Every component of your 2003 Yanmar engine is mapped out in this 21-page Yanmar 3TNV82A-M5FA parts catalog PDF (OEM #Y00V9010). You get crystal-clear exploded views for the entire block, from the gear housing down to the inner components of the fuel injection pump. Open to the exact assembly you are working on, cross-reference the factory part numbers, and verify how the cylinder head and bonnet fit together. Identify the exact M22 drain plug for the oil sump or confirm the L.O. pressure switch is rated for 0.5KG before placing your parts order. Stop ordering the wrong components from aftermarket catalogs. Download this bookmarked file, pull it up on your shop tablet, and get the right hardware on the first try.
What's Inside This Yanmar 3TNV82A-M5FA Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Cylinder Block | 3 | Block Assy, Cylinder, Plug, Bush, Camshaft, Metal, Main, Bearing |
| Gear Housing | 4 | Housing Assy, Gear, Seal, Oil, Cover Assy, Pump, Valve, Relief |
| Flywheel Housing & Oil Sump | 5 | Housing, Flywheel, Cap, Flywheel Cover, Oil Sump, Drain Plug, Case Assy, Oil Seal |
| Cylinder Head & Bonnet | 6 | Lifter, Engine, Shaft Assy, Rocker, Head Assy, Cylinder, Valve, Intake |
| Suction Manifold & Air Cleaner | 7 | Manifold, Intake, Gasket, Int. Manifold, Cleaner Assy, Air, Element, Outer |
| Exhaust Manifold & Silencer | 8 | Manifold, Exhaust, Gasket, Exh. Manifold, Silencer, Stay, Clamp |
| Camshaft & Driving Gear | 9 | Tappet, Camshft Assy, Gear, Camshaft, Shaft, Idle Gear, Gear Assy, Idle |
| Crankshaft & Piston | 10 | Crankshaft Assy, Gear, Crankshaft, V-Pulley, Piston Wiring, Ring Set, Piston |
| Lub.Oil System | 11 | Dipstick, Oil Inlet, Oil Cooler, Oil Filter, Drain Plug, Cooler Pipes |
| Cooling Water System | 12 | Water Pump, Thermostat, Fan, V-Belt, V-Pulley, Cooling Pipes |
| Fuel Injection Pump | 13 | Pump Assy, Delivery Valve, Lifter, Timer Set, Feed Pump |
| Fuel Injection Valve | 14 | Fuel Injector, Nozzle, Holder, Nozzle Spring, Shim Pack, Injection Pipe |
| Fuel Line | 15 | Fuel Filter, Fuel Pipe, Fuel Pump, Fuel Separator |
| Starting Motor | 16 | Starter, Magnetic Switch, Armature, Brush Holder, Planet Gear, Pinion |
| Generator | 17 | Rotor, Pulley, Regulator, Brush, Adjuster Belt |
| Gasket Set | 18 | Gasket, O-Ring, Seal, Wrench, Driver, Flex Horn |
| Fuel Injection Pump (Inner Parts) | 19-20 | Valve Assy, Dilevery, Timer Set, Piston, Damper Assy, Pump Assy, Feed, Seal Washer |
| Governor (Inner Parts) | 21 | Lever, Regulator, Bolt, Idle Limit, Retainer, Shaft, Solenoid, Stop |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Parallel Pin | 8x16mm | p. 5 |
| Drain Plug | M22 | p. 5 |
| Spring Pin | 6x12mm | p. 6 |
| L.O. Switch Pressure | 0.5KG | p. 11 |
| Key | 7x14mm | p. 9 |
| Woodruff Key | 4x16mm | p. 19 |
Yanmar 3TNV82A-M5FA Common Problems This Manual Covers
Yanmar 3TNV82A-M5FA engine won't start without brake clean and blows white smoke puffs but no combustion p. 19
Inspect the fuel injection pump inner parts exploded view on page 19 to locate the correct replacement timer set. Verify the fitment of the 4x16mm woodruff key on the feed pump shaft. Cross-reference the seal washer part numbers before ordering replacements.
Manual Section: Fuel Injection Pump (Inner Parts)Excessive oil consumption and low oil pressure fault code triggering at idle p. 11
Check the Lub.Oil System diagram on page 11 to identify the correct oil filter and cooler pipe part numbers. Locate the L.O. switch rated for 0.5KG pressure in the parts list. Order the exact matching drain plug and dipstick assembly for your serial number.
Manual Section: Lub.Oil SystemHeavy oil leak from the bottom of the engine block near the flywheel housing p. 5
Review the flywheel housing and oil sump diagram on page 5. Find the correct M22 drain plug and matching oil seal part numbers for your unit. Identify the 8x16mm parallel pins in the parts list to ensure proper alignment when reinstalling the case assembly.
Manual Section: Flywheel Housing & Oil SumpLoud knocking noise from the front gear cover and erratic valve timing p. 9
Examine the camshaft and driving gear exploded view on page 9. Locate the replacement idle gear assembly and camshaft part numbers. Verify the required 7x14mm key in the parts list to secure the gear properly. Match the tappet part numbers to your specific block configuration.
Manual Section: Camshaft & Driving GearEngine starts fine at idle but drops RPM and purges at half throttle p. 6
Search the cylinder head and bonnet section on page 6 for correct intake valve and rocker shaft assembly numbers. Identify the specific 6x12mm spring pin required for the engine lifter mechanism. Confirm the head gasket and bonnet cover part numbers match your exact build specifications.
Manual Section: Cylinder Head & BonnetFrequently Asked Questions
How do you fix yanmar 3TNV82A-M5FA engine won't start without brake clean and blows white smoke puffs but no combustion?
Inspect the fuel injection pump inner parts exploded view on page 19 to locate the correct replacement timer set. Verify the fitment of the 4x16mm woodruff key on the feed pump shaft. Cross-reference the seal washer part numbers before ordering replacements.
How do you fix excessive oil consumption and low oil pressure fault code triggering at idle?
Check the Lub.Oil System diagram on page 11 to identify the correct oil filter and cooler pipe part numbers. Locate the L.O. switch rated for 0.5KG pressure in the parts list. Order the exact matching drain plug and dipstick assembly for your serial number.
How do you fix heavy oil leak from the bottom of the engine block near the flywheel housing?
Review the flywheel housing and oil sump diagram on page 5. Find the correct M22 drain plug and matching oil seal part numbers for your unit. Identify the 8x16mm parallel pins in the parts list to ensure proper alignment when reinstalling the case assembly.
How do you fix loud knocking noise from the front gear cover and erratic valve timing?
Examine the camshaft and driving gear exploded view on page 9. Locate the replacement idle gear assembly and camshaft part numbers. Verify the required 7x14mm key in the parts list to secure the gear properly. Match the tappet part numbers to your specific block configuration.
How quickly can I access this manual after buying?
Immediate download of the complete 21-page searchable Parts Catalog. Access it on any device, from a laptop at your desk to a phone in the field.
Can I print 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, featuring an OCR layer that allows you to search and copy the full text. The OCR-generated text is crisp, though some original scanned text in the parts lists appears slightly faded or less sharp. Diagrams and illustrations are raster images, meaning they will pixelate when zoomed in, but their labels remain generally readable. Pages are mostly clean with minor scan artifacts, and some exhibit a slight skew, which does not impact the content's readability. There are no notable blank or filler pages present.
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