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14 hours ago, fisherdude said:

Might be a rev limiter in the Suzuki motor you have to look in the manual or shop manual

Sent from my SM-A102U using Lake Ontario United mobile app
 

I’m looking into the rev limiters and the throttle position sensor. It’s a pain. Everything I try I have to drive the boat 20 miles to the lake to try things

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Perhaps you should have just paid up to get 20hp. 

Now you need to deal with all the aggravation.

How much did you really save ?

If they made it an easy conversion, everyone would do it.

Sometimes you get what you pay for.

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  • 2 weeks later...
On 3/3/2021 at 9:38 AM, Flygaff said:

I have received the motor and started everything to get it mounted. I have all the parts to convert to a 20 HP. I plan on doing a 20 hour break in before swapping the parts over. I'm hoping to get 20-24 mph with the upgraded engin and a 9.25 x 11 inch prop

OK I did the break in and swapped the prop to the 9.25 x 11. It did not work out very well. 4500 rpm and 8.5 knots. I ordered the 9.25 x 9 and will try it out next week

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34 minutes ago, Flygaff said:

OK I did the break in and swapped the prop to the 9.25 x 11. It did not work out very well. 4500 rpm and 8.5 knots. I ordered the 9.25 x 9 and will try it out next week

I have a 9.9 on an 18’ Duckworth and get 6.2 mph so you’re doing well at nearly 10mph. I don’t have it hooked up to a tac so I don’t know the rpms but it’s full throttle.

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26 minutes ago, swnoel said:

I have a 9.9 on an 18’ Duckworth and get 6.2 mph so you’re doing well at nearly 10mph. I don’t have it hooked up to a tac so I don’t know the rpms but it’s full throttle.

I thought I would get to 18-20. Now with the correct prop I’m hopeful I will see 12-14

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You can get a small digital tach/hourmeter online for about $10.
Stick it on the front of the motor. Battery powered and is triggered by induction from one of the spark plug wires. Simply wrap the pickup wire around the outside of the spark plug wire a few times. Also monitors hours for oil change, etc. Used on ATV's, outboards, etc

I have a 9.9 on an 18’ Duckworth and get 6.2 mph so you’re doing well at nearly 10mph. I don’t have it hooked up to a tac so I don’t know the rpms but it’s full throttle.


Sent from my SM-J737V using Lake Ontario United mobile app

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