efforts to create competitive and accessible motocross bikes for younger or less experienced riders.
Production Period Context:
The '1975 ONWARDS' indicates it covers early models of the MX100, a period of significant development in motocross technology.