Description

Honda XR125L, XR125L3, XR125L4, XR125L5, XR125L6 2005 Parts Catalog

If you are wrenching on one of these Honda dual-sports – the XR125L, XR125L3, XR125L4, XR125L5, or XR125L6 – you already know the stock parts diagrams from aftermarket sources are a gamble. Half the time the illustration doesn’t match the actual part. That’s why you need the real deal: the Honda XR125L, XR125L3, XR125L4, XR125L5, XR125L6 2005 Parts Catalog. 117 pages of factory-original exploded views and part numbers, issued by Honda in 2005. This is not a reprint. This is the actual PDF Honda’s parts departments used to order gasket kits, cylinder heads, and fuel hoses. Every number in here corresponds to the OEM part.

Engine Group: Cylinder Head, Camshaft, and Crankcase

Under the ENGINE GROUP section (starting on page 31), you get every sub-assembly from the top end to the bottom. The CYLINDER HEAD COVER is broken into two separate blocks: one for the XR125L3 (E-1) and another for the XR125L4,5,6 (E-1-1). That matters because the gasket shape changed between the L3 and later models, and if you order the wrong cover gasket, you will have an oil leak. The CYLINDER HEAD (E-2), CAMSHAFT/VALVE (E-3), and CYLINDER (E-4) each have their own exploded diagrams with callouts. If you need the piston and rings, the CRANKSHAFT/PISTON (E-13) section lists every component including the clip and pin. The CARBURETOR (E-16) is in there too, with all jets and gaskets. Additionally, the OIL PUMP (E-7) and CLUTCH (E-6) sections are critical for anyone rebuilding the right side of the engine. There are even GASKET KIT A (EOP-1) and GASKET KIT B (EOP-2) pages that list all the gaskets needed for a top-end or bottom-end overhaul. Each part number ties to a specific model and serial range, so you don’t end up with a gasket that doesn’t fit.

Frame Group: Fuel Tank, Battery, and Wiring

The FRAME GROUP starts on page 54 and covers everything bolted to the chassis. Here you find the FUEL TANK (F-13) with all mounting hardware and petcock parts. The BATTERY (F-26) section gives the OEM battery part number – check Automotive Battery for general knowledge, but rely on the part number here. The WIRE HARNESS (F-27) diagram shows every connector and route, which helps when chasing an electrical fault. Front and rear brakes are covered in F-4, F-9, and F-11. The FRONT FORK (F-8) and REAR CUSHION (F-22) have their own parts breakdowns. Even the TOOLS (F-29) that came with the bike are listed. If you are restoring a 2005 XR125L, this section alone saves hours of hunting for the correct hardware.

Fuel System: From Carburetor to Fuel Hose Specs

Fuel system parts are scattered across both groups. The carburetor is in the engine group (E-16), but the FUEL TANK is in the frame group. On page 15, there is a dedicated section on “Fuel hose, general purpose hoses and vinyl hose” – it lists the factory-approved hose types and sizes. Do not substitute a generic hose without checking this. The catalog also includes the FLAT RATE SERVICE TIME table on page 19, which gives standard labor hours for common replacement jobs – useful if you are quoting a customer or planning your own time.

OEM vs Aftermarket: What You Actually Get

Aftermarket parts websites aggregate data from multiple years and models, often mixing up the XR125L3 with the L4 because they share similar engine codes. This catalog is divided by model-specific sections with clear headings. Look at the “Models, parts catalogue codes and applicable serial numbers” on page 6 – it tells you exactly which serial numbers match which parts block. The “Part block and serial number check” on page 5 explains how to verify compatibility if you have a bike that falls near a serial number break. You also get a color label attachment position check, a color chart for paint codes, and a list of abbreviations used in the catalog. This is the level of detail you only get from Honda themselves. For a broader look at how OEM documentation ensures safety and accuracy, see Automotive Industry Overview. If you’ve ever been burned by an aftermarket ‘universal’ part, you will appreciate the precision here.

Flat Rate Service Time: Practical Use in Your Shop

Flip to page 19 for the FLAT RATE SERVICE TIME table. It lists standard hours for removing the cylinder head, replacing the clutch, etc. When I quote a job, I use those numbers as a baseline. They assume a clean bench and proper tools. If you are a DIYer, it gives you a realistic idea of how long the job takes – not the optimistic YouTube estimate.

Frequently Asked Questions

Does this manual include torque specifications?

No. This is a parts catalog, not a service manual. Torque specs require the factory service manual.

Will this work for an XR125L2?

The catalog covers only the XR125L, XR125L3, XR125L4, XR125L5, and XR125L6 for 2005. Earlier models like the XR125L2 have different part numbers because Honda revised the cylinder head, frame, and electrical system. You can compare the illustrations to see if a part looks similar, but ordering a part for a L2 based on this catalog could result in a mismatch – for example, the camshaft part number is different. The serial number check on page 5 helps determine compatibility if you have a specific part, but it’s safer to get the correct catalog for your exact model. If you need an L2 catalog, check our related manuals.

How do I find a part number for a specific bolt?

Use the PART NO. INDEX starting on page 94 or the PART NAME INDEX on page 98. If you know the name, the name index lists the page number where that part appears in the exploded diagram.

Is this the same as the manual from the Honda dealer?

Yes. This is the exact PDF that Honda issued to dealers in 2005. The cover says ‘Honda Motor Co., Ltd. 2005’ and the initial version date is April 10, 2003. It includes all updates up to October 1, 2005.

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Stop wasting time cross-referencing aftermarket schematics that might be wrong. If you need the right part number for anything from a cylinder gasket to a fuel hose, this is your source. Access the Factory Manual.