Part of the Yanmar Operator Manuals.
You pull the recoil handle, the engine spins over, and nothing fires. On a single cylinder Yanmar diesel that almost always comes down to fuel delivery or air supply, and the troubleshooting chart in this operator manual tells you which to check first, instead of leaving you to guess with no dealer nearby and no one to ask.
The 112 page PDF is Yanmar publication 0ALV00-U0000 for the LV series engines, L48V, L70V, and L100V, built from 2004 to 2007. It gives you diesel fuel and engine oil specifications, recoil and electric starting procedures, the full maintenance schedule with intervals and genuine part numbers for the oil, fuel, and air cleaner elements, a fastener torque table, and long term storage steps.
With 147 bookmarks in the file, you can go from symptom to the Troubleshooting chart or the Specifications tables in a couple of clicks, whether the engine is still in its machine or stripped on your bench.
Complete the set for your L48V, L70V, L100V
- Parts Catalog: Yanmar L100V Diesel Engine Parts Catalog
What's Inside This Operator Manual
| System | Pages | Key Topics |
|---|---|---|
| Introduction | 5-6 | Record of Ownership |
| Yanmar Warranties | 7-12 | Yanmar Limited Warranty (What Is Covered by This Warranty?, How Long Is the Warranty Period?, What the Engine Owner Must Do:, To Locate an Authorized Yanmar Industrial Engine Dealer or Distributor:, What Yanmar Will Do:, What Is Not Covered by This Warranty?, Warranty Limitations:, Warranty Modifications:, Questions:, Retail Purchaser Registration) |
| Safety | 17-30 | Safety Statements, Safety Precautions (Before You Operate, During Operation and Maintenance) |
| Product Overview | 31-40 | Yanmar Lv Series Engine Features and Applications, Component Identification, Location of Labels, EPA / Arb Emission Control Regulations - Usa Only |
| Before You Operate | 41-52 | Diesel Fuel, Diesel Fuel Specifications, Filling the Fuel Tank, Engine Oil, Engine Oil Specifications, Engine Oil Viscosity, Checking Engine Oil, Adding Engine Oil |
| Engine Operation | 53-68 | Starting the Engine (Recoil Start, Electric Start), Check the Engine During Operation, Adjust Engine Speed |
| Periodic Maintenance | 69-100 | Precautions (Importance of Periodic Maintenance, Performing Periodic Maintenance, Importance of Daily Checks, Keep a Log of Engine Hours and Daily Checks, Yanmar Replacement Parts, Tools Required, Ask Your Authorized Yanmar Industrial Engine Dealer or Distributor for Help, Required EPA / Arb Maintenance - Usa Only, EPA / Arb Installation Requirements - Usa Only, Tightening Fasteners) |
| Troubleshooting | 101-104 | Troubleshooting Chart, Troubleshooting Information |
| Long Term Storage | 105-108 | Before You Place the Engine in Long Term Storage, Returning the Engine to Service |
| Specifications | 109-112 | General (Model Number, Engine Speed Specifications, Engine General Specifications), Principal Engine Specifications, Engine Specifications |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| All Models | ||
| Outlet Fuel Filter Replacement Interval | Every 200 hours | p. 82 |
| Outlet Fuel Filter Part Number | 114250-55121 | p. 96 |
| Air Cleaner Element Cleaning/Replacement Interval | Every 50 hours (more frequent in dusty conditions) | p. 82 |
| Engine Oil Filter Cleaning/Replacement Interval | 1st time (Every 50 hours), 2nd & after (Every 200 hours) | p. 82 |
| Engine Oil Filter Part Number | 114250-35070 | p. 91 |
| Fuel Injection Nozzle Inspection/Cleaning/Testing Interval | Every 1500 hours | p. 98 |
| Number of Cylinders | 1 | p. 111 |
| L48V | ||
| Air Intake Restriction Limit | 0.10 psi (0.69 kPa; 70 mm Aq) or less | p. 78 |
| L48V Displacement | 13.4 cu. in (0.219 L) | p. 111 |
| L48V Engine Oil Pan Capacity (Upper Limit) | 0.85 qt (0.8 L) | p. 111 |
| L70V | ||
| L70V Displacement | 19.5 cu. in (0.320 L) | p. 111 |
| L100V | ||
| L100V Displacement | 26.5 cu. in (0.435 L) | p. 111 |
















