2008-2012 Suzuki RM-Z450 Service Manual (P/N C4085-91017)

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Suzuki Models Covered & Key Technical Specifications

Models: 2008–2012 Suzuki RM-Z450

Sub-models / Variants: Closed Course Competition

Trade Names: RM-Z450

Production Years: 2008–2012

Serial Numbers: JS1RL42A000 503103–, JS1RL42C 92 100035–, JS1RL42A000 503098–, JS1RL42C 92 100037–

Technical Data:

  • Engine displacement: 449 cc

  • Cylinder bore: 95.50 mm

  • Maximum Power Output: 45.2 HP @ 9,000 RPM

  • Ignition timing: 10° BTDC

  • Fuel tank capacity: 6.2 L (1.6/1.4 US/Imp gal)

  • Engine coolant capacity: 1.2 L

  • Intake valve clearance (cold): 0.09–0.16 mm

  • Exhaust valve clearance (cold): 0.17–0.24 mm

  • Spark plug gap: 0.9–1.0 mm

  • Drive chain slack: 40–50 mm

Technical Specifications
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Document Number / Seller:
29945 / Mary Collins
File Size:
56.72 MB
File Type:
PDF
Language:
English, multi-language
Pages:
370
Printable:
Yes
Category:
Motorcycle
Last updated / verified
May 30, 2026

Suzuki Manual Features & Content Preview

  • Details the 2008–2012 Suzuki RM-Z450 off-road race bikes, focusing on the high-performance liquid-cooled 4-stroke engine and chassis systems
  • Official Suzuki service documentation (P/N C4085-91017) outlining exact factory specifications and maintenance standards
  • Features comprehensive exploded-view diagrams, technical schematic tables, and precise service clearance charts for engine and suspension tuning
  • Serves as the primary factory reference for the C4085-91017 series, providing the original values required for competition setup and long-term mechanical reliability

Mechanical Systems and Routine Maintenance

This manual outlines the essential service requirements for the RM-Z450, breaking down interval-based inspections for the engine, cooling system, and suspension components. It walks through the complete engine removal and installation process, detailing crucial torque values for mounts and the swingarm pivot shaft. You will find distinct sections dedicated to cylinder head service, piston and ring inspection, alongside transmission troubleshooting. This ensures you have the accurate data needed to perform major top-end rebuilds and keep the bike race-ready. Please note that servicing high-performance racing motorcycles involves inherent mechanical risks; always use the correct tools and consult a certified technician before undertaking complex engine work to ensure safe and reliable operation.

Technical Specification Highlights

Beyond basic maintenance, this publication provides comprehensive OEM service data including vital fluid capacities and electrical reference values. For instance, intake valve clearance is explicitly listed at 0.09–0.16 mm in the cylinder head specification tables. The cooling system is designed to manage 1.2 liters of radiator fluid, while ignition timing is documented at 10° BTDC within the electrical section. Spanning hundreds of pages, this official Suzuki reference delivers the exact technical specs, torque settings, and diagnostic flow charts required to maintain peak competitive performance on the track.

Technical Safety Notice
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This official OEM document is intended for professional technicians and skilled operators. Performing service on mechanical equipment involves inherent risks. By purchasing, you acknowledge that RepairLoader provides original manufacturer data for informational purposes. Always prioritize safety: use correct tools, wear protective gear, and consult a certified professional if you are uncertain of any procedure.

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