Part of the Yanmar Parts Manuals.
When an L100V is in pieces on the bench, the argument is never about how to put it back together, it is about which part number goes in the box before you start. This parts catalog settles that: it is the Yanmar factory book for the L100V air-cooled diesel, specification code L100V1NJ1F2CAAN, serial prefix 1294291001, publication 0CC50-M02630.
Thirty pages of exploded views walk the whole engine: cylinder block, cylinder head and bonnet, camshaft, crankshaft, piston and connecting rod, balancer shaft, oil pump and governor, injection pump and injection valve, fuel tank and piping, recoil starter, starter motor, dynamo, and the complete gasket set. Every callout keys to a Yanmar part number, so the order you place is the order that fits.
And because it is a PDF, the book travels: on a phone at the parts counter or a laptop beside the stand, the diagrams are wherever the engine happens to be.
What's Inside This Yanmar L100V, YANMAR L100V, L100V1NJ1F2CAAN Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Cylinder Block | 4 | Cylinder Block Assy, Head Gasket, Pump Shim Set, Pump Cover, Cover Gasket, Case Cover Gasket, Crankcase D Cover, Main Bearing |
| Drain Plug | 5 | Oil Supply Cap Assy, Drain Nipple, Plug, O-Ring |
| Label | 6 | Caution Label, Yanmar Mark A Label, How To Start Label, Yanmar Mark B Label, Diesel Label, Hot Surface Label, Control Label |
| Cylinder Head & Bonnet | 7 | Cylinder Head, Valve Spring, Spring Retainer, Ring, Valve Stem Seal, Valve Cap, Nozzle Protector, Nozzle Seat |
| Air Cleaner | 8 | Air Cleaner Gasket, Air Cleaner Assy, Cleaner Body Assy, Cleaner Cover Assy, Element Assy, Knob |
| Exhaust Muffler | 9 | Muffler Gasket, Muffler Assy, Devsa Muffler, Muffler A Cover, Muffler B Cover, Muffler C Cover |
| Camshaft | 10 | Tappet, Roller Tappet Assy, Push Rod Assy, Camshaft Assy |
| Crankshaft | 11 | CRANKSHAFT(DEPAC Asy), Washer, Pulley, Key, Bolt |
| Flywheel | 12 | De Flywheel Assy, Ring Gear, Nut, Washer |
| Piston & Connecting Rod | 13 | D Piston Assy, Piston Ring Set, Seeger J23 Ring, Piston Assy, Crank Pin Metal Assy, Piston Pinn Bush |
| Balancer Shaft | 14 | Shaft Assy, Balancer, Bearing, Ball |
| Lub. Oil Pump & Governor | 15 | Oil Pump Assy, Oil Pump Cover, Oil Filter Assy, Governor Lever Assy, Needle Bearing, Oil Seal, Governor Assy, Governor Weight Assy |
| Switch(Oil Pressure) | 16 | - |
| Cover | 17 | Top Cover Assy, Decompression Label, Tank Grommet, Collar, Side B Cover, Side A Cover, Seal Rubber, Top Cover Spacer |
| Cooling Fan Case | 18 | Fan Case Rubber, Fan Case Collar, Fan Case Seal |
| Fuel Injection Pump & Fuel Injection Valve | 19 | 1VBD Fop Assy, Injection Valve Assy, Nozzle Holder Assy, Nozzle Spring, Spring Seat, Valve Stop Spacer, Injection Pipe Assy, Pipe Support |
| Fuel Tank & Fuel Pipe | 20 | Fuel Oil Filter Assy, Gasket, Fuel Tank A Stay, Fuel Tank B Stay, Fuel Cock Assy, 8X1 Gasket, Fuel Tank Cap Assy, Fuel Tank Strainer |
| Control Device | 21 | Control Label, Handle Bracket Assy, Regulator Handle, Handle Shaft, Handle Spring, Friction Plate, Regulator Spring, Return Spring |
| Recoil Starter | 22 | Recoil Starter Assy, Starter Case, Recoil Starter Reel, Ratchet, Spiral Spring, Ratchet Guide, Friction Spring, Starter Knob |
| Starter Motor | 23 | Starter Motor Assy, Pinion Clutch Assy, Magnet Switch Assy, Armature Assy, Yoke Assy, Rear Cover Assy, Rear Bush, Brush Holder Assy |
| Electric Parts | 24 | Regulator Assy, Harness Bracket, 20A Fuse, Screw |
| Dynamo | 25 | 15A Dinamo Assy, Stator Assy, Dynamo Wheel, Clamp |
| Gasket Set | 26 | Head Gasket, Case Cover Gasket, Cover Gasket, Bonnet Gasket, Valve Stem Seal, Nozzle Gasket, Air Cleaner Gasket |
Yanmar L100V, YANMAR L100V, L100V1NJ1F2CAAN Common Problems This Manual Covers
Cranks but will not start
Air in the fuel system or a worn injection pump leaves an L100V spinning without firing. The injection diagrams identify the pump assembly, injection valve, nozzle, and nozzle holder by part number, so you replace the right piece the first time.
