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Marc Motor ROS 125 LIGHT - User Manual

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MADE IN ITALY
engine for emotion
ROS motor
LIGHT FLY ENGINES
Technical handbook
Tel. & Fax +39 0733 493158 - email: rosmotor@marcmotor.com - web: www.rosmotor.it
Via dei Velini, 293 - 62100 Macerata (MC) - Italy
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Summary

Component description

Instructions

Running-in

Procedure for initial engine break-in to ensure longevity and performance. Includes fuel mixture details.

Starting

Instructions for starting the engine, including fuel level check, choke operation, and decompressor use.

Technical advice

Ignition timing

Information about the variable ignition coil and its spark generation capabilities.

Reduction Gear Operation

Ignition timing setting

Setting ignition timing by finding top dead center (TDC) using a dial gauge.

Ignition and Spark Plug

Flywheel mounting

How to mount the flywheel correctly, aligning marks with the ignition coil.

Gap adjustment

Setting the 0.4mm gap between the flywheel and ignition coil using a feeler gauge.

Spark plug reading

How to interpret spark plug color to diagnose mixture and engine condition.

Maintenance Schedule

Technical features

Technical Specifications

Marc Motor ROS 125 LIGHT Specifications

General IconGeneral
Engine TypeSingle cylinder, 4-stroke
Displacement124.6 cc
Cooling SystemAir cooled
Fuel SystemCarburetor
IgnitionCDI
Starting SystemElectric and kick starter

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