The Minitrial 50 is a compact, 50cc off-road motorcycle designed for trial riding and recreational use, particularly suited for younger riders or those new to the sport. Produced likely during the 1980s and 1990s, this lightweight machine, estimated to weigh between 45-55 kg, features a nimble design with a low seat height and compact wheelbase to enhance rider control and maneuverability. It is powered by a 2-stroke, air-cooled single-cylinder engine, typical for its class, offering accessible performance and a focus on ease of maintenance, reflecting a strong heritage in off-road motorcycling.
This manual provides comprehensive coverage for the Minitrial 50, detailing general information, operation, and essential maintenance procedures. It includes critical sections on the electrical system with diagrams, fuel and lubrication systems, brake checks, engine component care such as spark plugs and air filters, and transmission maintenance. The manual also guides users through pre-ride checks, break-in procedures, starting, and post-cleaning inspections, offering basic troubleshooting and diagnostic information to assist owners and technicians in keeping the vehicle in optimal condition.
SECTION 1 GENERAL INFORMATION
Main parts ........................................................... 8
Vehicle identification data ............................... 9
Hand drive controls .......................................... 10
Technical data ............................................ 11, 12
Electrical diagram ............................................ 13
SECTION 2 OPERATION AND USE
Checks and maintenance
before and after use ........................................ 16
Fueling operations ............................................ 17
Recommended lubricants and liquids ........... 18
Breaking in ......................................................... 19
Startup ................................................................ 20
SECTION 3 MAINTENANCE AND CHECKS
Gearbox oil ........................................................ 22
Air filter ................................................................ 23
Spark plug .......................................................... 25
Brakes ................................................................. 26
Checks after cleaning...................................... 27
Maintenance schedule ................................... 28
Main parts
Vehicle identification data
Hand drive controls
Technical data
Electrical diagrams
In english & ITALIANO
SECTION 1 GENERAL INFORMATION
Main parts ........................................................... 8
Vehicle identification data ............................... 9
Hand drive controls .......................................... 10
Technical data ............................................ 11, 12
Electrical diagram ............................................ 13
SECTION 2 OPERATION AND USE
Checks and maintenance
before and after use ........................................ 16
Fueling operations ............................................ 17
Recommended lubricants and liquids ........... 18
Breaking in ......................................................... 19
Startup ................................................................ 20
SECTION 3 MAINTENANCE AND CHECKS
Gearbox oil ........................................................ 22
Air filter ................................................................ 23
Spark plug .......................................................... 25
Brakes ................................................................. 26
Checks after cleaning...................................... 27
Maintenance schedule ................................... 28
Main parts
Vehicle identification data
Hand drive controls
Technical data
Electrical diagrams
In english & ITALIANO
