2009 Yamaha XP500Y TMAX Factory Service Manual (P/N LIT-11616-22–08)

• Official Yamaha publication P/N LIT-11616-22–08 (first edition, March 2008)
• Comprehensive 385-page factory reference detailing the 4B54-series build for the 2009 model year
• Documents factory diagnostics, maintenance schedules, and mechanical specifications for the liquid-cooled parallel-twin engine
• Features 37 technical specification tables, 6 distinct system diagrams (including cooling and lubrication circuits), and precise tightening torque values for all engine and chassis fasteners
• Provided as a PDF featuring complete wiring diagrams, component repair procedures, and advanced troubleshooting guides
• Covers essential components such as the V-belt automatic transmission, throttle body, telescopic front fork, starter clutch, and ECU self-diagnostic functions

Manual Organization and Content

This publication delivers the exact documentation dealership technicians rely on for factory-correct maintenance and system diagnostics. The structure follows standard OEM organization, kicking off with vehicle identification and a complete overview of the electronic fuel injection system. From there, the manual breaks down engine mechanicals, covering valve clearance settings and cooling system management. Chassis documentation tackles steering, suspension, and brake service parameters head-on. Because servicing modern maxi-scooters involves high-pressure fuel lines and potentially lethal electrical currents, always review the factory safety procedures outlined in the primary chapters before starting any diagnostic work.

To help reduce expensive dealership labor costs, this guide details the step-by-step instructions required for complex workshop tasks. You will find exactly how to perform accurate throttle body synchronization using a vacuum gauge, overhaul the entire V-belt automatic transmission, and properly bleed the hydraulic brake system. Having immediate access to cable routing diagrams, lubrication system diagrams, self-diagnostic function tables, diagnostic code tables, and actuator operation tables accelerates the isolation of electrical anomalies. This significantly streamlines your workflow when tracing faults within the Yamaha fuel injection network or routing complex harnesses.

Technical Data Preview

Inside, you will find the hard numbers required for accurate mechanical work. Cylinder head bolt torque values are mapped out in a strict multi-stage sequence, with final-stage angles specified at 90° for connecting rod nuts. The coolant system capacity is documented at 1.48 liters. Intake vacuum sits at a specified 33.0 kPa. Need to check valve clearances? The engine specification tables list the intake tolerance right at 0.15–0.20 mm. Further data sections detail electrical resistance values, battery charging limits, and wear tolerances for transmission components, giving you a highly reliable baseline for servicing the XP500Y platform.

When diving into deep engine teardowns, a critical workshop trap involves the connecting rod fasteners. If a technician accidentally tightens a nut past the specified 90-degree final yield angle, the bolt and nut must be completely discarded and replaced rather than simply backed off. Mechanics must also be aware of the hazards associated with the rear shock absorber. The unit houses highly compressed nitrogen gas, requiring a very specific drilling technique at a precise location to safely relieve internal pressure before the assembly can be disposed of.