Yamaha YZ85 2002-2006: A Comprehensive Overview

The Yamaha YZ85, introduced in 2002 and continued through 2006, remains an iconic dirt bike renowned for its exceptional performance and reliability. Engineered with a focus on youth riders, this two-stroke motocross machine has cemented its place as a benchmark in the competitive world of off-road racing.

Engine

At the heart of the YZ85 lies a potent liquid-cooled, single-cylinder two-stroke engine boasting a displacement of 84.7cc. Its lightweight construction and efficient design ensure crisp throttle response and ample power delivery across the entire rev range. The engine features a reed-valve intake system, optimizing fuel-air mixture for enhanced combustion efficiency.

Chassis and Suspension

The YZ85's chassis is constructed from a robust steel frame, providing a solid foundation for tackling rugged terrain. Its compact dimensions and centralized mass contribute to agile handling and precise steering. The suspension system consists of a KYB inverted fork with 36mm stanchions at the front and a Monocross shock absorber at the rear, delivering exceptional damping characteristics and adjustable preload to accommodate various rider weights and track conditions.

Braking System

Exceptional braking performance is ensured by a hydraulic single-piston caliper gripping a 220mm front disc and a single-piston caliper actuating a 190mm rear disc. These components provide responsive and controlled stopping power, instilling confidence in riders as they navigate challenging tracks.

Ergonomics and Design

The YZ85 is tailored to accommodate youth riders, featuring a low seat height of 835mm and optimally positioned handlebars. Its minimalist bodywork allows for easy movement and reduces overall weight, enabling riders to maneuver the bike with ease. The aggressive styling, highlighted by the iconic Yamaha blue and white livery, reflects its racing pedigree and exudes a sense of excitement and adventure.

Key Features Summary

* Liquid-cooled, single-cylinder two-stroke engine (84.7cc)
* Reed-valve intake system
* Lightweight and durable steel frame
* KYB inverted fork (36mm stanchions)
* Monocross shock absorber (adjustable preload)
* Hydraulic single-piston front and rear brakes (220mm and 190mm discs, respectively)
* Low seat height (835mm)
* Aggressive styling and Yamaha blue and white livery

Legacy and Impact

Throughout its production run, the Yamaha YZ85 has consistently impressed with its exceptional balance of power, handling, and reliability. It has become the choice of countless young riders aspiring to excel in the world of motocross. Its legacy continues to inspire a new generation of racers, cementing its position as a true icon in the off-road racing community.

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Factory Service Repair Manual & Parts Catalogue
YAMAHA YZ85 years 2002-2006

Language: Eng-Fra-Ger
File Format: Pdf
Requirements: Adobe Reader 9 or later
Specifications: High Quality & Fully Printable & Fully Bookmarked & Searchable Text

Yamaha Models Covered:
YZ85(P)/LC and YZ85LW(P) -2002
YZ85(R)/LC and YZ85LW(R) -2003
YZ85(S)/LC and YZ85LW(S) -2004
YZ85(T) and YZ85LW(T) -2005
YZ85(V) and YZ85LW(V) -2006

Complete Factory Service Manual for all systems, maintenance & repairs.
Hundreds of illustrations & wiring diagram showing complete procedures of disassembly and reassembly.