2004-2006 Suzuki RM-Z250 / RM-Z250K4 / RM-Z250K5 / RM-Z250K6 Service Manual

Complete factory service documentation for Suzuki RM-Z250 dirt bikes (2004-2006 models). Covers engine repair, transmission service, suspension maintenance, and detailed specifications. Professional mechanics' reference.

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Document Details

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Document Number / Seller:
24635 / Peter Thomas
File Size:
33.92 MB
File Type:
PDF
Language:
English
Printable:
Yes
Category:
Motorcycle
Last updated / verified
Jan 20, 2025

Models Covered & Key Technical Specifications

Suzuki RM-Z250, RM-Z250K4, RM-Z250K5, RM-Z250K6 — 2004–2007 Comprehensive Specification Registry | RM-Z250 Series Repository.

  • Published Physical Specs: The engine displacement is specified at 249 cm³ (15.2 cu in), establishing the baseline cylinder volume Architecture.
  • Specific Resolution Data: Maximum horsepower is configured at 31.6 kW (43.0 PS) @11 000 r/min, indicating peak power output Standards.
  • Integral Tension Specs: The primary gear reduction ratio indicates 3.350 (67/20), controlling the drive transmission Margin.
  • Operational Holding Capacity: Fuel tank capacity is measured at 7.5 L (2.0 US gal), requiring adequate fuel system Protocol.
  • Fundamental Load Capacity: Engine oil capacity provides 1.5 L (1.6 USqt) when completely dry, essential for lubrication Architecture.
  • Universal Dimensional Limits: The wheelbase reaches 1 475 mm (58.07 in.), providing the frame dimension Norms.

Professional Workshop Service Manual & Technical Specifications

Precision Operations Reference Manual: Motorcycle Suzuki RM-Z250, RM-Z250K4, RM-Z250K5, RM-Z250K6 Manual 2004-2006 - Comprehensive Service & Repair Guide Engine-Compendium

System-Coverage: RM-Z250, RM-Z250K4, RM-Z250K5, RM-Z250K6 2004-2007 // Operational-Framework: Engine, transmission, and chassis system documentation // System-Coverage: 371-page comprehensive technical resource with exploded views and specifications.

Metric Value Validation-Data
Document Type Factory Service Manual Complete technical specifications provided
Model Years 2004-2007 Multiple year coverage inclusive
Total Pages 371 Comprehensive chapter coverage
Primary Systems Engine, drivetrain, suspension, brakes All major assemblies documented
Specifications 23 dedicated specification chapters Torque, clearance, and fluid data included

Repair information is provided for the complete engine top end assembly, including the cylinder head, camshaft, valve systems, and piston configuration. The document includes coverage of the fuel system with detailed carburetor layout, throttle cable routing, air cleaner element specifications, and fuel tank inspection procedures. Brake system specifications are included for both front and rear disc brake calipers, master cylinders, brake fluid types, and pad wear limits.

Modular Standard

Safety procedures are documented for periodic maintenance intervals, including oil changes at specified racing hour intervals, coolant deterioration assessment, and component inspection schedules. The manual provides comprehensive lubrication data for engine oil selection, including viscosity grades, capacity measurements for various drain points, and oil pressure testing procedures. Fluid capacities are listed for the cooling system, incorporating antifreeze mixture ratios and radiator pressurization specifications.

Precise Sequences

The document references detailed exploded view illustrations for each major system, showing component relationships and fastener locations throughout the engine, transmission, and chassis. Transmission documentation covers the five-speed constant mesh gearbox with shift fork inspection criteria, gear tooth wear limits, and synchronizer engagement procedures. Electrical system sections document the ignition system, neutral switch operation, and spark plug specifications with gap measurements.

Core Logic-Path

Suspension system data addresses both the front telescopic fork assembly and the rear Uni-Trak linkage design, including damping adjuster calibration, spring free length specifications, and bearing preload documentation. The chassis layout includes frame inspection procedures, steering stem bearing lubrication points, and swingarm pivot maintenance requirements. Final drive documentation contains drive chain wear measurement protocols, sprocket tooth profile assessment, and master link inspection guidance.

Engineered Topology

Wheels and tire information specifies rim runout tolerances, spoke nipple torque values, and hub bearing inspection methodology. The document covers brake disc runout limits, caliper piston seal replacement procedures, and brake fluid specification requirements for both DOT3 and DOT4 systems. Engine removal and installation procedures reference 371 pages of modular assembly sequences with dowel pin locations and bolt torque specifications throughout the crankcase, cylinder, and cover interfaces.

Comprehensive Methodology

The manual documents torque specifications for the engine crankshaft assembly to ensure proper mating surface contact. Crankshaft runout inspection data, connecting rod clearance measurement techniques, and oil seal installation direction protocols receive detailed treatment. The transmission shaft documentation includes bearing selection criteria, circlip groove alignment, and gear tooth engagement verification procedures for all five forward speeds.

The service manual includes reference sections on special tools required for complete engine disassembly, including valve spring compressors, bearing driver sets, and crankcase splitting assemblies. Coolant system pressure testing specifications are documented with relief valve opening ranges. The periodic maintenance chart provides service intervals measured in racing hours, with replacement part numbers cross-referenced throughout the technical sections.

FAQ

What components are **documented** for rider safety precautions? keyboard_arrow_down

Six critical safety components must be checked: brake lever/pedal (adjustable to suit rider), front fork rebound damping (11 clicks standard on RM-Z250K4), compressed engine oil passages (requiring cleaning with high-flash-point solvent), front fork air pressure (atmospheric pressure standard), and brake fluid system (DOT3 or DOT4 type). Before servicing any component, gloves must be worn to prevent injury from sharp edges, and all sealed areas must be protected from dirt contamination.

Confirm the **precise** specifications for engine lubrication requirements? keyboard_arrow_down

1.5 L (1.6 US qt) is the total capacity required, using API SG, SH or SJ with JASO MA specification engine oil at SAE 10W-40 viscosity. For oil changes when filter is not removed: 1.3 L; when filter is removed: 1.35 L; when engine is completely dry: 1.5 L. Oil pressure must maintain 19.6 kPa (0.2 kgf/cm², 2.8 psi) at 90°C oil temperature and 4,000 rpm engine speed.

What tools are **proper** for conducting compression testing? keyboard_arrow_down

57001-1317 compression gauge adapter (M10 × 1.0) combined with 57001-221 compression gauge (20 kgf/cm² range) must be used to measure cylinder compression at 431∼706 kPa (4.4∼7.2 kg/cm², 62.5∼102 psi) standard range. Engine must be warmed thoroughly before testing with throttle fully open, turned sharply with kickstarter for minimum 5 kicks until gauge stops rising to obtain highest obtainable reading.

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Reviews (4)

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The illustrations are very helpful. I appreciated the quick email delivery of the download link. It made getting started a breeze!
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Absolutely love this manual! The troubleshooting section saved me a lot of time. Plus, support was prompt and professional when I needed assistance.
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The service manual is incredibly detailed and easy to follow. I had a smooth download process—received the link almost instantly! Highly recommend!
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This manual has everything you need for maintenance and repairs. The customer support was fantastic, responding quickly to my questions!