1978 Johnson 175, 200, 235 HP Outboard Service Repair Manual P/N JM-7810, Page 74Get this manual
Quality of the image is intentionally reduced!
gRv two exhaust board See Figure 5-15
Figure 5-15 Frol1t to Rear Exhaust
l1uts at
head to exhaust housil1g adapter of powel' 11eadSee Figu 5-18 Tl1 ere l1uts 011 tl1e 2