This comprehensive PDF file contains the complete, original owner’s manual for the 1991 Yamaha TT350 B. As the dedicated off-road sibling to the street-legal XT350, the TT350 is legendary for its tractability, robust air-cooled reliability, and excellent suspension suited for tight trails and aggressive enduro riding. This detailed guide is absolutely essential for owners, racers, and restorers to fully utilize the motorcycle’s off-road capabilities, safely operate its controls, and perform the necessary preventative maintenance to keep this classic dirt bike running flawlessly in harsh environments.
The manual covers the following key, off-road-specific topics in detail:
- Motorcycle Overview and Enduro Hardware: A detailed introduction to the TT350’s specialized off-road equipment. It provides crucial instructions on maximizing capability, including details on the lightweight plastic bodywork, the heavy-duty drive chain, and the quick-detach rear wheel mechanism.
- Operating Instructions (Kick-Starting): Best practices for starting and riding the motorcycle safely. It details the critical, step-by-step kick-starting procedure for the 346cc 4-stroke DOHC engine, which relies on an automatic decompression system linked to the kick-starter, ensuring easy starting even when the engine is hot or stalled on a steep incline. It also explains the correct gear shifting techniques for the wide-ratio 6-speed transmission.
- Setup and Tuning (Suspension and Carburetion): Essential details for maximizing handling and power on the trail. It provides step-by-step instructions for safely adjusting the long-travel front telescopic forks and the rear Monocross suspension system to suit different rider weights and terrain. Crucially, it provides guidance on understanding and making basic adjustments to the complex YDIS (Yamaha Duo Intake System), a unique twin-carburetor setup designed to provide crisp low-end response and strong top-end power.
- Instruments and Controls: A full breakdown of the minimalist, competition-focused dashboard layout. It explains how to operate the basic lighting (if equipped for enduro regulations), the trip meter (vital for navigating enduro courses), and the durable hand controls.
- Vehicle Care and Maintenance (The Core of the Manual): Step-by-step scheduled maintenance guidance, which is critical given the extreme dirt and mud this bike is designed to endure. It includes instructions for checking and changing the engine oil and filter, servicing the vital air filter, and checking valve clearances. It details how to adjust drive chain tension, inspect the drum or disc brakes, and check spoke tension.
Whether you need to remember the correct procedure for finding Top Dead Center (TDC) for valve adjustments, understand the recommended fork oil viscosity, or locate the precise tire pressure recommendations for mud riding, this manual is a vital resource for mastering and preserving your 1991 Yamaha TT350 B.
Language: English
Format: PDF
