1970 Evinrude Ski-Twin 33 HP Service Repair Manual P/N 4687, Page 24Get this manual
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Figure 3-26 Removing Hose Clamp
C AMP A OSE
O UT VA VE MP
Figure 3-28"0" Ring Tools
SP CO NI': TOR HO US ING
Figure 3-30 Primer Bulb and Hose