1978 Johnson 175, 200, 235 HP Outboard Service Repair Manual P/N JM-7810, Page 25Get this manual
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iRemove sixteen screws and intake manifold See
1 Fuel retaining screws
2 Choke solenoid 3 Throttle
Figure 3-8 Fuel Pumps and Hoses
1 Throttle 2 Fuel pumps