Without the written permission of Yamaha Motor Corporation, U.S.A. Is expressly prohibited. Printed in U.S.A. P/N LIT-11616-28-01 EAS20071 IMPORTANT This manual was produced by the Yamaha Motor Company, Ltd.

Primarily for use by Yamaha dealers and their qualified mechanics. It is not possible to include all the knowledge of a mechanic in one manual. Therefore, anyone who uses this book to perform maintenance and repairs on Yamaha vehicles should have a basic understanding of mechanics and the techniques to repair these types of vehicles.

This 2015 – 2018 Yamaha SR4000 Factory Service Manual provides detailed. Specifications for 2015, 2016, 2017, and 2018 Yamaha SR400 motorcycles. View Yamaha Owner's Manuals Online. The Yamaha Owner's Manual Section offers the ability to view Owner's Manuals for many past Yamaha models.

Pdf

Repair and maintenance work attempted by anyone without this knowledge is likely to render the vehicle unsafe and unfit for use. This model has been designed and manufactured to perform within certain specifications in regard to performance and emissions. Proper service with the correct tools is necessary to ensure that the vehicle will operate as designed. If there is any question about a service procedure, it is imperative that you contact a Yamaha dealer for any service information changes that apply to this model. This policy is intended to provide the customer with the most satisfaction from his vehicle and to conform to federal environmental quality objectives. Yamaha Motor Company, Ltd. Is continually striving to improve all of its models.

Modifications and significant changes in specifications or procedures will be forwarded to all authorized Yamaha dealers and will appear in future editions of this manual where applicable. TIP.

This Service Manual contains information regarding periodic maintenance to the emission control system. Please read this material carefully. Designs and specifications are subject to change without notice. EAS20081 IMPORTANT MANUAL INFORMATION Particularly important information is distinguished in this manual by the following notations.

2015 Yamaha Sr400 Manual Pdf

2015 Sr400 Manual

This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety messages that follow this symbol to avoid possible injury or death. WARNING A WARNING indicates a hazardous situation which, if not avoided, could result in death or serious injury. NOTICE A NOTICE indicates special precautions that must be taken to avoid damage to the vehicle or other property.

Ignition circuit cut-off system The ignition circuit cut-off system (comprising the sidestand switch, clutch switch and neutral switch) has the following functions. It prevents starting when the transmission is in gear and the sidestand is up, but the clutch lever is not pulled. It prevents starting when the transmission is in gear and the clutch lever is pulled, but the sidestand is still down. It cuts the running engine when the transmission is in gear and the sidestand is moved down. Periodically check the operation of the ignition circuit cut-off system according to the following procedure. Adjusting the shock absorber assemblies.

2015 Yamaha Sr400 Manual

Adjust the spring preload as follows. To increase the spring preload and thereby harden the suspension, turn the adjusting ring on each shock absorber assembly in direction (a). To decrease the spring preload and thereby soften the suspension, turn the adjusting ring on each shock absorber assembly in direction (b). Align the appropriate notch in the adjusting ring with the position indicator on the shock absorber.