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Specifi cations
KohlerEngines.com 20 690 01 Rev. F
CLEARANCE SPECIFICATIONS
3
SV470-SV480 SV530-SV540 SV590-SV620
Cylinder Bore
Cylinder Bore I.D.
New
--- --- 94.010/94.035 mm
(3.701/3.702 in.)
Spec. 00XX: 84.010/84.035 mm
(3.307/3.308 in.)
89.010/89.035 mm
(3.504/3.505 in.)
---
Spec. 01XX: 89.010/89.035 mm
(3.504/3.505 in.)
--- ---
Spec. 02XX or higher: 94.010/94.035 mm
(3.701/3.702 in.)
94.010/94.035 mm
(3.701/3.702 in.)
---
Max. Wear Limit --- --- 94.073 mm
(3.704 in.)
Spec. 00XX: 84.073 mm
(3.310 in.)
89.073 mm
(3.507 in.)
---
Spec. 01XX: 89.073 mm
(3.507 in.)
--- ---
Spec. 02XX or higher: 94.073 mm
(3.704 in.)
94.073 mm
(3.704 in.)
---
Max. Taper
Max. Out of Round
0.05 mm (0.002 in.)
0.12 mm (0.0047 in.)
Cylinder Head
Max. Out-of-Flatness 0.8 mm (0.003 in.)
Governor
Governor Cross Shaft -to-Crankcase Running
Clearance
0.013/0.075 mm (0.0005/0.003 in.)
Cross Shaft O.D.
New
Max. Wear Limit
5.975/6.012 mm (0.2352/0.2367 in.)
5.962 mm (0.2347 in.)
Governor Gear Shaft -to-Governor Gear Running
Clearance
0.09/0.16 mm (0.0035/0.0063 in.)
Gear Shaft O.D.
New
Max. Wear Limit
5.99/6.00 mm (0.2358/0.2362 in.)
5.977 mm (0.02353 in.)
Ignition
Spark Plug Gap 0.76 mm (0.030 in.)
Module Air Gap 0.203/0.305 mm (0.008/0.012 in.)
Oil Pump
Pump Gears-to-Crankcase Side Clearance 0.165/0.315 mm (0.0065/0.0124 in.)
Piston, Piston Rings, and Piston Pin
Pin Bore I.D.
New
Max. Wear Limit
22.006/22.012 mm (0.8685/0.8666 in.)
22.025 mm (0.8671 in.)
Pin O.D.
New
Max. Wear Limit
21.995/22.0 mm (0.8659/0.8661 in.)
21.994 mm (0.8658 in.)
Top Compression Ring-to-Groove Side Clearance 0.04 mm (0.0016 in.)
Middle Compression Ring-to-Groove Side
Clearance
0.04 mm (0.0016 in.)
3
Values are in Metric units. Values in parentheses are English equivalents.