All 10 pages of this Yanmar L100N6-MTM, L100N6-METMR parts catalog PDF (OEM #Y00R7080) focus on one thing: giving you the exact component breakdown for your engine. Open up the file to see highly detailed exploded views of the entire assembly, from the cylinder head and bonnet down to the fuel injection pump. You get complete parts lists with factory part numbers for every single piece of hardware, making it easy to order exactly what your machine needs without second-guessing. Verify your rebuild options with factory reference codes, like the 0.25 mm main bearing undersize and 0.50 mm piston ring oversize part numbers listed directly in the crankshaft section. Your engine is torn apart on the bench and guessing parts wastes time. Grab this bookmarked file, look up the correct number on your phone or tablet, and get your parts order submitted today.
What's Inside This Yanmar L100N6-MTM, L100N6-METMR Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Cylinder Block | 1 | Block Assy, Cylinder, Gasket, O-Ring, Bearing, Plug, Cover |
| Cylinder Head & Bonnet | 2 | Head Assy, Cylinder, Valve, Spring, Rocker Arm, Nozzle, Bonnet Assy |
| Air Cleaner & Muffler | 3 | Air Cleaner, Muffler, Gasket, Cover, Element Assy, Pipe Assy |
| Crankshaft, Piston & Camshaft | 4 | Camshaft Assy, Crankshaft Assy, Piston, Ring Set, Bearing, Flywheel |
| Lub.Oil Pump & Governor | 5 | LUB.OIL Pump, Governor Assy, Filter Assy, Handle, Spring, Bearing |
| Cooling & Starting Device | 6 | Top Cover, Fan Case, Starter Assy, Recoil, Spring, Washer, Pulley |
| Fuel Injection Pump & Fuel Injection Valve | 7 | F.I.PUMP Assy, Fuel Injector, Nozzle Assy, Valve Assy, Spring, Shim Set |
| Fuel Tank & Fuel Pipe | 8 | Fuel Tank, Fuel Pipe, Filter, Clamp, Gasket, Cock |
| Starting Motor & Dynamo | 9 | Starter, Armature, Coil Assy, Brush, Pinion Assy, Dinamo Assy |
| Tool, Label & Gasket Set | 10 | Label, Tool Assy, Driver, Spanner, Oiler, Gasket Set |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Main Bearing Undersize (Option 1) | 0.25 | p. 1 |
| Main Bearing Undersize (Option 2) | 0.50 | p. 1 |
| Piston Ring Oversize (Option 1) | 0.25 | p. 4 |
| Piston Ring Oversize (Option 2) | 0.50 | p. 4 |
| Crankpin Bearing Undersize (Option 1) | 0.25 | p. 4 |
| Crankpin Bearing Undersize (Option 2) | 0.50 | p. 4 |
| Wire Diameter | 0.6 | p. 5 |
| Starter Voltage | 12V | p. 9 |
| Current Limiter Rating | 15A | p. 9 |
| Fuse Rating | 20A | p. 9 |
| Bulb Voltage | 12V | p. 9 |
| Bulb Wattage | 3.4W | p. 9 |
Yanmar L100N6-MTM, L100N6-METMR Common Problems This Manual Covers
Need to find Yanmar L100N6-MTM undersize main bearing part numbers after engine knocking noise under load p. 1
Check the Cylinder Block exploded view on page 1. Identify the correct main bearing part number for your specific crankshaft grind. The catalog lists options for both 0.25 undersize and 0.50 undersize bearings. Verify your exact journal measurements with a micrometer before ordering the replacement parts.
Manual Section: Cylinder BlockCan not locate the correct oversize piston ring set part numbers for excessive blue exhaust smoke p. 4
Inspect the Crankshaft, Piston & Camshaft diagram on page 4. Locate the specific piston ring set components needed for rebuilding worn cylinders. Select the appropriate part number for either the 0.25 oversize or 0.50 oversize ring set. Match this with your newly machined cylinder bore dimensions.
Manual Section: Crankshaft, Piston & CamshaftTrying to find exact electrical component replacement numbers for a no-start condition and dead battery p. 9
Review the Starting Motor & Dynamo section on page 9. Find the correct replacement part numbers for the 12V starter motor and the 15A current limiter. If the charging system failed completely, locate the 180 dynamo assembly and order a replacement for the blown 20A fuse.
Manual Section: Starting Motor & DynamoFrequently Asked Questions
What are the replacement specifications for Fuel filter?
The manual identifies the fuel filter as "FILTER ASSY, FUEL OIL" with part number 114250-55121. This part is listed as reference number 13 in the Fuel Tank & Fuel Pipe section.
What are the replacement specifications for Air filter?
The air filter element is identified by part number 114210-12590, listed as "ELEMENT ASSY" under reference number 13 in the Air Cleaner & Muffler section. The complete air cleaner assembly is part number 114310-12511.
How do you fix need to find Yanmar L100N6-MTM undersize main bearing part numbers after engine knocking noise under load?
Check the Cylinder Block exploded view on page 1. Identify the correct main bearing part number for your specific crankshaft grind. The catalog lists options for both 0.25 undersize and 0.50 undersize bearings. Verify your exact journal measurements with a micrometer before ordering the replacement parts.
How do you fix can not locate the correct oversize piston ring set part numbers for excessive blue exhaust smoke?
Inspect the Crankshaft, Piston & Camshaft diagram on page 4. Locate the specific piston ring set components needed for rebuilding worn cylinders. Select the appropriate part number for either the 0.25 oversize or 0.50 oversize ring set. Match this with your newly machined cylinder bore dimensions.
How will I receive this Yanmar L100N6-MTM, L100N6-METMR Parts Catalog?
Immediate download of the complete 10-page searchable Parts Catalog. Access it on any device, from a laptop at your desk to a phone in the field.
Can I print specific sections of this manual?
Yes, print as many copies as you want, and there are no restrictions. Many mechanics print the section they need and bring it to the shop floor.
Document Quality
This document is a scanned PDF with an accurate OCR layer, allowing you to search and copy the full text content. The text is crisp and consistently easy to read across all pages. Diagrams and illustrations are clear raster images, with labels generally readable, though some fine print may require zooming. The pages are clean, free from scan artifacts, stains, or skewed content. There are no notable blank or filler pages in this document.
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