Disassembling the Generator Area

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Written by Randy Fox   
Saturday, 03 November 2007

Introduction

Starter gears, Yamaha Road Star

This article is one of a series that describes how to disassemble, work on, and reassemble the Road Star engine. This particular article tells how to remove the generator assembly. See the Complete Engine Tear Down, Orientation article in this website for details. Be sure you refer to the service manual through all phases of this project.

 

Understanding the Starter/Generator Area

The Road Star's starter, located on the very front of the engine, has a pinion gear that drives a series of other small gears. The last of these gears turns the generator rotor, which rotates its shaft, which meshes with crankshaft. In this way, the generator rotor acts similarly to a flywheel in an auto engine.

The other function of the generator rotor is, of course, to work with the stator to generate electricity which keeps the battery charged. The stator is housed within the generator cover.



 
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