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Ok guys I got the waterpump changed but I could not find in my book what the plugs are gapped,and cannot find the torque specs for the impeller cover,? I’m thinking 11 falls????
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Gap info is in this FAQ topic - Oil, Battery, Spark Plugs, Fuel and Fuel Additive Recommendations
.032 - .033 for 75 - 115hp Optimax. Post #4 in the previously linked water pump topic says 40in lbs for cover. 
Last edited by SilverFox579; 03-05-2024 at 07:07 AM.
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Phil
'09 Hewescraft ProV
'09 150 Optimax
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Need some quick advice ,I got the pump changed and put the power back up no problem with a small tun of the flywheel but when I put it in foward I can turn the prop and get clicking I put in nuetral no problems put in reverse it locks like I guess it should I dropped it down and checked everything and there’s no way I missed the gear housing because it is enclosed in the lower unit making it impossible to move ,is the clicking normal? I can’t put the hose on it yet because it’s 35 degrees today and I kinda think it was like this from new? What say you please?
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I'm not personally familiar with 1.5L Optimax lower so will defer to the pros for response.
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Phil
'09 Hewescraft ProV
'09 150 Optimax
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Mercury 3L/4 Stroke/Verado Moderator
In FORWARD the prop should lock COUNTER-CLOCKWISE. In Reverse, it should lock CLOCKWISE.
In neutral, it should spin FREELY.
If you turn the prop the wrong way in FORWARD, it may ratchet the clutch dog.
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Good deal thank you sir I got it right then,I know when I did my 175 ego it locked both way i appreciate your help
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