Kohler 4EFOZ/5EOZ, 8.5EFOZ, 9EFOZ/10EOZ, 80EFOZ/99EOZ Typical Mid and Below Waterline Installation

	2
	3		7	8
				9
					10
1
21		6
		5
Waterline	19	4			11
20			16
					12
	18
				15
					13
		17		14	TP-5856-4

1.Mounting base

2.Retaining cap

3.Reed valve assembly

4.Maximum silencer vertical lift of 1.2 m (4 ft.)

5.Exhaust mixer elbow distance above waterline; if less than 23 cm (9 in.), a siphon break is required

6.Minimum siphon break distance above waterline of 30.5 cm (1 ft.)

7.Siphon break

8.Exhaust mixer elbow

9.Heat exchanger (locations vary by model)

10.Coolant recovery tank (located on the unit on some models)

11.Indicates the coolant recovery tank is at the same height as the heat exchanger

12.Seawater strainer

13.Seacock

14.Intake strainer

15.Engine-driven seawater pump

16.Minimum exhaust hose pitch of 1.3 cm per 30.5 cm (0.5 in. per ft.)

17.Maximum distance between silencer and exhaust mixer elbow of 3 m (10 ft.)

18.Silencer (customer-supplied)

19.Minimum exhaust hose pitch of 1.3 cm per 30.5 cm (0.5 in. per ft.)

20.Minimum exhaust outlet distance above waterline of 10 cm (4 in.)

21.Exhaust hose (see Figure 4-7 for hose sizes)

Note: Read the text for complete explanation of dimensions and other installation considerations.

Note: Use two hose clamps on each end of all flexible exhaust hose connections.

Note: Data applies to both rear- and side-exhaust installations.

Figure 4-6 Typical Mid and Below Waterline Installation

		Exhaust Hose
		Diameter
Models without Sound Shield	Models with Sound Shield	mm (in.)
3.5/4/6.5/8.5/9EFOZ	4/6.5/8.5/9/11/11.5/13/16/17.5/19/20EFOZ
4/5/8/10EOZ	5/8/10/13/14/15.5/20/23/24EOZ	51	(2.0)
11/11.5/13/16/17.5/19/20/23/27EFOZ	27EFOZ
13/14/15.5/20/23/24/28/32EOZ	32EOZ	76	(3.0)
33EFOZ	33EFOZ
40EOZ	40EOZ	89	(3.5)
40/55/70/80/100/125EFOZ	40/55/70/80/100/125EFOZ
50/65/80/99/125/150EOZ	50/65/80/99/125/150EOZ	102	(4.0)

Figure 4-7 Exhaust Hose Sizes

TP-6069 6/03 Section 4 Exhaust System 15