2004-2007 Honda CR125R ( CR 125 R ) Complete Service Manual

Keep your final-generation Honda 2-stroke running at peak factory performance. This 2004–2007 Honda CR125R Complete Service & Repair Manual is the ultimate technical handbook for riders, racers, and mechanics undertaking maintenance, diagnostic troubleshooting, or a ground-up restoration.

Whether you are rebuilding the top end, servicing the RC Valve (electronic/mechanical power valve), rebuilding the Kayaba suspension, or tuning the carburetor for race day, this comprehensive workshop guide provides detailed schematics, exploded parts assemblies, and clear step-by-step procedures.

🏍️ Model Years Covered

• 2004 Honda CR125R (CR 125 R)

• 2005 Honda CR125R (CR 125 R)

• 2006 Honda CR125R (CR 125 R)

• 2007 Honda CR125R (CR 125 R – Final Production Year)

What’s Included in This Manual?

This digital service manual covers every single component and system on the bike:

1. General Information & Periodic Maintenance

• Recommended service schedules & pre-ride inspection checklists

• Fluid capacities, premix fuel ratios, and spark plug heat ranges

• Fastener torque specification tables (metric/standard)

2. Engine, Top End & Power Valve (RC Valve)

• Piston, ring, wrist pin, and small-end bearing replacement

• Cylinder inspection, bore measurement, and replating guidelines

• Electronic RC Power Valve servo motor cable adjustment, disassembly, and cleaning

• Reed cage inspection and petal replacement

3. Bottom End, Clutch & Transmission

• Crankshaft truing specs, runout limits, and main bearing replacement

• Clutch basket, hub, plate, and spring inspection & installation

• 5-speed transmission gear teardown, shift fork inspection, and reassembly

• Crankcase splitting and resealing procedures

4. Fuel & Induction System

• Carburetor disassembly, sonic cleaning, and jetting specifications

• Float height adjustment and air screw baseline settings

• Throttle cable routing, free-play adjustment, and slide inspection

5. Chassis, Wheels & Brakes

• Front and rear hydraulic brake caliper & master cylinder rebuilds

• Brake pad replacement, bleeding procedures, and rotor wear limits

• Wheel bearing replacement, rim truing, and spoke torque specs

• Steering head bearing adjustment and swingarm pivot service

6. Suspension Overhaul

• Front fork disassembly, seal/bushing replacement, and oil level tuning

• Rear shock service, spring preload adjustment, and linkage bearing maintenance

7. Electrical & Ignition System

• Full-system wiring diagrams

• Stator/alternator resistance checks, ignition coil testing, and CDI diagnostics

• Kill switch and electrical troubleshooting flowcharts

📋 Technical Specifications

❓ Frequently Asked Questions (FAQ)

How fast will I receive my download?

Instantly. As soon as your checkout is complete, your download link activates on-screen and a permanent backup link is emailed to you automatically.

Will this work on my smartphone or tablet in the garage?

Yes. The PDF format is fully compatible with iOS (iPhone/iPad), Android devices, laptops, and desktop computers. You don’t need any proprietary software.

Does this manual cover the electronic RC Valve adjustment?

Yes. It contains full diagnostic steps, cable tension setup, and servo motor calibration for the RC Valve power valve system used on 2004–2007 CR125 models.

Can I print out dirty-hand pages?

Yes. You can print only the exact pages you need for your project (e.g., torque specs or top-end rebuild steps) so your phone or computer stays clean in the workshop.

Get Your CR125R Back on the Track

Don’t guess on critical tolerances or torque specs. Download your complete workshop manual today and tackle your build with complete confidence

$12.99 – Add to Cart Checkout Added to cart

Category	Books
Tag	12th Grade