Manual Section: Fuel Injection Pump & Fuel Injection Valve p. 19Fuel starvation from dirty filter
Sediment in the tank plugs the fuel filter and cock, and the engine starts, runs a moment, then dies. This section shows the fuel oil filter assembly, fuel cock assembly, tank cap, and piping so you can renew the entire supply path in one order.
Manual Section: Fuel Tank & Fuel Pipe p. 20Dynamo stops charging the battery
A battery that will not hold charge on an electric-start engine often traces back to the charging side. The Dynamo section breaks out the dynamo assembly, stator, and cord, and the neighboring Electric Parts section carries the regulator, harness, and 20A fuse.
Manual Section: Dynamo p. 25Recoil starter rope or ratchet failure
Pull starts wear out ropes, ratchets, and recoil springs long before the engine itself is tired. The exploded view shows the starter assembly, case, reel, ratchet, and spring so you can rebuild the unit instead of buying a complete replacement.
Manual Section: Recoil Starter p. 22Low oil pressure warning
A tired oil pump or a clogged filter will trip the pressure switch and shut the job down. This section diagrams the pump assembly, cover, O-rings, oil filter assembly, and governor assembly so the whole oiling side goes back together with fresh parts.
Manual Section: Lub. Oil Pump & Governor p. 15Power loss from a choked air cleaner
An air-cooled diesel working in dust eats air cleaner elements, and a starved intake shows up as smoke and weak output. The catalog lists the cleaner assembly, body, cover, and gasket so the replacement seals the way the factory intended.
Manual Section: Air Cleaner p. 8Blow-by and oil use from worn rings
High hours announce themselves as blow-by and climbing oil consumption. The bottom-end diagrams list the piston assembly, ring set, pin, connecting rod assembly, bolts, and bush, everything you need to spec out a refresh before the crank comes out.
Manual Section: Piston & Connecting Rod p. 13Frequently Asked Questions
Which engine does this parts catalog cover?
It covers the Yanmar L100V diesel engine, specification code L100V1NJ1F2CAAN, serial numbers from prefix 1294291001, under Yanmar publication number 0CC50-M02630. Match the code on your engine nameplate against these before buying, since L100-family variants use different part listings.
Is this a service manual with torque specs and procedures?
No. This is the factory parts catalog: exploded diagrams with Yanmar part numbers for every assembly from the cylinder block to the dynamo. It does not include torque values, clearances, or step-by-step repair procedures. Use it to identify and order the correct components during a rebuild.
Does it cover both recoil and electric starting?
Yes. The Recoil Starter section breaks down the pull starter case, reel, ratchet, and spring, and the Starter Motor section that follows covers the electric starter assembly, pinion clutch, magnet switch, armature, and yoke. p. 22
Can I order gaskets for a full teardown from this book?
Yes. The Gasket Set section lists the complete set along with individual pieces such as the head gasket, tappet O-rings, and case cover gasket, so you can order the full kit or only the seals your job disturbs. p. 26
How will I receive this Yanmar L100V Parts Catalog?
You get a 30-page searchable PDF that downloads instantly after checkout. Open it on your laptop, tablet, or phone, and bring it right to the shop floor.
Are there any print restrictions on this manual?
The PDF is DRM-free. Print whatever sections you need to take out to the shop. Standard letter or A4 paper works.
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