kia ora<br />i have a 7.5 hp chrysler mod. 72h9b, ser.a219<br />can anyone advise what yr this is?<br />also, when idling very little water is ejected from the outlet<br />with the bottom leg removed, and a garden hose forcing water into the motor, there appears to be water coming thru the exhaust region<br />is this normal, or is there some seal that has gone kaput, causing the motor to receive insufficient water?<br />if so, is it a straightforward job removing the powerhead?<br />anything to look out for?<br />the impeller has seen better days, where would it be possible to buy a new one?<br />any other engine impellers that fit?<br />i have an engineering background, so mechanical inards don't daunt me<br />thanks in advance<br />te aroha<br />shalom<br />bill