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Tubs.
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June 28, 2025 at 9:35 am #297643
Good morning all, looking for a two blade for the kg7. What is the rotation of the prop left or right will a two blade prop make me go faster? Still looking for QS gear box and parts. Any information is helpful. Thanks
June 28, 2025 at 10:22 am #297652- Counter clockwise
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June 28, 2025 at 2:04 pm #297699I have a KG7 and a bunch of props for it. I think the props are left hand rotation because the water pump cover is removed with a right hand rotation. I learned this many years ago when I replaced the water pump impeller and made the special Mercury tool to remove and replace the water pump cover. I ran the motor many times on my Model R Alumacraft but I can’t remember which prop was fastest. Of course that will depend on the size, weight, and hull design of your boat.
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June 28, 2025 at 2:24 pm #297704Yeah I should have figured that out myself, for that exact reason. What prop do you think would be best? I built a Crandall Midget Flyer 10’
June 28, 2025 at 9:35 pm #297725Good morning all, looking for a two blade for the kg7. What is the rotation of the prop left or right will a two blade prop make me go faster? Still looking for QS gear box and parts. Any information is helpful. Thanks
A "Boathouse Repair" is one that done without having tools or the skills to do it properly.
June 29, 2025 at 2:24 pm #297756Best prop. boat, motor combination depends on purpose….serious race competitors keep a full rack of alternatives in hopes one might be
better than the others on a given day, A fits all prop would keep motoer within power band and not lug or overspeed… most users would be ok with that. Mercury warranty was void if motor was used with an unapproved prop… one made by Mercury and listed as
for that motor. Warranty was not
all that great… 90 days and
factory had final say it motor or
user was at fault. Mercur sold
speed and performance. Extensive testing at Lake X on various boat
brands resulted in the Boat House
Bulletins listing Mercury motor and Mercury propeller combinations suitable for various
brand and models of boats, A Mercury dealer could sell the complete package with confidence
he was dong right by the customer.
Opinion no cash value
LouisJune 29, 2025 at 6:46 pm #297763Remember: Righty tighty, Lefty lucy Except for the KG WATERPUMP cover, left handed threads so it doesn’t unscrew while running.
What app is the mptor used on?June 30, 2025 at 9:40 am #297766Tub’s thanks, now use the chart to find a prop. Your stuff always looks great, an inspiration.
June 30, 2025 at 10:03 am #297767Yeah I should have figured that out myself, for that exact reason. What prop do you think would be best? I built a Crandall Midget Flyer 10’
A bit off topic, but how long did it take you to build the midget flyer? I was looking into building one.
"Outboards seem to multiply exponentially..........I find that for every finished project, there are two more waiting to be completed."
June 30, 2025 at 3:37 pm #297772Tub’s thanks, now use the chart to find a prop. Your stuff always looks great, an inspiration.
I have 2 . One was NOS when I got it. They are both mint. I would sell one, but I won’t be back home till around the middle of August if you would be interested.
A "Boathouse Repair" is one that done without having tools or the skills to do it properly.
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