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Yamaha YZF-R6 service data (1999–2002)
Every figure here is printed in the Yamaha YZF-R6 service manual we sell, in the section named under each table. Where the manual does not state a number plainly, the row is left out rather than guessed.
Engine
| Layout | Liquid-cooled, four-stroke, DOHC, four cylinders |
|---|---|
| Displacement | 600 cm³ |
| Bore × stroke | 65.5 × 44.5 mm |
| Compression ratio | 12.4 : 1 |
| Idle speed | 1 250 – 1 450 r/min |
| Compression pressure | 1 550 kPa at 400 r/min |
| Fuel tank | 17 L, of which 3.5 L reserve |
Source: Yamaha YZF-R6 Service Manual 1999-2002, Engine specifications, printed page 2-2 (PDF page 7).
Valve clearance, measured cold
| Inlet | 0.11 – 0.20 mm |
|---|---|
| Exhaust | 0.21 – 0.30 mm |
Source: Yamaha YZF-R6 Service Manual 1999-2002, Valve clearance specification, printed page 2-5 (PDF page 10).
Oil and coolant capacity
| Oil, total | 3.5 L |
|---|---|
| Oil, with filter change | 2.7 L |
| Oil, without filter change | 2.5 L |
| Oil pressure (hot) | 80 kPa at 1 300 r/min |
| Radiator | 2.18 L |
| Coolant reservoir | 0.44 L |
| Radiator cap opening pressure | 110 – 140 kPa |
Source: Yamaha YZF-R6 Service Manual 1999-2002, Engine specifications, printed pages 2-2 and 2-3 (PDF pages 7 and 8).
Ignition
| Spark plug | NGK CR10EK × 4 (CR9EK in California) |
|---|---|
| Spark plug gap | 0.6 – 0.7 mm |
Source: Yamaha YZF-R6 Service Manual 1999-2002, Engine specifications, printed page 2-3 (PDF page 8).
Torque settings you use most
| Spark plugs | 13 N·m |
|---|---|
| Engine oil drain bolt | 43 N·m |
| Oil filter bolt | 80 N·m |
| Camshaft sprocket | 24 N·m |
| Camshaft caps | 10 N·m |
| Cylinder head cover | 10 N·m |
| Generator rotor | 65 N·m |
| Exhaust pipe nuts | 20 N·m |
Source: Yamaha YZF-R6 Service Manual 1999-2002, Engine tightening torques, printed page 2-19 (PDF page 24).
The manual these figures come from
Figures apply to 1999–2002. Other years differ; check the manual for your own model year before you torque anything.