Suzuki Boulevard M90 / VZ1500 2008–2009 Service Manual (P/N 99500-39370-03E)

Suzuki VZ1500 K9 (2009-model) service manual, P/N 99500-39370-03E, prepared by Suzuki Motor Corporation in September 2008, with the table of contents marked Revised April '09. It covers the E-02, E-03, E-19, E-24, E-28, and E-33 market versions.

Searchable PDF with Chapter and Procedure Bookmarks

Search and diagram detail: PDF text search and embedded bookmarks provide access to the service sections. Small wire codes and terminal labels in the dense main wiring diagrams require zooming.

One printable 580-page PDF, including the front matter, publication details, and seven blank or section-divider pages.

V-Twin Overhaul, FI Diagnosis and Shaft-Drive Service

This selected content overview highlights major workshop tasks rather than reproducing the complete contents; other topics include wheel balancing and combination-meter inspection.

• Engine repair: Step-by-step procedures for engine removal and installation, top-end and bottom-end disassembly and assembly, cylinder-head work, and internal inspection.

• Fuel injection: ECM self-diagnosis, dealer-mode checks, SDS/DTC diagnosis and reset, throttle-body removal, cleaning and synchronization, and ISC valve initialization.

• Transmission and clutch: Countershaft and driveshaft gear disassembly, shift-mechanism inspection, clutch removal and installation, and plate inspection.

• Shaft drive: Secondary and final bevel gear overhaul, propeller-shaft service, and universal-joint inspection.

• Cooling and lubrication: Cooling-circuit inspection, thermostat testing, water-pump disassembly, oil-pressure checks, and oil-pump inspection.

• Chassis service: Front-fork disassembly and assembly, swingarm service, brake bleeding, and steering-stem bearing replacement.

• Electrical systems: Ignition, starter and charging diagnosis, lighting service, market-specific wiring diagrams, ECM terminal identification, and harness-routing references.

Written for people with the knowledge, skills, and tools—including special tools—needed to service Suzuki motorcycles; the manual assumes generally known service information.

Market-Specific Emissions and FI Troubleshooting

The E-33 configuration has dedicated evaporative-emission system coverage. HO2 sensor diagnosis applies to E-02, E-19, E-24, and E-33, while lighting specifications and main wiring diagrams distinguish the applicable market groups.

Fault records: Suzuki's Show Data When Trouble function stores operating conditions when a malfunction is detected. The manual explains how these records and the order of faults can support diagnosis and rechecking, alongside DTC tables, fail-safe information, and circuit-specific troubleshooting charts.

Individual diagnostics address CKP, IAP, TP, ECT, IAT, tip-over, and secondary-throttle sensors, injectors, the ISC valve, fuel-pump relay, ignition, PAIR control, cooling-fan relay, HO2 system, and E-33 EVAP purge circuit.

Diagnostic equipment: References include SDS set 09904-41010, mode select switch 09930-82720, multi-circuit tester set 09900-25008, and TPS test wire harness 09900-28630. For further software operating details, Suzuki refers readers to the separate SDS operation manual, which is not included.

Fuel-system procedures include fuel-pressure and pump-delivery checks, fuel-pump disassembly, filter inspection, and injector cleaning.

Engine Internals and Throttle-Body Work

Cylinder-head coverage includes camshaft inspection, valve-guide replacement and valve-seat repair, followed by piston and piston-ring service.

Conrod and crankshaft inspection extends to crank-pin bearing selection, crankshaft bearing inspection, adjustment and replacement, and thrust-clearance inspection.

For throttle-body disassembly, the STVA and throttle plates must remain attached; the STVA and throttle body are supplied only as an assembly. ISC valve reset and preset/opening initialization are documented separately.

Scheduled maintenance covers valve clearance, throttle synchronization, final gear oil, PAIR and EVAP systems, cooling, brakes, steering, and suspension.

Bevel Gears, Gear Selection and Clutch Components

The driveline section follows the secondary driven bevel gear, propeller shaft, and universal joint through to the final bevel gear assembly. Gear inspection, bearing and oil-seal work, secondary gear shim inspection and adjustment, and final gear shim inspection and adjustment are documented; backlash measuring tool 09924-34510 is specified.

Transmission inspection addresses the gearshift forks, gearshift cam, and shift mechanism. Clutch coverage reaches the release assembly and push rod, drive and driven plates, clutch sleeve hub, and primary driven gear.

Cooling, Lubrication and Chassis Repair

Cooling coverage extends to radiator and cooling-fan removal, fan-relay inspection, water-pump seals, and related-part inspection. Lubrication procedures address the pressure regulator, sump filter, oil jets, and oil pump.

Suspension limits: Front-fork service references assembling tool 09940-30221, but the inner rod/damper cartridge must not be disassembled. Rear-shock coverage addresses removal, inspection, spring preload, and damping adjustment; the shock itself is not internally serviceable.

Wheel and bearing service, front and rear brake calipers and master cylinders, brake-fluid replacement, steering removal, and steering-tension adjustment complete the chassis coverage.

Electrical Tests, Wiring and Routing References

Starter symptom charts distinguish a starter that will not run from one that runs without cranking the engine. Starter-motor disassembly and inspection are also covered.

Charging checks cover battery current leakage, regulated voltage, generator output, and the regulator/rectifier.

Named references include the FI System Wiring Diagram, Engine Lubrication System Chart Diagram, Cooling Circuit Diagram, PAIR System Hose Routing Diagram, Front Brake Hose Routing Diagram, and Wiring Harness Routing Diagram. Component-location views and ECM connector-terminal identification support fault tracing and component installation.

Component-Specific Service Precautions

Forcing tester probes into couplers can bend or open terminals, and reverse battery polarity can immediately damage FI components. The spark-plug section warns that insufficient plug reach can cause carbon buildup in the plug hole and engine damage.

Brake service specifies DOT 4 fluid: incompatible fluids or cleaning solvents can damage brake components, while spilled fluid can damage paint, plastic, and rubber.

This page is a contents preview of the factory service manual, not a substitute for its repair procedures. The complete procedure, specified service tools, cautions, and system-specific safety information should be followed when carrying out engine, fuel, electrical, brake, suspension, or driveline work.

Coolant Capacity and Final-Drive Backlash Preview

The coolant recommendations specify a total solution capacity of 2,650 ml. Cooling-system service data also includes thermostat and fan inspection specifications.

The final gear adjustment procedure gives a standard final bevel gear backlash of 0.08–0.16 mm, tied to dial-gauge measurement and shim selection. Subsystem torque tables, a general fastener torque chart, and mechanical wear limits complement the system-specific sensor, injector, fuel-pressure, generator, and starter test data.