Part of the Yanmar Parts Manuals.
An injection pump off a Yanmar 3TNE82A-BVA breaks down into more pieces than you expect: plunger with barrel, control rack and pinion, its own camshaft, and a governor case packed with weights, springs, and levers behind it. When one of those pieces is worn and the engine is on the stand, you need the exact Yanmar part number, not a guess.
This parts catalog, Yanmar publication Y00B5912, covers the 3TNE82A-BVA, including the VIO30-1 specification. Thirty-four pages of exploded diagrams run through the whole engine: cylinder block, crankshaft and pistons, cylinder head, camshaft and gear train, lubricating oil and cooling water systems, the full fuel circuit, starting motor, generator, and the optional gasket set.
Rebuilding alone with no dealer counter to lean on, you match each item in the diagram to its part number and order everything in one pass. Sixteen bookmarked sections put the assembly on your bench one click away.
What's Inside This Yanmar 3TNE82A-BVA, 3TNE82A-BVA (VIO30-1), VIO30-1 Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Cylinder Block | 3-4 | Block Assy, Cylinder, Plug, Main Bearing, Thrust Bearing, Gasket Head |
| Gear Housing | 5-6 | Housing Assy, Gear, Oil Seal, Gears Housing Flange, O-Ring, Bolt |
| Flywheel Housing & Oil Sump | 7-8 | Flywheel Housing, Oil Sump, Drain Plug, Oil Seal, Seal Washer |
| Cylinder Head & Bonnet | 9-10 | Cylinder Head Assy, Valve Guide, Rocker Arm Shaft, Bonnet Assy, Bonnet Gasket, O-Ring |
| Suc.& Exh.Manifold | 11-12 | Suction Manifold, Exhaust Manifold, Manifold Gasket, Air Heater, Silencer |
| Camshaft & Drive Gear | 13-14 | Camshaft Assy, Push Rod, Camshaft Gear, Idle Gear, Tappet |
| Crankshaft & Piston | 15-16 | Crankshaft Assy, Crankshaft Gear, Piston Assy, Piston Ring Set, Connecting Rod Assy, Crankpin Bearing |
| Lub. Oil System | 17-18 | Lub. Oil Pump Assy, Oil Dipstick, Oil Filter, Oil Pressure Switch, Lub. Oil Pipe, Seal Washer |
| Cooling Water System | 19-20 | Pump C.W., O-Ring, Gasket C.W. Pump, V-Belt, Fan Cooling, Thermostat |
| Fuel Injection Pump | 21-22 | Pump Assy F.I.Pump, Gasket, Camshaft, Plunger W/Barrel, Rack Control, Pinion Control |
| Governor | 23-24 | Case Governor, Weight Assy Gov., Shaft Assy Control, Lever Assy Governor, Spring Governor, Solenoid |
| Fuel Injection Pipe | 25-26 | Valve Assy F.Inject, Nozzle Assy F.Inject, Holder Assy Nozzle, Pipe Fuel Injection, Clamp, Pipe Fuel Return |
| Fuel Pipe | 27-28 | Strainer Assy Fuel, Valve Taper, Element, Cup Strainer, Pipe Fuel, Pipe Fuel Oil |
| Starting Motor | 29-30 | Starter, Armature Assy, Yoke Assy, Brush Holder Assy, Internal Gear, Magnetic Switch Assy |
| Generator | 31-32 | Washer Spring, Stator, Coupler, Ball Bearing, Flywheel Assy |
| Gasket Set(Optional) & Tool | 33-34 | (Non.Asb.), Gasket Head, O-Ring F.I.Pump, Gasket Bonnet, Gasket Exh.Manifold, Gasket Liquid |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Drain Plug Thread Size | M22 | p. 6 |
Yanmar 3TNE82A-BVA, 3TNE82A-BVA (VIO30-1), VIO30-1 Common Problems This Manual Covers
Hard starting from fuel starvation
Hard starting and no-starts on these engines often trace back to a clogged strainer element or contaminated fuel rather than the pump itself. The Fuel Pipe section itemizes the fuel strainer assembly, element, cup, taper valve, and supply and return lines so you can renew the entire supply side in one order.
Manual Section: Fuel Pipe p. 27Worn injection pump plunger
A worn plunger and barrel gives weak, uneven injection: long cranking, white smoke, and power that never comes back. The Fuel Injection Pump section breaks the pump assembly down to the plunger with barrel, rack control, pinion control, camshaft, and gaskets so you can identify exactly what to replace.
Manual Section: Fuel Injection Pump p. 21Dribbling or stuck injector nozzles
Dirty fuel eventually ruins nozzles, showing up as white smoke, rough running, and a raw fuel smell. This section lists the injection valve assembly, nozzle assembly, nozzle holder, injection pipes, clamps, and the fuel return pipe.
Manual Section: Fuel Injection Pipe p. 25Overheating and coolant loss
Overheating on the 3TNE82A-BVA usually means a tired cooling water pump, a stuck thermostat, or a slipping V-belt. All of them appear in the Cooling Water System section along with the cooling fan, pump gasket, and O-rings for a proper reseal.
Manual Section: Cooling Water System p. 19Low oil pressure warnings
Low oil pressure from a neglected filter or contaminated oil will take out main and rod bearings fast. The Lub. Oil System section covers the lubricating oil pump assembly, oil filter, oil pressure switch, dipstick, oil pipes, and seal washers.
Manual Section: Lub. Oil System p. 17Blue smoke past worn valve guides
Blue smoke after long service or a rushed overhaul often points to worn valve guides letting oil into the chamber. The Cylinder Head & Bonnet section lists the head assembly, valve guides, rocker arm shaft, bonnet assembly, and the gaskets and O-rings needed to close it back up.
Manual Section: Cylinder Head & Bonnet p. 9Starter clicks but will not crank
When the starter clicks and does nothing, the magnetic switch or brushes are the usual suspects. Rather than buying a whole starter, this section breaks it into the armature assembly, yoke assembly, brush holder assembly, internal gear, and magnetic switch assembly.
Manual Section: Starting Motor p. 29Frequently Asked Questions
Which engine does this parts catalog cover?
It covers the Yanmar 3TNE82A-BVA diesel engine, including the VIO30-1 specification, under Yanmar publication number Y00B5912. Wherever your engine is installed, the exploded views and part numbers apply to the engine itself, from cylinder block through fuel system to starting motor and generator.
Is this a workshop manual with torque specs and rebuild procedures?
No. This is the factory parts catalog: exploded diagrams with Yanmar part numbers for identifying and ordering components. It does not include disassembly procedures, clearances, or torque sequences, so pair it with a service manual when you are setting bearing clearances or torquing the head.
Can I identify fuel injection pump and governor parts?
Yes. The Fuel Injection Pump section itemizes the pump down to the plunger with barrel, rack control, and pinion control, and the Fuel Injection Pipe section lists nozzle assemblies, holders, and lines. The Governor section covers the governor case, weight assembly, control shaft, levers, springs, and solenoid. p. 21
Does it list a complete gasket set for an overhaul?
Yes. The Gasket Set(Optional) & Tool section lists the optional non-asbestos gasket set, including the head gasket, bonnet gasket, exhaust manifold gasket, injection pump O-rings, and liquid gasket, so you can order sealing parts as a set instead of piece by piece. p. 33
How quickly can I access this Yanmar 3TNE82A-BVA manual after buying?
You get a 34-page searchable PDF that downloads instantly after checkout. Open it on your laptop, tablet, or phone, and bring it right to the shop floor.
Is this Yanmar 3TNE82A-BVA Parts Catalog printable?
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.
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